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CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Objectives


                  In this session, you will learn to:
                     Identify fundamental concepts of computer networks.
                     Identify network communications technologies.
                     Identify network connectivity technologies.
                     Identify Internet technologies.




       Ver. 1.0                      Session 10                            Slide 1 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Network concepts


                  For learning networking concepts, you need to understand
                  the following:
                     Networks
                     Network models
                     Network interface card characteristics
                     Twisted pair cables
                     RJ-45 twisted pair connectors
                     Coaxial cables
                     Coaxial cable and connector types
                     Fiber optic cables
                     Fiber optic connectors
                     Other network connection types




       Ver. 1.0                     Session 10                      Slide 2 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Networks


                  A network:
                     Group of computers
                     Share resources
                  A network includes:
                     Network media
                     Network adapter
                     Network operating system
                     Network protocol




       Ver. 1.0                   Session 10                      Slide 3 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Network Models


                  •      Network models:
                            Centralized
                            Client-server
                            Peer-to-peer




           Centralized                         Client-server   Peer-to-peer


       Ver. 1.0                             Session 10                        Slide 4 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Network Interface Card Characteristics


                  Network interface card characteristics:
                      Network connection port
                      Physical network address              Physical Address


                      Status indicator lights



                                              Port




                                          Status Lights




       Ver. 1.0                     Session 10                                 Slide 5 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Twisted Pair Cables


                  •   The twisted pair is a type of cable in which multiple
                      insulated conductors are twisted around each other in pairs
                      and clad in a protective and insulating outer jacket.
                  •   Types:
                          Unshielded Twisted Pair (UTP)
                          Shielded Twisted Pair (STP)


                                 Insulated jacket

                                                                                      Multiple pairs of
                                                                                       conductors




                                                             Wires twisted together



       Ver. 1.0                                Session 10                               Slide 6 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 RJ-45 Twisted Pair Connectors


                  The RJ-45 connector is used on twisted pair cable.



                                                            Eight pins




                                                                 1 W/Green
                                                                                        P3
                                                                 2 Green
                                                                 3 W/Orange
                                                                 4 Blue
                                                                                        P1     P2
                                                                 5 W/Blue
                                                                 6 Orange
                                                                 7 W/Brown
                                                                                        P4
                                                                 8 Brown



                                                                         Four pairs of wires




       Ver. 1.0                    Session 10                                   Slide 7 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Coaxial Cables


                  •   The coaxial cables, or coax, is a type of copper cable that
                      features a central conductor surrounded by braided or foil
                      shielding.

                                                                 Non-conductive
                                            Braided shielding   insulated coating




                                                                                    Single copper
                                                                                      conductor




       Ver. 1.0                        Session 10                                       Slide 8 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Coaxial Cable and Connector Types


                  Coaxial cable type:
                        5 mm/0.25 inch (“Thinnnet”)
                        10 mm/0.5 inch (“Thicknet”)
                  Connector types:
                        BNC connector
                        T-connector




                  BNC connector on thin                T-connector   50-ohm resistor on T-
                       net cable                                          connector




       Ver. 1.0                           Session 10                                Slide 9 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Fiber Optic Cables


                  •   The fiber optic cable is a type of network cable in which
                      the core is one or more glass or plastic strands.
                  •   Fiber optic cable mode types:
                          Single-mode fiber
                          Step index multimode fiber
                          Graded index multimode fiber
                              Outer jacket                   Silica cladding




                                              Inner jacket                     Glass or plastic core




       Ver. 1.0                              Session 10                                            Slide 10 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Fiber Optic Connectors


                  Fiber Optic Connectors are:




                             ST                    SC        FC




                            FDDI                Mini-BNC   Biconic




                             LC                  SMA       MT-RJ



       Ver. 1.0                    Session 10                        Slide 11 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Other Network Connection Types


                  •   Other network connection types:
                         USB
                         Firewire
                         RS-232
                         Wireless


