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  • You need to tell the password complexity requirements as given in page no. 377 of CG.
  • You need to tell about: 1.The comparison between SLIP and PPP as given in page no 434 and 435 of CG. 2.PPPoE and EAP as given in page no. 435 of CG.
  • You need to tell about IEEE 802.1x and EAP Implementation in Windows as given in page no. 380 in CG.
  • You need to tell about MS-CHAP and MS-CHAPv2 as given in page no. 437 of CG.
  • You need to tell on RSA as given in page no 391 of CG.
  • A proxy server combines NAT, firewall, and caching functionality.
  • You need to tell about Hot, Warm, and Cold Sites; Hot and Cold Spares as given in page no 459 of CG
  • You need to tell about the back up policy considerations as given in page no 464 of CG.
  • You need to tell about Snapshot backups and offline files as shown in page no 471 of CG.
  • You need to tell the comparison between online and offline UPSs as given in page no 479 of CG.
  • You need to tell about partition limits in windows systems as given in page no. 480 of CG.
  • To be modified
  • To be modified
  • To be modified
  • To be modified

Comp tia n+_session_10 Comp tia n+_session_10 Presentation Transcript

  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Objectives In this session, you will learn to: Identify the components of remote access networking implementations. Identify the major components of a VPN implementation. Identify the components of a disaster recovery plan. Identify the primary tools and technologies used to back up and recover data. Identify tools and technologies used to implement fault tolerance. Ver. 1.0 Session 10 Slide 1 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Remote Access Networking Implementations Remote access networking is a popular remote networking architecture The components and the processes commonly found in remote access networking implementations are: Remote Access Protocols Serial Line Internet Protocol (SLIP) Point-to-Point Protocol (PPP) The Remote Access Authentication Process Password Authentication Protocol (PAP) Challenge Handshake Authentication Protocol (CHAP) The CHAP Process Remote Authentication Dial-In User Service (RADIUS) Ver. 1.0 Session 10 Slide 2 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Remote Access Protocols • A remote access protocol is a type of protocol that enables users to log on to a computer or network within an organization from an external location. • Remote access protocols provide: Direct dial-in connections via modems Connections via ISPs and the Internet Client configured for Server configured to direct dial-up access receive dial-up connections Ver. 1.0 Session 10 Slide 3 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Serial Line Internet Protocol (SLIP) • SLIP is a legacy remote access protocol. • SLIP is used for sending IP byte streams over serial lines such as modem/phone connections. • In SLIP transmission, both ends of communication channel need to convert data to and from IP datagrams. • SLIP is also referred to as packet-framing protocol. Ver. 1.0 Session 10 Slide 4 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Point-to-Point Protocol (PPP) • PPP is an Internet standard for sending IP datagram over serial point-to-point link. • PPP is used in synchronous and asynchronous connections. • PPP supports the use of NetBEUI, IP, IPX, and AppleTalk network protocols. • PPP server needs to be configured to provide PPP services. Ver. 1.0 Session 10 Slide 5 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation The Remote Access Authentication Process There are several steps that must occur to authenticate a remote dial-up connection, as shown in the following figure: Remote user Remote client dials a Remote server 1 initiates 2 remote access server 3 answers the call a dial-up session Request for client authentication, and 4 agreement to send Connection established; authentication credentials requested, received, and 5 accepted Ver. 1.0 Session 10 Slide 6 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Password Authentication Protocol (PAP) • PAP is an authentication method that sends client IDs and passwords as cleartext. Client identifies itself Server requests verification Client provides password • Shiva Password Authentication Protocol (SPAP) enables remote connections between Windows and Shiva machines. Ver. 1.0 Session 10 Slide 7 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended InstallationChallenge Handshake Authentication Protocol (CHAP) • CHAP is an encrypted authentication method that enables connections from any encrypted authentication method that the server requests. Logon requested Challenge Response Remote client Remote access server Logon accepted Ver. 1.0 Session 10 Slide 8 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation The CHAP Process In the challenge-response authentication process, the password is never sent across the network, as shown in the following figure: Remote client requests 1 connection Remote server sends a 2 random value as a challenge Client encrypts challenge with its 3 password and sends the result Server verifies response and 4 allows access to resources Ver. 1.0 Session 10 Slide 9 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Remote Authentication Dial-In User Service (RADIUS) • RADIUS provides standardized, centralized authentication of remote users. Dial-up servers receive requests Remote clients and connect pass credentials to RADIUS to dial-up servers server RADIUS server accepts and processes all authentication requests RADIUS server Dial-up servers Remote clients configured as RADIUS clients • In Windows, RADIUS implementation is accomplished through the Internet Authentication Service. Ver. 1.0 Session 10 Slide 10 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Activity 12-2 Activity on Implementing a Remote Access Solution Ver. 1.0 Session 10 Slide 11 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Tunneling • Tunneling is a data-transport technique in which a data packet from the passenger protocol, is transferred inside the frame or packet of the carrier protocol. • Tunnel types are: Carrier Voluntary protocol (IP) moves IP data the data Compulsory unencaps ulated Passenger protocol enters the Passenger network protocol leaves the network ISP IP data encapsulated Ver. 1.0 Session 10 Slide 12 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation VPNs • A virtual private network (VPN) is a private network that is configured by tunneling through a public network such as the Internet. VPN endpoint VPN endpoint VPN endpoint Private network Private network Public network VPN endpoint VPN endpoint Private network Ver. 1.0 Session 10 Slide 13 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation VPNs (Contd.) • VPN protocols provide the VPN tunneling, security, and data encryption services. Tunneling protocols Encryption protocols secure the path secure the data T-I CSU/DSU VPN server ISP Encryption protocols secure the data Ver. 1.0 Session 10 Slide 14 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Activity 12-3 Activity on Investigating VPNs Ver. 1.0 Session 10 Slide 15 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Point-to-Point Tunneling Protocol (PPTP) PPTP is a Microsoft VPN protocol that increases the security of PPP by providing tunneling and data encryption for PPP packets. PPTP is the most widely supported VPN method among older Window clients. PPTP encapsulates any time of network protocol and transports it over IP networks. Ver. 1.0 Session 10 Slide 16 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Layer Two Tunneling Protocol (L2TP) • L2TP is an Internet-standard protocol for tunneling PPP sessions across a variety of network protocols, such as IP, frame relay, or ATM. • L2TP is designed to provide tunneling and security interoperability for client-to-gateway and gateway-to- gateway connection. Ver. 1.0 Session 10 Slide 17 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation VPN Data Encryption VPN data encryption is accomplished by: MPPE that has the following features: • Is used with PPTP • Provides strong and standard data encryption • Requires the use of MS-CHAP, MS-CHAPv2, or EAP remote authentication IPSec that has the following features: • Is used with L2TP • Provides DES or 3DES data encryption to provide data confidentiality Ver. 1.0 Session 10 Slide 18 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation VPN Types • VPNs can be one of three types: Access VPN Intranet VPN Extranet VPN VPN on the basis of implementation can be classified into: Hardware-based Firewall-based Software-based Ver. 1.0 Session 10 Slide 19 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Disasters and Disaster Recovery • A disaster is a catastrophic loss of system functioning due to a cause that cannot reasonably be prevented. • Disaster recovery is the administrative function of protecting people and resources while bringing a failed network or system back online as quickly as possible. Administrator Protect Restore Disaster Recovery Ver. 1.0 Session 10 Slide 20 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Disaster Categories Disasters that can affect network functioning fall into one of three main categories, such as: Natural disaster Data disaster Equipment disaster Natural disaster Data destruction Equipment failure Ver. 1.0 Session 10 Slide 21 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Disaster Recovery Plans • A disaster recovery plan is a policy and set of procedures that documents: How people and resources will be protected in case of disaster. How the organization will recover from the disaster and restore normal functioning. Components that are included in the disaster recovery plan are shown in the following figure: Network reconstruction plan Responsible