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  • You need to also tell about TC/IP hosts given in the page no 5 of CG
  • You need to also tell about Terminal Emulator program given in the page no 6 of CG.
  • You need to tell about User Name and Password Authentication given in the page no 7 of the CG
  • You need to give explanation how segmentation improves network performance as given in the page no 16 of CG
  • You need to tell that the terms “ hierarchical network” and “host-based network” can also be used to describe centralized networks. You need to also tell about Host Computers as given in page no 119 of CG
  • You need to tell about the mixed mode networks uses as given in page no 21 of the CG
  • Talk about LAN administrative duties
  • Talk about WAN administrative duties
  • Talk about WAN administrative duties
  • Talk about WAN administrative duties
  • Talk about WAN administrative duties
  • Talk about WAN administrative duties
  • Talk about WAN administrative duties
  • Talk about WAN administrative duties
  • Talk about WAN administrative duties
  • Talk about WAN administrative duties
  • Talk about WAN administrative duties

Transcript

  • 1. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Objectives In this session, you will learn to: Define common terms used in computer networking. Identify the primary building blocks used to construct networks. List the standard networking models. List the primary network topologies. List the primary categories of networks. Ver. 1.0 Session 1 Slide 1 of 45
  • 2. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Networking Terminology Some of the common terminologies that are used in computer networking are: Networks Server Client Peers Host computers Terminals Authentication Encryption Network Directories Networking Standards Standards organizations Ver. 1.0 Session 1 Slide 2 of 45
  • 3. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Networks • A computer network is a group of computers that are connected together to communicate and share resources such as files, printers, and email. Ver. 1.0 Session 1 Slide 3 of 45
  • 4. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Servers • A server is a network computer that shares resources with and responds to requests form other network computers, including other servers. General Purpose Dedicated Server Server Ver. 1.0 Session 1 Slide 4 of 45
  • 5. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Clients • A client is a network computer that utilizes the resources of other network computers including other clients. Processor, memory, storage Client 2 Client 1 Server Ver. 1.0 Session 1 Slide 5 of 45
  • 6. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Peers • A peer is a self-sufficient computer that acts as both a server and a client to other similar computers on the network. Peer Peer Client and server Client and server Client and server Peer Ver. 1.0 Session 1 Slide 6 of 45
  • 7. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Host Computers • A host computer is a powerful, centralized computer system, such as a mainframe computer, that performs data storage and processing tasks on behalf of clients and other network devices. Processing and Storage storage Network devices Ver. 1.0 Session 1 Slide 7 of 45
  • 8. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Terminals • A terminal is a specialized network device on a host-based network that transmits the data entered by the user to host for processing and displays the results. No processor and no memory Terminal Client Ver. 1.0 Session 1 Slide 8 of 45
  • 9. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Authentication • Authentication is a network security measure in which a computer user or some other network component proves its identity in order to gain access to network resources. • The possible authentication method is: User Name and Password Authentication Who I am How do I know? User name & password Approved Ver. 1.0 Session 1 Slide 9 of 45
  • 10. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Encryption • Encryption is a network security measure in which information is encoded or scrambled prior to transmission so that it cannot be read unless the recipient knows the decoding mechanism, or key. Client Server Ox12j Data Encrypted data Decrypted data Ver. 1.0 Session 1 Slide 10 of 45
  • 11. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Network Directories • A network directory, or directory service, is a centralized database that includes objects such as servers, clients, computers, usernames, and passwords. Authentication Centralized administration Ver. 1.0 Session 1 Slide 11 of 45
  • 12. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Networking Standards • A networking standard is a set of specifications, guidelines, or characteristics applied to network components to ensure interoperability and consistency between them. • Formalization of standards is done by International Organization for Standardization. Ver. 1.0 Session 1 Slide 12 of 45