                                                                  Firewire
                        USB




                        RS-232                                    Wireless




       Ver. 1.0                       Session 10                     Slide 12 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Activity 10-2




                         Activity on Identifying the
                         Local MAC Address




       Ver. 1.0                 Session 10                        Slide 13 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Network Communications


                  For learning network communication, you need to
                  understand following:
                     Network protocols
                     Network addresses
                     The TCP/IP protocol
                     IP addresses
                     Subnet masks
                     IP address classes
                     The IPX/SPX and NWLink protocols
                     NetBIOS
                     NetBEUI
                     Network bandwidth
                     Full and half duplex communications



       Ver. 1.0                    Session 10                       Slide 14 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Network Protocols


                  •   A network protocol is software that provides the rules to
                      conduct network operations.

                                            Common network protocol




                                               Formats packet data

       Ver. 1.0                        Session 10                         Slide 15 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Network Addresses


                  •   A network address is an numeric identification code
                      assigned to a network computer according network
                      protocol.
                  •   Network address consist:
                      Network portion
                      Node portion                    X.X.150.2



                                                                                  X.X.150.3




                                                             192.168.X.X




                                Network portion of address = Street name
                                Node portion of address = House number
                                Complete address = Street name and house number


       Ver. 1.0                              Session 10                                       Slide 16 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 The TCP/IP Protocol


                  Transmission Control Protocol/Internet Protocol (TCP/IP):
                  A nonproprietary, routable network protocol
                  Helps computers to communicate over all types of networks




                                                                 TCP/IP



       Ver. 1.0                     Session 10                            Slide 17 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 IP Addresses


                  •   An IP address is a 32-bit binary number assigned to a
                      computer on a TCP/IP network.
                  •   An IP address consists:
                         Network segment
                         Node segment


                                        Network Segment    Node Segment




                           Binary   11010000.01111011.00101101.00010010


                         Decimal
                                    208.123.45.18




       Ver. 1.0                         Session 10                        Slide 18 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Subnet Masks


                  •   A subnet mask is a 32-bit number assigned to each
                      system.
                  •   Subnet mask divide the 32-bit binary IP address into: and
                      node portions.
                          Network portion
                          Node portion


                          IP address
                                        139.87.140.76
                                                          Removes the node portion of the IP
                          Subnet mask
                                        255.255.255.0                 address



                          Network ID
                                        139.87.140.0




       Ver. 1.0                           Session 10                                           Slide 19 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 IP Address Classes


                  The IP address classes:

        Address Class   Range               Default Subnet Mask   Networks/Nodes

                        1.0.0.0 to                                126 networks of up to 16,777,214
        Class A                             255.0.0.0
                        127.255.255.255                           nodes each
                        128.0.0.0 to                              16,382 networks of up to 65,534
        Class B                             255.255.0.0
                        191.255. 255.255                          nodes each
                        192.0.0.0 to                              2,097,150 networks of up to 254
        Class C                             255.255.255.0
                        223.255.255 .255                          nodes each
                        224.0.0.0 to                              All members of the multicast
        Class D                             None
                        239.255.255.255                           session share the same IP address
                        240.0.0.0 to                              Strictly for research and
        Class E                             None
                        255.255.255.255                           experimentation purposes




       Ver. 1.0                            Session 10                                    Slide 20 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 The IPX/SPX and NWLink Protocols


                  Internetwork Packet Exchange/Sequenced Packet
                  Exchange (IPX/SPX) is a proprietary, routable network
                  protocol suite.                       NWLink




                                                           Windows
                                                            client




                                     Legacy Novell
                                    NetWare server        IPX/SPX



       Ver. 1.0                    Session 10                        Slide 21 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 NetBIOS


                  Network Basic Input/Output System (NetBIOS) a
                  specification enables applications and services to use
                  different network protocols for network communicate.




                                   NetBIOS



                   Enables network applications and services to                     TCP/IP
                                 communicate



                                                                   Network protocol transmits data




       Ver. 1.0                                       Session 10                                     Slide 22 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 NetBEUI


                  NetBIOS Extended User Interface (NetBEUI) is a legacy
                  protocol found only in Windows Networks.
                                     Client1             Client2
                                00-60-08-cd-34-64   00-60-08-cd-34-52




                     NetBEUI




                                     Server1               Client3
                                00-aa-00-62-c6-09     00-80-5b-a3-8d-a8




       Ver. 1.0                    Session 10                             Slide 23 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Network Bandwidth


                  •   The bandwidth helps measure how much data a network
                      can carry.


                                             High Bandwidth


                                                  100 mbps




                                                  10 mbps



                                             Low Bandwidth




       Ver. 1.0                      Session 10                     Slide 24 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Full and Half Duplex Communications


                  •      The full duplex mode communications permit simultaneous
                         two-way communications.
                  •      The half duplex mode communications permit two-way
                         communications, but in only one direction at a time.




                       Half duplex                                  Full duplex
                  One direction at a time                 Both directions simultaneously




       Ver. 1.0                             Session 10                                     Slide 25 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Activity 10-4




                         Activity on Identifying
                         Local Network
                         Characteristics




       Ver. 1.0                 Session 10                        Slide 26 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Network Connectivity


                  For learning networking connectivity, you need to
                  understand the following:
                      Local Area Networks (LANs)
                      Wide Area Networks (WANs)
                      Ethernet
                      Dial-up Connections
                      Wireless Connections
                      802.11 Wireless Standards
                      Wireless Access Points (WAPs)
                      Bluetooth Communications
                      Infrared Connections
                      Cellular WAN Communications
                      Broadband Communications
                      Types of Broadband Communications

       Ver. 1.0                    Session 10                         Slide 27 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Local Area Networks (LANs)


                  •   A LAN is a network that spans a small area, such as a
                      single building, floor, or room.

                              LAN 1 floor                    LAN 2 floor




       Ver. 1.0                             Session 10                     Slide 28 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Wide Area Networks (WANs)


                  •   A WAN is a network that spans multiple geographic
                      locations.

                                         Long-range transmissions




                       LAN 1                                        LAN 3




                                                   LAN 2

       Ver. 1.0                       Session 10                            Slide 29 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Ethernet


                  •   An Ethernet network is a popular LAN implementation.
                  •   Ethernet network consists of:
                            Adapters
                            Contention-based media access
                            Twisted pair, coax, or fiber media

                                                            Ethernet
                                                            adapter




                                                                               Media
                                                                               types




                                                            Ethernet
                      Contention-based media
                                                            adapter
                              access

       Ver. 1.0                                Session 10              Slide 30 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Dial-up Connections


                  •   The dial-up connections are network connections that use
                      telecommunications media.




                                      Telecommunications media




       Ver. 1.0                       Session 10                       Slide 31 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Wireless Connections


                  •   The wireless connections transmit signals without using
                      physical network media.




                          Infrared                 Satellite      Radio




       Ver. 1.0                       Session 10                          Slide 32 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 802.11 Wireless Standards


                  The 802.11 standard is a family of specifications for wireless
                  LAN technology.
                  802.11 – IEEE working group
                  Important standards within the group:
                   •   802.11
                   •   802.11a
                   •   802.11b (“Wi-Fi”)
                   •   802.11e
                   •   802.11g




       Ver. 1.0                      Session 10                         Slide 33 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Wireless Access Points (WAPs)


                  •   A Wireless Access Point (WAP) a device:
                         Provides connection between wireless devices
                         Enables wireless networks to connect to wired networks




                                                           WAP




       Ver. 1.0                        Session 10                            Slide 34 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Bluetooth Communications


                  Bluetooth is a wireless radio protocol.




                                         30 feet




       Ver. 1.0                     Session 10                    Slide 35 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Infrared Connections


                  Infrared is a form of wireless connection in which signals
                  are sent via pulses of infrared light.