individuals Hardware and software inventory Ver. 1.0 Session 10 Slide 22 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Responsible Individuals • Individuals responsible for various elements of the network is documented as a contact list that speeds the disaster recovery process, such as: Network administrators Office managers Security officials Vendors Service providers and contractors Manufacturers Past IT personnel Ver. 1.0 Session 10 Slide 23 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Critical Hardware and Software Inventory Hardware and software inventory provides insurance documentation and helps determine what is required to rebuild the network, such as: Hardware inventory: • Standard and specialty workstation • Basic and specialty server • Connectivity hardware • Backup hardware Software inventory: Operating system software Productivity and application software Maintenance utilities Backup documentation Overall corporate inventory Ver. 1.0 Session 10 Slide 24 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation The Network Reconstruction Plan The network reconstruction plan provides all the steps needed to bring the network back online, even if the original administrators are unavailable, such as: Network diagram Fall-back plan Data restoration plan Ver. 1.0 Session 10 Slide 25 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Data Backup The primary tools and technologies used to back up and recover data are: Backup Policies Backup Media Types Rotation Methods Backup Types Data Backup System Maintenance Specialized Data Backups Ver. 1.0 Session 10 Slide 26 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Backup Policies Backup policies are specific to each organization that documents its own backup requirements, procedures, and systems. Software Hardware and media Backup policy Testing Administration Ver. 1.0 Session 10 Slide 27 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Backup Media Types Backup media are of following types: Magnetic Tape Formats USB Ports on Removable Drives Tapes Hard disks CD- and DVD-ROMs Removable drives Ver. 1.0 Session 10 Slide 28 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Activity 13-3 Activity on Backing Up Data Ver. 1.0 Session 10 Slide 29 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Activity 13-4 Activity on Restoring Data Ver. 1.0 Session 10 Slide 30 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Rotation Methods • A backup rotation method is the schedule that determines how many backup tapes or other media sets are needed, and the sequence in which they are used and reused. • Types of backup rotation methods: • The Grandfather-Father-Son (GFS) Rotation Method • The Towers of Hanoi Rotation Method Ver. 1.0 Session 10 Slide 31 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Rotation Methods (Contd.) The GFS rotation method: Daily tapes: 4 for Mon – Thur, plus Weekly tapes: 4 Fridays, plus 1 extra 1 extra Monthly tapes: 12 plus 1 extra Ver. 1.0 Session 10 Slide 32 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Rotation Methods (Contd.) The Towers of Hanoi rotation method: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Day A A A A A A A A Media Set B B B B C C D E Media Set Used Every A 2 days B 4 days C 8 days 16 days alternating between set D D&E and E Ver. 1.0 Session 10 Slide 33 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Backup Types Backup types determine which files on a volume are backed up in a given backup operation, and also affect the requirements for restoring the data. Amount of data 1 2 3 4 5 Full backup 1 1 0 Amount of 0 Amount of 0 data 0 data % 5 % 5 0 0 % % 1 2 3 4 1 5 2 3 4 5 Full Differential Full Incremental Ver. 1.0 Session 10 Slide 34 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Data Backup System Maintenance To ensure that data is secured and it can be restored properly, the following regular backup system maintenance procedures can be followed: Verify backups Test restoration Review logs Replace tapes on schedule Maintain tapes and tape drives Clean tape drives Replace damaged tapes Ver. 1.0 Session 10 Slide 35 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Specialized Data Backups Certain data types may require specialized procedures or additional software components to perform a successful backup, such as: Email Open files Database Enterprise Power user Mobile users backups workstations Ver. 1.0 Session 10 Slide 36 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Fault Tolerance Methods The various tools and technologies used to implement fault tolerance are: Fault Tolerance Uninterruptible Power Supplies (UPSs) Partitions Redundant Array of Independent Disks (RAID) Standards Striping (RAID Level 0) Mirroring or Duplexing (RAID Level 1) Striping with Parity Spread Across Multiple Drives (RAID Level 5) Link Redundancy Enterprise Fault Tolerance Ver. 1.0 Session 10 Slide 37 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Fault Tolerance • Fault tolerance is the ability of a network or system to withstand a foreseeable component failure and continue to provide an acceptable level of service. 100% of clients One system fails, one takes over Ver. 1.0 Session 10 Slide 38 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Uninterruptible Power Supplies (UPSs) • UPS is a device that provides backup power when the electrical power fails or drops to an unacceptable voltage level. • Types of UPS : Online UPS Offline UPS Power source UPS Server Ver. 1.0 Session 10 Slide 39 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Partitions • A partition is a logical area of disk space that you can format and treat as a single storage unit. Primary partitions C Physical disk D Extended partition with logical drives E F G Ver. 1.0 Session 10 Slide 40 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Redundant Array of Independent Disks (RAID) Standards • RAID standards are a set of vendor-independent specifications for fault-tolerant configurations on multiple- disk systems. • In RAID, if one or more disk fails, data can be recovered from other disks. Data can be restored if one disk fails Data written to multiple disks Ver. 1.0 Session 10 Slide 41 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Striping (RAID Level 0) • RAID level 0 implements striping, which is the process of spreading data across multiple drives. Data D A T A Ver. 1.0 Session 10 Slide 42 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Mirroring or Duplexing (RAID Level 1) • In RAID level 1, data from an entire partition is duplicated on two identical drives by either mirroring or duplexing. • In mirroring, the two disks share a drive controller. • In duplexing, each disk has its own drive controller. Mirroring Duplexing Data Data Disk controllers DATA DATA DATA DATA Drive 0 Drive 1 Drive 0 Drive 1 Ver. 1.0 Session 10 Slide 43 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Striping with Parity Spread Across Multiple Drives (RAID Level 5) RAID level 5 systems spread data byte by byte across multiple drives, with parity information also spread across multiple drives. Data D A T A Parity Parity D A T A D A T Parity A D Parity A A D A Parity A Ver. 1.0 Session 10 Slide 44 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Link Redundancy • Link redundancy is a network fault-tolerance method that provides alternative network connections that can function, if a critical primary connection is interrupted. T1 T3 Customer ISP Ver. 1.0 Session 10 Slide 45 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Enterprise Fault Tolerance A well-defined enterprise-wide fault tolerance plan balances service community and fault tolerance costs, by: Power protection Disk fault tolerance Backup planning Service redundancy Link redundancy Hot and cold spares Service continuity Fault tolerance costs Ver. 1.0 Session 10 Slide 46 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Summary In this session, you learned that: The various components that are used in remote access networking to support remote users are: Remote Access Protocols Serial Line Internet Protocol (SLIP) Point-to-Point Protocol (PPP) The Remote Access Authentication Process Password Authentication Protocol (PAP) Challenge Handshake Authentication Protocol (CHAP) The CHAP Process Remote Authentication Dial-In User Service (RADIUS) Ver. 1.0 Session 10 Slide 47 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Summary (Contd.) A virtual private network (VPN) is a private network that is configured by tunneling through a public network such as the Internet. The various components that are used in VPNs: Tunneling VPNs Point-to-Point Tunneling Protocol (PPTP) Layer Two Tunneling Protocol (L2TP) VPN Data Encryption VPN Types Ver. 1.0 Session 10 Slide 48 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Summary (Contd.) The various components of disaster recovery plan are: • Disasters and Disaster Recovery • Disaster Categories • Disaster Recovery Plans • Responsible Individuals • Critical Hardware and Software Inventory • The Network Reconstruction Plan The primary tools and technologies that are used to back up and recover data are: Backup Policies Backup Media Types Rotation Methods Backup Types Data Backup System Maintenance Specialized Data Backups Ver. 1.0 Session 10 Slide 49 of 50
  • CompTIA N+ Certification: Remote Networking and Disaster Recovery Installing Windows XP Professional Using Attended Installation Summary (Contd.) The various tools and technologies used to implement fault tolerance are: • Fault Tolerance • Uninterruptible Power Supplies (UPSs) • Partitions • Redundant Array of Independent Disks (RAID) Standards • Striping (RAID Level 0) • Mirroring or Duplexing (RAID Level 1) • Striping with Parity Spread Across Multiple Drives (RAID Level 5) • Link Redundancy • Enterprise Fault Tolerance Ver. 1.0 Session 10 Slide 50 of 50