  • 13. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Standards Organizations Some of the standards bodies that issue standards are: International Organization for Standardization (ISO) Institute of Electrical and Electronics Engineers (IEEE) American National Standards Institute (ANSI) Telecommunications Industry Association (TIA) Electronic Industries Alliance (EIA) Internet Engineering Task Force (IETF) Ver. 1.0 Session 1 Slide 13 of 45
  • 14. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Activity 1-1 Activity on Logging On to Windows server 2003 Ver. 1.0 Session 1 Slide 14 of 45
  • 15. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Network Building Blocks The building blocks that are used to construct network are: Nodes The Network backbone Segments Subnets Ver. 1.0 Session 1 Slide 15 of 45
  • 16. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Nodes • A node is any network device that can connect to the network and can generate, process, or transfer network data. • Network nodes can be either: Endpoints: Nodes that function as the source or the destination of data Redistribution points: Nodes that are devices used to transfer data, such as a network hub or router Ver. 1.0 Session 1 Slide 16 of 45
  • 17. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using The Network Backbone • The network backbone is the highest-speed transmission path that carries the majority of the network data. Backbone Ver. 1.0 Session 1 Slide 17 of 45
  • 18. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Segments • A segment is any discrete physical subdivision of a network. • A segment is bounded by physical internetworking devices such as hubs, switches, and routers. • Dividing a network into segments can make network performance more efficient. Segment Ver. 1.0 Session 1 Slide 18 of 45
  • 19. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Subnets • A subnet is a portion of a network that shares a common network address. Subnet 1 Subnet 2 Network Ver. 1.0 Session 1 Slide 19 of 45
  • 20. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Standard Network Models • A network model is a design specification for how the nodes on a network interact and communicate. • The standard networking models currently in use are: Centralized Computing Networks Client/Server Networks Peer-to-Peer Networks Peer-to-peer Centralized Client/server model model model Ver. 1.0 Session 1 Slide 20 of 45
  • 21. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Centralized Computing Networks • A centralized network is a network in which a central host controls all network communication and performs data processing and storage on behalf of clients. Host Communication Processing Storage User User Ver. 1.0 Session 1 Slide 21 of 45
  • 22. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Client/Server Networks • A client/server network is a network in which servers provides services to clients. Client 1 Client 2 Processing power Management services Administrative functions Server Ver. 1.0 Session 1 Slide 22 of 45
  • 23. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Peer-to-Peer Networks • A peer-to-peer network is a network in which resource sharing, processing, and communications control are completely decentralized. • A peer-to-peer network is often referred to as a workgroup. Resources Processing Communication Resources Resources Processing Processing Communication Communication Ver. 1.0 Session 1 Slide 23 of 45
  • 24. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Mixed Mode Networks • A mixed mode network is a network that incorporates elements from more than one of the three standard network models. Server Peer/Client Host Peer/Client Ver. 1.0 Session 1 Slide 24 of 45
  • 25. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Network Topologies • A network topology is a network specification that determines the network’s overall layout and the network’s data flow patterns. Physical • The primary network topologies are: Physical Bus Topology Physical Star Topology Physical Ring Topology Physical Mesh Topology Hybrid Topology Logical Bus Topology Logical Ring Topology Logical Logical Star Topology Ver. 1.0 Session 1 Slide 25 of 45
  • 26. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Physical Bus Topology • A physical bus topology is a physical topology in which network nodes are arranged in a linear format, with each node connected directly to the network cable with a T- connector or tap. Terminator T-connector T-connector T-connector Terminator Ver. 1.0 Session 1 Slide 26 of 45
  • 27. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Physical Star Topology • A physical star topology is a network topology that uses a central connectivity device, such as a hub, with separate connections to each node. Hub Node Ver. 1.0 Session 1 Slide 27 of 45
  • 28. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Physical Ring Topology • A physical ring topology is a network topology in which all network nodes are connected in a continuous circle. Ver. 1.0 Session 1 Slide 28 of 45
  • 29. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Physical Mesh Topology • A physical mesh topology is a network topology in which each node has a direct connection to every other node. Ver. 1.0 Session 1 Slide 29 of 45
  • 30. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Hybrid Topology • A hybrid topology is any topology that exhibits characteristics of more than one standard physical topology. Ver. 1.0 Session 1 Slide 30 of 45