                                            Infrared receiver   Infrared mouse




       Ver. 1.0                    Session 10                                    Slide 36 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Cellular WAN Communications


                  A cellular WAN technology uses cellular radio signals to
                  transmit data over the cellular telephone system.




                       Cell                                     Cell


                                                Cell




       Ver. 1.0                    Session 10                          Slide 37 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Broadband Communications


                  Broadband is a category of network transmission
                  technologies.


                   Multiple channels




       Ver. 1.0                        Session 10                   Slide 38 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Types of Broadband Communications



                                                                        DSL
                     Types of broadband communications are:
                        DSL modem                  Phone company




                                                                       Cable


                       Cable modem
                                               Cable TV provider



                                                                      Satellite




                                                                   ISDN – Legacy

                   ISDN
                                     ISDN switch
                  adapter




       Ver. 1.0                              Session 10             Slide 39 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Internet Technologies


                  For learning internet technologies, you need to understand
                  the following:
                      Internet Service Providers (ISPs)
                      SMTP
                      POP3
                      IMAP4
                      HTML
                      HTTP
                      SSL
                      HTTPS
                      Telnet
                      FTP
                      Voice Over IP (VoIP)



       Ver. 1.0                      Session 10                       Slide 40 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Internet Service Providers (ISPs)


                  •   An Internet Service Provider (ISP) is a company that
                      provides Internet access.




                                Broadband or dial-up    ISP
                                    connection




       Ver. 1.0                            Session 10                   Slide 41 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 SMTP


                   Simple Mail Transfer Protocol (SMTP) sends email
                       Client to server
                       Between server


                            Mail forwarded between servers    Mail from client to server




                     Email server            Email server                                  Email client




        Ver. 1.0                                 Session 10                                Slide 42 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 POP3


                   Post Office Protocol version 3 (POP3):
                           Helps email client to retrieve email from mail server



                                                      Transferred to client when requested

                   Stored in mailbox




                                                                        POP3


                                       Email server                                          Email client




        Ver. 1.0                           Session 10                                                 Slide 43 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 IMAP4


                  Internet Mail Access Protocol version 4 (IMAP4):
                        Helps web browser to retrieve messages from a mail server

                                                                            Client works with mail as
                                                                                     if local
                  Mail managed on
                       server
                                    IMAP4 server             Email client




       Ver. 1.0                             Session 10                                  Slide 44 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 HTML


                             Hyper Text Markup Language (HTML) is the language to
                             create web based documents.
                          <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
                          <html>
                           <head>
     Page                   <title>Simple HTML Page</title>
   structure
                            <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
                           </head>
                           <body>
                            <p>
                              This is the text of the web page.
                                                                           Page content
                            </p>
                           </body>
                          </html>



               Ver. 1.0                           Session 10                                Slide 45 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 HTTP


                   Hypertext Transfer Protocol (HTTP):
                      TCP/IP service
                      Helps clients to connect and interact with websites




                        Web client    Web server




        Ver. 1.0                     Session 10                             Slide 46 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 SSL


                  •      Secure Sockets Layer (SSL):
                                   A security protocol
                                   Combines digital certificates with public-key data encryption
                                   for authentication
                                                Request secure connection



                                               Send certificate and public key




                                                    Negotiate encryption



                      Web client                                                 SSL-enabled web server




       Ver. 1.0                                    Session 10                                             Slide 47 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 HTTPS


                  Hypertext Transfer Protocol Secure (HTTPS) is a secure
                  version of HTTP




                                        SSL




       Ver. 1.0                   Session 10                        Slide 48 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Telnet


                  Telnet:
                      A terminal emulation protocol
                      Helps user to simulate a session on a remote host



                               Telnet daemon

                                                                   C:> telnet 10.1.1.3
                                                                   Password:




       Ver. 1.0                       Session 10                            Slide 49 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 FTP


                  File Transfer Protocol (FTP):
                  Helps upload or download files from an FTP file server



                               FTP daemon                       FTP utility

                                               Transfer files




       Ver. 1.0                       Session 10                              Slide 50 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Voice Over IP (VoIP)


                  Voice over IP (VoIP) is a transmission medium in which
                  voice signals are transmitted over IP data networks.

