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131. Your workstation has three hard disks with the capacities of 300MBs, 600MBs, and 750MBs. What would be the amount of total data storage as a result of implementing a stripe set with parity?

A. 300 MB

B. 900 MB

C. 1650 MB

D. 1350 MB

E. 600 MB

Explanation: Stripe sets with parity (RAID 5) can utilize 3 to 32 hard drives, and have a size limit determined by multiplying the number of disks by the capacity of the smallest disk, then subtracting the capacity of the smallest disk . The math is: 3 x 300 = 900 - 300 = 600 MBs.

& Domain 3.5: Identify the purpose and characteristics of fault tolerance.

132. Your company has 210 customer service representatives on your network, all of which have Internet access and often access the same web sites. Which of the following proxy types would improve performance for these users?

A. IP proxy

B. HTTP proxy

C. HTML proxy

D. FTP proxy

E. Web proxy

Explanation: Proxies come in three flavors: Socks, HTTP, and FTP. Since HTTP is the protocol for web pages, an HTTP proxy is the appropriate choice for this situation.

& Domain 3.9: Identify the purpose, benefits and characteristics of using a proxy.

133. From the choices below, choose the common external SCSI connectors. (Choose three)

A. DB-25

B. 36 pin

C. 50 pin

D. HD 68 pin

E. 40-pin/80 conductors

& Domain 1.4: Recognize the following media connectors and/or describe their uses: RJ-11, RJ-45, AUI, BNC, ST, and SC.

134. What is the name of a common test performed on a NIC with vendor-supplied diagnostic software?

A. NIC Test

B. Diagnostic Test

C. PING

D. Loopback

E. NICBack

Explanation: Most vendor-supplied diagnostic software can run a loopback test when a loopback plug is inserted into the NIC.

& Domain 4.12: Given a network troubleshooting scenario involving a wiring/infrastructure problem, identify the cause the problem (e.g.) that media, interference, network hardware.

135. Where would you go to disable a COM port in order to install an internal modem on COM2?

A. Windows95 Control Panel

B. DOS prompt

C. The system BIOS/CMOS

D. Jumpers on the modem

Explanation: By going into your computer's BIOS or CMOS setup you have the ability to view the current configuration of your COM ports as well as enable or disable them.

& Domain 4.2: Given a troubleshooting scenario involving a small Office/Home Office network failure (e.g., xDSL, cable, home satellite, wireless, POTS) identify the cause the problem.

& Domain 4.3: Given a troubleshooting scenario involving a remote connectivity problem (e.g., authentication failure, Protocol configuration, physical connectivity) identify the cause a problem.

& Domain 4.9: Given a network problem scenario, select an appropriate course of action based on general troubleshooting strategy.

& Domain 4.11: Given a network to allow sharing scenario involving a client connectivity problem (e.g., incorrect Protocol/client software/authentication configuration, or insufficient rights/permission), identify the cause the problem.

& Domain 4.12: Given a network-troubleshooting scenario involving a wiring/infrastructure problem, identify the cause of the problem) e.g., bad media, interference, network hardware).

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