  • 31. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Logical Bus Topology A logical bus topology is a network topology in which all nodes see the network signal at the same time, regardless of the physical wiring layout of the network. Receiver Receiver Sender Receiver Ver. 1.0 Session 1 Slide 31 of 45
  • 32. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Logical Ring Topology • A logical ring topology is a network topology in which each node receives data only from its upstream neighbor and retransmits it only to its downstream neighbor, regardless of the physical layout of the network. Ver. 1.0 Session 1 Slide 32 of 45
  • 33. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Logical Star Topology • A logical star topology is a network topology in which all the nodes might be wired onto the same bus cable, but a central device polls each node to see if it needs to transmit data. Polls nodes and controls access Ver. 1.0 Session 1 Slide 33 of 45
  • 34. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Network Categories The primary categories that describe a network’s size and extent are: Local Area Networks (LAN) Wide Area Networks (WAN) Metropolitan, Campus, and Other Network Coverage Areas The Internet Intranets Extranets Enterprise Networks Ver. 1.0 Session 1 Slide 34 of 45
  • 35. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Local Area Networks (LAN) • A local area network is a self-contained network that spans a small area, such as a single building, floor, or room. LAN 2 room LAN 1 floor Ver. 1.0 Session 1 Slide 35 of 45
  • 36. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Wide Area Networks (WAN) • A wide area network is a network that spans multiple geographic locations. Ver. 1.0 Session 1 Slide 36 of 45
  • 37. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Metropolitan, Campus, and Other Network Coverage Areas • A metropolitan area network (MAN), which covers an area equivalent to a city or other municipality. • A campus area network (CAN), which covers an area equivalent to an academic campus or business park. • A global area network (GAN), which is any worldwide network. Ver. 1.0 Session 1 Slide 37 of 45
  • 38. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using The Internet • The Internet is the single largest global WAN, linking virtually every country, continent, and organization in the world. • Internet standards and practices are overseen by an international consortium that is coordinated by the Internet Society (ISOC). Ver. 1.0 Session 1 Slide 38 of 45
  • 39. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Intranets • An intranet is a private network that employs Internet-style technologies. Employee handbook Ver. 1.0 Session 1 Slide 39 of 45
  • 40. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Extranets • An extranet is a private network that employs Internet-style technologies to enable communications between two or more separate companies or organizations. Company A Company C Company B Ver. 1.0 Session 1 Slide 40 of 45
  • 41. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Enterprise Networks • An enterprise network is a network that encompasses all the separate network components employed by a particular organization. Organization LAN WAN Internet WAN Network technologies LAN Ver. 1.0 Session 1 Slide 41 of 45
  • 42. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Summary • In this session, you learned that: The common terminologies that are used in computer networking are: Networks Servers Clients Peers Host computers Terminals Authentication Encryption Network Directories Networking Standards Standards Organizations Ver. 1.0 Session 1 Slide 42 of 45
  • 43. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Summary (Contd.) • Some of the Standard Organizations are: • International Organization for Standardization (ISO) • Institute of Electrical and Electronics Engineers (IEEE) • American National Standards Institute (ANSI) • Telecommunications Industry Association (TIA) • Electronic Industries Alliance (EIA) • Internet Engineering Task Force (IETF) • The building blocks that are used to construct network are: Nodes The Network backbone Segments Subnets Ver. 1.0 Session 1 Slide 43 of 45
  • 44. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Summary (Contd.) The standard networking models currently in use are: • Centralized Computing Networks • Client/Server Networks • Peer- to-Peer Networks • Mixed Mode Networks • The primary network topologies are: • Physical Bus Topology • Physical Star Topology • Physical Ring Topology • Physical Mesh Topology • Hybrid Topology • Logical Bus Topology • Logical Ring Topology • Logical Star Topology Ver. 1.0 Session 1 Slide 44 of 45
  • 45. CompTIA N+ Certification: Network Theory Attended Installation Installing Windows XP Professional Using Summary (Contd.) The primary categories that describe a network’s size and extent are: Local Area Networks (LAN) Wide Area Networks (WAN) Metropolitan, Campus, and Other Network Coverage Areas The Internet Intranets Extranets Enterprise Networks Ver. 1.0 Session 1 Slide 45 of 45