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Cisco Voice Over IP Sample Questions:

1. You are meeting with a customer that has deployed IP telephony at their headquarters
location. They would like to roll out IP telephony to their regional office as well. They are now using the G.711 codec at headquarters. They want to be able to maximize the number of calls carried without impacting voice quality or forcing a WAN upgrade. Which codec would be appropriate for their WAN?

A) G.711
B) G.729B
C) G.726
D) G.723.1

2. Refer to the exhibit. Enzo's Bikes manufactures high end bicycle frames. Until recently they sold only to bicycle shops; however, now they are starting to sell to end users. They need a way to add two additional sales staff and ensure that the senior sales technician always gets the first call. Drew is the senior sales technician. Bob is the newest sales technician. Bob's phone should always be the last one chosen for incoming sales calls, after Drew and James. Bob's phone should be chosen first only when Drew and James are busy on calls.
Select the correct dial-peer command set for Bob's phone.

A) dial-peer voice 3 pots destination-pattern 5555110 preference high
B) dial-peer voice 3 pots destination-pattern 5555110 preference 3 huntstop
C) dial-peer voice 3 pots destination-pattern 5555110 preference firstlast
D) dial-peer voice 3 pots destination-pattern 5555110 preference 0
E) dial-peer voice 3 pots destination-pattern 5555110 preference 2

3. To hide its identity when initiating calls, Phone B requests that Server B place its calls for it. What kind of device is Server B?

A) user agent server
B) redirect
C) user agent client
D) registrar
E) proxy

4. Refer to the exhibit. You have been asked to configure a dial peer on R2 that will match only the extensions of the four telephones attached. Which dial-peer statement will you use?

A) dial-peer voice 1 pots destination-pattern 5552.[0-5]0
B) dial-peer voice 1 pots destination-pattern 5552[5-6][05]0
C) dial-peer voice 1 pots destination-pattern 555[2-5][56]
D) dial-peer voice 1 pots destination pattern 5552[5-6].0

5. Which process changes an internal extension into a fully qualified external PSTN number before matching to a dial peer?

A) prefix extension
B) digit masking
C) forward digits
D) number expansion

Solutions: