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Table Of Contents  CertiGuide to Network+
 9  Appendix A: Answers to Success Questions and Real World Exam Questions

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Chapter 0001: LAN Cabling Answers
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Chapter 0000: Network Basics Answers

1. What software component is necessary for the operating system to use the network card?

A. NetBEUI

B. Windows 95

C. LAN card Drivers

D. Diagnostic utilities

E. DOS

Explanation: Network cards require a driver in order to function. NetBEUI is a newer version of NetBIOS, and Windows 95 and DOS are workstation operating systems. Diagnostic utilities are helpful for troubleshooting but are not required to make the card operate.

& Domain 3.11: Given a network configuration, select the appropriate NIC and network configuration settings (DHCP, DNS, WINS, protocols, NetBIOS/host name etc.).


 

2. The ________ network topology is the most fault tolerant and provides the most redundancy.

Mesh

Explanation: A mesh network topology connects every PC, or client machine, to every other machine in the topology. Using this configuration, connectivity can be maintained in almost any situation. If there is a break in any of the connections, there is at least one other way for those machines to communicate. Because of this topology's complex nature, it is very difficult to network more than a few machines, and it can be very expensive. It is most advantageous for the likes of financial institutions where information is most critical.

& Domain 1.1: Recognize the following logical or physical network topologies given a schematic diagram or description: Star/ hierarchal, bus, mesh, ring, wireless.


 

3. To ensure that the network experiences maximum uptime (minimum of 99.999%, or a total outage measured in minutes per year), your best topology choice would be _________.

A. Ring

B. Bus

C. Star

D. Mesh

E. All offer cable fault-tolerance

Explanation: Because a mesh topology requires that each client be connected to every other client, the chance that a client would lose communication to the others is extremely small. These networks are very expensive to install and very complex to implement, and are common in banks, where constant uptime is critical.

& Domain 1.1: Recognize the following logical or physical network topologies given a schematic diagram or description: Star/ hierarchal, bus, mesh, ring, wireless.


 

4. You need to ensure connectivity. You conclude that multiple links is the best solution. The cabling topology you select is____________:

A. Star

B. Ring

C. Bus

D. Mesh

E. All choices are accurate

Explanation: The mesh topology provides the most redundancy in networking because it physically connects each PC with every other PC. It is very complex and therefore very costly, but if you get a break between any of the PCs, you've got at least one other way of connecting them.

& Domain 1.1: Recognize the following logical or physical network topologies given a schematic diagram or description: Star/ hierarchal, bus, mesh, ring, wireless.


 

5. A user calls the help desk complaining that they are not able to login to the server. The Ethernet network consists of 20 PCs running only TCP/IP. IP addresses are statically assigned. The results from the Winipcfg utility appear to be correct and all required addresses are present (IP, subnet mask, DNS, and default gateway). What else would be a logical item to check?

A. A router has failed

B. The statically IP address assigned to this PC is already used by another device on the network

C. A NIC is jabbering which is causing so much traffic on the cable system that no other PCs can communicate

D. No Answer is correct

Explanation: Duplicate IP addresses are a common problem in an IP network. It is very important that you keep track of your assigned IP address.

& Domain 2.5: Define the purpose, function and/or use of the following protocols within TCP/IP: IP, TCP, UDP, FTP, TFTP, SMTP, HTTP, HTTPS, POP3/IMAP4, Telnet, ICMP, ARP, NTP.

& Domain 4.1: Given a troubleshooting scenario, select the appropriate TCP/IP utility from among the following: Tracert, ping, ARP, NBTstat, Netstat, IPconfig/Ifconfig, WinIPcfg, Nslookup.


 

6. Identify two local area networks from the following configurations:

A. One computer in California and one in Texas that use email and share documents.

B. Two computers and a printer connected by a network cable

C. 500 computers on different floors that are connected and share files

D. 200 computers all on the same floor that are configured as standalone computers

Explanation: To complete a network you must have a Topology (cable structure), a Network Interface Card, a Network Interface Card Driver, a Network Operating System, and two or more Workstations or Servers.

& Domain 3.1: Identify the basic capabilities (i.e., client support, interoperability, authentication, file and print services, application support, and Security: Unix/Linux, NetWare, Windows, Macintosh.

& Domain 3.2: Identify the basic capabilities of client workstations (i.e., client connectivity, local security mechanisms, and authentication).

& Domain 3.11: Given a network configuration, select the appropriate NIC and network configuration settings (DHCP, DNS, WINS, protocols, NetBIOS/host name etc.).


Previous Topic/Section
Appendix A: Answers to Success Questions and Real World Exam Questions
Previous Page
Pages in Current Topic/Section
1
Next Page
Chapter 0001: LAN Cabling Answers
Next Topic/Section

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