                                                         Voice signals




                                                  IP network


                      Data signals




       Ver. 1.0                      Session 10                          Slide 51 of 52
CompTIA A+ Certification: A Comprehensive Approach
 Installing Windows XP Professional Using Attended Installation
for all 2006 Exam Objectives
 Summary


                  In this session, you learned that:
                      There are various network related concepts, such as network
                      models and network connection types.
                      Network connections uses different kind of cables and
                      connectors.
                      Network uses network protocols and address for setting up
                      communication between computers.
                      Network connectivity processes uses LAN and WAN concepts.
                      ISPs provides internet technology related supports.




       Ver. 1.0                     Session 10                           Slide 52 of 52

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Comp tia a+_session_10

  • 1. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Objectives In this session, you will learn to: Identify fundamental concepts of computer networks. Identify network communications technologies. Identify network connectivity technologies. Identify Internet technologies. Ver. 1.0 Session 10 Slide 1 of 52
  • 2. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Network concepts For learning networking concepts, you need to understand the following: Networks Network models Network interface card characteristics Twisted pair cables RJ-45 twisted pair connectors Coaxial cables Coaxial cable and connector types Fiber optic cables Fiber optic connectors Other network connection types Ver. 1.0 Session 10 Slide 2 of 52
  • 3. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Networks A network: Group of computers Share resources A network includes: Network media Network adapter Network operating system Network protocol Ver. 1.0 Session 10 Slide 3 of 52
  • 4. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Network Models • Network models: Centralized Client-server Peer-to-peer Centralized Client-server Peer-to-peer Ver. 1.0 Session 10 Slide 4 of 52
  • 5. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Network Interface Card Characteristics Network interface card characteristics: Network connection port Physical network address Physical Address Status indicator lights Port Status Lights Ver. 1.0 Session 10 Slide 5 of 52
  • 6. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Twisted Pair Cables • The twisted pair is a type of cable in which multiple insulated conductors are twisted around each other in pairs and clad in a protective and insulating outer jacket. • Types: Unshielded Twisted Pair (UTP) Shielded Twisted Pair (STP) Insulated jacket Multiple pairs of conductors Wires twisted together Ver. 1.0 Session 10 Slide 6 of 52
  • 7. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives RJ-45 Twisted Pair Connectors The RJ-45 connector is used on twisted pair cable. Eight pins 1 W/Green P3 2 Green 3 W/Orange 4 Blue P1 P2 5 W/Blue 6 Orange 7 W/Brown P4 8 Brown Four pairs of wires Ver. 1.0 Session 10 Slide 7 of 52
  • 8. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Coaxial Cables • The coaxial cables, or coax, is a type of copper cable that features a central conductor surrounded by braided or foil shielding. Non-conductive Braided shielding insulated coating Single copper conductor Ver. 1.0 Session 10 Slide 8 of 52
  • 9. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Coaxial Cable and Connector Types Coaxial cable type: 5 mm/0.25 inch (“Thinnnet”) 10 mm/0.5 inch (“Thicknet”) Connector types: BNC connector T-connector BNC connector on thin T-connector 50-ohm resistor on T- net cable connector Ver. 1.0 Session 10 Slide 9 of 52
  • 10. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Fiber Optic Cables • The fiber optic cable is a type of network cable in which the core is one or more glass or plastic strands. • Fiber optic cable mode types: Single-mode fiber Step index multimode fiber Graded index multimode fiber Outer jacket Silica cladding Inner jacket Glass or plastic core Ver. 1.0 Session 10 Slide 10 of 52
  • 11. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Fiber Optic Connectors Fiber Optic Connectors are: ST SC FC FDDI Mini-BNC Biconic LC SMA MT-RJ Ver. 1.0 Session 10 Slide 11 of 52
