Certification Questions

Q:

Suppose you have a customer who has a central HQ and six branch offices. The customer anticipates adding six more branches in the near future. It  whishes to implement  a WAN technology that will allow the branches to economically connect to HQ and you have no free ports on the HQ router. which of the following would you recommend?

A) PPP B) HDLC
C) Frame Relay D) ISDN
 
Answer & Explanation Answer: C) Frame Relay

Explanation:

The key is "there are no free ports" on your router. Only Frame Relay can provide a connection to multiple locations with one interface, and in an economical manner no less.

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Q:

When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined?

A) Supplied by the CSU/DSU B) By the far end router
C) By the clock rate command D) By the Physical layer bits stream timing
 
Answer & Explanation Answer: A) Supplied by the CSU/DSU

Explanation:

Clocking on a serial interface is always provided by the CSU/DSU (DCE device). However, if you do not have a CSU/DSU in your non-production test environment, then you need to supply clocking with the clock rate command on the serial interface of the router with the DCE cable attached.

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Q:

The Acme Corporation is implementing dail-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols,needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services? 

A) 802.1 B) Frame Relay
C) HDLC D) PPP
 
Answer & Explanation Answer: D) PPP

Explanation:

PPP is your only option because HDLC and Frame RElay do not support these types of business requirements. PPP provides dynamic addressing , authentication using PAP or CHAP, and callback services.

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Q:

Which of the following uses ATM as the Data Link layer protocol that's terminated at what's known as the DSLAM?

A) DSL B) PPPoE
C) Frame Relay D) Dedicated T1
 
Answer & Explanation Answer: A) DSL

Explanation:

ATM is the Data-Link layer protocol that's typically used over the DSL layer1 connection from the CPE and terminated at what's known as the DSLAM - an ATM switch that contains DSL interface cards, or ATU-Cs.

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Q:

You are choosing a windows 2000 operating system to use on a new computer at your company. This new computer will be used exclusively as a network file server. Which operating system should you use choose?

A) Windows 2000 professional B) Windows 2000 Server
C) Windows 2000 Advanced Server D) Windows 2000 Datacenter Server
 
Answer & Explanation Answer: B) Windows 2000 Server

Explanation:

Windows 2000 server is optimized for use on network file, print , application and Web servers.

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Q:

In Which part of the Windows 2000 architecture do applications run in?

A) User mode B) Kernel mode
C) Window Manager D) Executive Services
 
Answer & Explanation Answer: A) User mode

Explanation:

Applications and their subsystems  run in user mode.

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Q:

For most large companies, in terms of ease of network administration, what is the optimum number of Active Directory domains to use on their Windows 2000 network?

A) 1 B) 2
C) 3 D) More than 3
 
Answer & Explanation Answer: A) 1

Explanation:

Using a single domain greatly simplifies the administration of your network

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Q:

Which hardware platform (or platforms) are supported by Windows 2000?

A) The Intel Pentium/ 166MHZ (and higher) platform B) The Compac Alpha platform
C) The PowerPC platform D) The MIPS R4000 platform
 
Answer & Explanation Answer: A) The Intel Pentium/ 166MHZ (and higher) platform

Explanation:

The Intel Pentium/166MHz (and higher) platform is the only hardwaer platform supported by Windows 2000.

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