Chapter 8: Network + Certification Exam Review Outline:
Chapter Review |
Chapter Overview |
8.1 | Basic Networking Knowledge
8.1.1 | Star, bus, mesh, and ring topologies
8.1.2 | Segments and Backbones
8.1.3 | The major network operating systems (NOS): Microsoft Windows NT, Novell NetWare, and Unix
8.1.4 | The clients that best serve specific network operating systems and their resources
8.1.5 | The directory services of the major network operating systems
8.1.6 | IP, IPX, and NetBEUI and associate them with their functions
8.1.7 | Mirroring, duplexing, striping, volumes, tape backup
8.1.8 | The OSI model and the protocols, services, functions that pertain to each layer
8.1.9 | Cat 3, Cat 5, fiber optic, UTP, and STP
8.1.10 | 10BASE2, 10BASE5, 10BASE-T, 100BASE-T, 100BASE-TX, 100BASEVG-AnyLAN
8.1.11 | Full and Half-Duplexing, WAN and LAN; Server, workstation, and host; Server-based networking and peer-to-peer networking; Cable, NIC, and router; broadband and baseband; Gateway (as both a default IP router and as a method to connect dissimilar systems or protocols)
8.2 | Understand Physical Layer
8.2.1 | Troubleshooting the Physical Layer when you have network problems after installing or replacing a NIC
8.2.2 | Hubs, MAUs, switching hubs (switches), repeaters, transceivers
8.3 | The Data Link Layer
8.3.1 | Bridges, what they are and why they are used
8.3.2 | The 802 specifications
8.3.3 | The function and characteristics of MAC addresses
8.4 | The Network Layer
8.4.1 | Routing occurs at the network layer
8.4.2 | The difference between a router and a brouter
8.4.3 | The difference between routable and non-routable protocols
8.4.4 | The concept of default gateways and subnetworks
8.4.5 | The reason for employing unique network Ids
8.4.6 | The difference between static and dynamic routing
8.5 | The Transport Layer
8.5.1 | The distinction between connectionless and connection-orientated transport
8.5.2 | Explain the purpose of name resolution
8.6 | TCP/IP Fundamentals
8.6.1 | IP default gateways
8.6.2 | DHCP, DNS, WINS, and host files
8.6.3 | TCP, UDP, POP3, SMTP, SNMP, FTP, HTTP, and IP
8.6.4 | Why TCP/IP is supported by every operating system and millions of hosts worldwide
8.6.5 | The purpose and function of Internet Domain Name Server hierarchies (how email arrives in another country)
8.6.6 | Class A, B, and C addresses and their default subnet mask numbers
8.6.7 | The port numbers used (for example HTTP, FTP, SMTP) for a given service
8.6.8 | Proxy and why it is used
8.6.9 | IP address, DNS, default gateway, IP proxy, WINS, DHCP, host name, and internet domain name
8.7 | TCP/IP Suite: Utilities
8.7.1 | How and when to use ARP to test, validate, and troubleshoot IP connectivity
8.7.2 | How and when to use Telnet to test, validate, and troubleshoot IP connectivity
8.7.3 | How and when to use NBTSTAT to test, validate, and troubleshoot IP connectivity
8.7.4 | How and when to use TRACERT to test, validate, and troubleshoot IP connectivity
8.7.5 | How and when to use NETSTAT to test, validate, and troubleshoot IP connectivity
8.7.6 | How and when to use IPCONFIG/WINIPCONFIG to test, validate, and troubleshoot IP connectivity
8.7.7 | How and when to use FTP to test, validate, and troubleshoot IP connectivity
8.7.8 | How and when to use PING to test, validate, and troubleshoot IP connectivity
8.8 | Remote Connectivity
8.8.1 | The distinction between PPP and SLIP
8.8.2 | The purpose and function of PPTP and the conditions under which it is useful
8.8.3 | The attributes, advantages and disadvantages of ISDN and PSTN (POTS)
8.8.4 | The modem configuration parameters which must be set (serial port IRQ, I/O address, maximum port speed) for dial-up networking to function
8.8.5 | The requirements for a remote connection
8.9 | Security
8.9.1 | Selection of a security model (user and share levels) as a good practice to ensure network security
8.9.2 | The use of standard password practices and procedures as a good practice to ensure network security
8.9.3 | The need to employ data encryption to protect network data as a good practice to ensure network security
8.9.4 | The use of a firewall as a good practice to ensure network connectivity
8.10 | Implementing Installation of the Network
8.10.1 | Administrative and test accounts, passwords, IP addresses, IP configurations, and relevant SOPs
8.10.2 | The impact of environmental factors on computer networks
8.10.3 | Common peripheral ports, external SCSI connections (esp. DB-25), print servers, hubs, routers, brouters, bridges, patch panels, UPSs, NICs, and token ring media filters
8.10.4 | The consequences of trying to install an analog modem into a digital jack
8.10.5 | The uses of RJ-45 connectors may differ greatly depending on the cabling
8.10.6 | Patch cables contribute to the overall length of the cabling segment
8.11 | Maintaining and Supporting the Network
8.11.1 | The kinds of test documentation that are usually available regarding a vendors patches, fixes, upgrades, etc.
8.11.2 | Demonstrate awareness of standard backup procedures back up media storage practices
8.11.3 | The need for periodic application of software patches and other fixes to the network
8.11.4 | The need to install anti-virus software on the server and workstation
8.11.5 | The need to frequently update virus signatures
8.12 | Troubleshooting the Network
8.12.1 | Troubleshooting approach
8.12.2 | Distinguish whether a problem is attributable to the operator or the system
8.12.3 | A second method for determining whether a problem is attributable to the operator or the system
8.12.4 | The need to check the following as physical and logical indicators of trouble: link lights, power lights, error displays, error logs and displays, and performance monitors
8.12.5 | Given a network problem scenario, determine the problem.
8.12.6 | The purpose and function of common network tools including: a crossover cable, hardware loopback, tone generator, tone locator (fox and hound)
Chapter Summary |