  • 12. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Other Network Connection Types • Other network connection types: USB Firewire RS-232 Wireless Firewire USB RS-232 Wireless Ver. 1.0 Session 10 Slide 12 of 52
  • 13. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Activity 10-2 Activity on Identifying the Local MAC Address Ver. 1.0 Session 10 Slide 13 of 52
  • 14. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Network Communications For learning network communication, you need to understand following: Network protocols Network addresses The TCP/IP protocol IP addresses Subnet masks IP address classes The IPX/SPX and NWLink protocols NetBIOS NetBEUI Network bandwidth Full and half duplex communications Ver. 1.0 Session 10 Slide 14 of 52
  • 15. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Network Protocols • A network protocol is software that provides the rules to conduct network operations. Common network protocol Formats packet data Ver. 1.0 Session 10 Slide 15 of 52
  • 16. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Network Addresses • A network address is an numeric identification code assigned to a network computer according network protocol. • Network address consist: Network portion Node portion X.X.150.2 X.X.150.3 192.168.X.X Network portion of address = Street name Node portion of address = House number Complete address = Street name and house number Ver. 1.0 Session 10 Slide 16 of 52
  • 17. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives The TCP/IP Protocol Transmission Control Protocol/Internet Protocol (TCP/IP): A nonproprietary, routable network protocol Helps computers to communicate over all types of networks TCP/IP Ver. 1.0 Session 10 Slide 17 of 52
  • 18. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives IP Addresses • An IP address is a 32-bit binary number assigned to a computer on a TCP/IP network. • An IP address consists: Network segment Node segment Network Segment Node Segment Binary 11010000.01111011.00101101.00010010 Decimal 208.123.45.18 Ver. 1.0 Session 10 Slide 18 of 52
  • 19. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Subnet Masks • A subnet mask is a 32-bit number assigned to each system. • Subnet mask divide the 32-bit binary IP address into: and node portions. Network portion Node portion IP address 139.87.140.76 Removes the node portion of the IP Subnet mask 255.255.255.0 address Network ID 139.87.140.0 Ver. 1.0 Session 10 Slide 19 of 52
  • 20. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives IP Address Classes The IP address classes: Address Class Range Default Subnet Mask Networks/Nodes 1.0.0.0 to 126 networks of up to 16,777,214 Class A 255.0.0.0 127.255.255.255 nodes each 128.0.0.0 to 16,382 networks of up to 65,534 Class B 255.255.0.0 191.255. 255.255 nodes each 192.0.0.0 to 2,097,150 networks of up to 254 Class C 255.255.255.0 223.255.255 .255 nodes each 224.0.0.0 to All members of the multicast Class D None 239.255.255.255 session share the same IP address 240.0.0.0 to Strictly for research and Class E None 255.255.255.255 experimentation purposes Ver. 1.0 Session 10 Slide 20 of 52
  • 21. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives The IPX/SPX and NWLink Protocols Internetwork Packet Exchange/Sequenced Packet Exchange (IPX/SPX) is a proprietary, routable network protocol suite. NWLink Windows client Legacy Novell NetWare server IPX/SPX Ver. 1.0 Session 10 Slide 21 of 52
  • 22. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives NetBIOS Network Basic Input/Output System (NetBIOS) a specification enables applications and services to use different network protocols for network communicate. NetBIOS Enables network applications and services to TCP/IP communicate Network protocol transmits data Ver. 1.0 Session 10 Slide 22 of 52
  • 23. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives NetBEUI NetBIOS Extended User Interface (NetBEUI) is a legacy protocol found only in Windows Networks. Client1 Client2 00-60-08-cd-34-64 00-60-08-cd-34-52 NetBEUI Server1 Client3 00-aa-00-62-c6-09 00-80-5b-a3-8d-a8 Ver. 1.0 Session 10 Slide 23 of 52
  • 24. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Network Bandwidth • The bandwidth helps measure how much data a network can carry. High Bandwidth 100 mbps 10 mbps Low Bandwidth Ver. 1.0 Session 10 Slide 24 of 52
  • 25. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Full and Half Duplex Communications • The full duplex mode communications permit simultaneous two-way communications. • The half duplex mode communications permit two-way communications, but in only one direction at a time. Half duplex Full duplex One direction at a time Both directions simultaneously Ver. 1.0 Session 10 Slide 25 of 52
  • 26. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Activity 10-4 Activity on Identifying Local Network Characteristics Ver. 1.0 Session 10 Slide 26 of 52
  • 27. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Network Connectivity For learning networking connectivity, you need to understand the following: Local Area Networks (LANs) Wide Area Networks (WANs) Ethernet Dial-up Connections Wireless Connections 802.11 Wireless Standards Wireless Access Points (WAPs) Bluetooth Communications Infrared Connections Cellular WAN Communications Broadband Communications Types of Broadband Communications Ver. 1.0 Session 10 Slide 27 of 52
  • 28. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Local Area Networks (LANs) • A LAN is a network that spans a small area, such as a single building, floor, or room. LAN 1 floor LAN 2 floor Ver. 1.0 Session 10 Slide 28 of 52
  • 29. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Wide Area Networks (WANs) • A WAN is a network that spans multiple geographic locations. Long-range transmissions LAN 1 LAN 3 LAN 2 Ver. 1.0 Session 10 Slide 29 of 52
  • 30. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Ethernet • An Ethernet network is a popular LAN implementation. • Ethernet network consists of: Adapters Contention-based media access Twisted pair, coax, or fiber media Ethernet adapter Media types Ethernet Contention-based media adapter access Ver. 1.0 Session 10 Slide 30 of 52
  • 31. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Dial-up Connections • The dial-up connections are network connections that use telecommunications media. Telecommunications media Ver. 1.0 Session 10 Slide 31 of 52
  • 32. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Wireless Connections • The wireless connections transmit signals without using physical network media. Infrared Satellite Radio Ver. 1.0 Session 10 Slide 32 of 52
  • 33. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives 802.11 Wireless Standards The 802.11 standard is a family of specifications for wireless LAN technology. 802.11 – IEEE working group Important standards within the group: • 802.11 • 802.11a • 802.11b (“Wi-Fi”) • 802.11e • 802.11g Ver. 1.0 Session 10 Slide 33 of 52
  • 34. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Wireless Access Points (WAPs) • A Wireless Access Point (WAP) a device: Provides connection between wireless devices Enables wireless networks to connect to wired networks WAP Ver. 1.0 Session 10 Slide 34 of 52
  • 35. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Bluetooth Communications Bluetooth is a wireless radio protocol. 30 feet Ver. 1.0 Session 10 Slide 35 of 52
  • 36. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Infrared Connections Infrared is a form of wireless connection in which signals are sent via pulses of infrared light. Infrared receiver Infrared mouse Ver. 1.0 Session 10 Slide 36 of 52
  • 37. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Cellular WAN Communications A cellular WAN technology uses cellular radio signals to transmit data over the cellular telephone system. Cell Cell Cell Ver. 1.0 Session 10 Slide 37 of 52
  • 38. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Broadband Communications Broadband is a category of network transmission technologies. Multiple channels Ver. 1.0 Session 10 Slide 38 of 52
  • 39. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Types of Broadband Communications DSL Types of broadband communications are: DSL modem Phone company Cable Cable modem Cable TV provider Satellite ISDN – Legacy ISDN ISDN switch adapter Ver. 1.0 Session 10 Slide 39 of 52
  • 40. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Internet Technologies For learning internet technologies, you need to understand the following: Internet Service Providers (ISPs) SMTP POP3 IMAP4 HTML HTTP SSL HTTPS Telnet FTP Voice Over IP (VoIP) Ver. 1.0 Session 10 Slide 40 of 52
  • 41. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Internet Service Providers (ISPs) • An Internet Service Provider (ISP) is a company that provides Internet access. Broadband or dial-up ISP connection Ver. 1.0 Session 10 Slide 41 of 52
  • 42. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives SMTP Simple Mail Transfer Protocol (SMTP) sends email Client to server Between server Mail forwarded between servers Mail from client to server Email server Email server Email client Ver. 1.0 Session 10 Slide 42 of 52
  • 43. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives POP3 Post Office Protocol version 3 (POP3): Helps email client to retrieve email from mail server Transferred to client when requested Stored in mailbox POP3 Email server Email client Ver. 1.0 Session 10 Slide 43 of 52
  • 44. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives IMAP4 Internet Mail Access Protocol version 4 (IMAP4): Helps web browser to retrieve messages from a mail server Client works with mail as if local Mail managed on server IMAP4 server Email client Ver. 1.0 Session 10 Slide 44 of 52
  • 45. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives HTML Hyper Text Markup Language (HTML) is the language to create web based documents. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> Page <title>Simple HTML Page</title> structure <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> </head> <body> <p> This is the text of the web page. Page content </p> </body> </html> Ver. 1.0 Session 10 Slide 45 of 52
  • 46. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives HTTP Hypertext Transfer Protocol (HTTP): TCP/IP service Helps clients to connect and interact with websites Web client Web server Ver. 1.0 Session 10 Slide 46 of 52
  • 47. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives SSL • Secure Sockets Layer (SSL): A security protocol Combines digital certificates with public-key data encryption for authentication Request secure connection Send certificate and public key Negotiate encryption Web client SSL-enabled web server Ver. 1.0 Session 10 Slide 47 of 52
  • 48. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives HTTPS Hypertext Transfer Protocol Secure (HTTPS) is a secure version of HTTP SSL Ver. 1.0 Session 10 Slide 48 of 52
  • 49. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Telnet Telnet: A terminal emulation protocol Helps user to simulate a session on a remote host Telnet daemon C:> telnet 10.1.1.3 Password: Ver. 1.0 Session 10 Slide 49 of 52
  • 50. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives FTP File Transfer Protocol (FTP): Helps upload or download files from an FTP file server FTP daemon FTP utility Transfer files Ver. 1.0 Session 10 Slide 50 of 52
  • 51. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Voice Over IP (VoIP) Voice over IP (VoIP) is a transmission medium in which voice signals are transmitted over IP data networks. Voice signals IP network Data signals Ver. 1.0 Session 10 Slide 51 of 52
  • 52. CompTIA A+ Certification: A Comprehensive Approach Installing Windows XP Professional Using Attended Installation for all 2006 Exam Objectives Summary In this session, you learned that: There are various network related concepts, such as network models and network connection types. Network connections uses different kind of cables and connectors. Network uses network protocols and address for setting up communication between computers. Network connectivity processes uses LAN and WAN concepts. ISPs provides internet technology related supports. Ver. 1.0 Session 10 Slide 52 of 52

Editor's Notes

  1. Information about the OSI network model would not available in the Student Guide, but you need to tell students in brief that OSI model provides various layers to establish network between computers. Following are the seven network layers of OSI network model: Physical layer : Helps convert bit stream in to different signals, such as electric and light. Data link layer : Helps encode and decode data packets into bits. Network layer : Helps creating logical path for data transfer using techniques, such as switching and routing. Transport layer : Helps transport data between end-systems. Session layer : Helps establish, manage, and terminate connection between applications. Presentation layer : Helps represent data in network format. Application layer : Helps process application for end-users.
  2. Information about the other network coverage areas can also be discussed here. Following are the various network coverage areas: A Personal Area Network (PAN): which is a network of devices used by a single individual, such as a user’s cellular phone with a wireless hands-free handset. A Campus Area Network (CAN): which covers an area equivalent to an academic campus or business park. A CAN is typically owned or used exclusively by one company, school, or organization. A Metropolitan Area Network (MAN): which covers an area equivalent to a city or other municipality. A Global Area Network (GAN): which is any worldwide network.