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Implementing Cisco Collaboration Core Technologies (350-801 CLCOR) Questions and Answers

Question 33

A Cisco IP Phone 7841 that is registered to a Cisco Unified Communications Manager with default configuration receives a call setup message. Which codec is negotiated when the SDP offer includes this line of text?

M=audio 498181 RTP/AVP 0 8 97

Options:

A.

G.711ulaw

B.

iLBC

C.

G.711alaw

D.

G.722

Question 34

What is a benefit of using DNS in a Cisco collaboration infrastructure?

Options:

A.

provides high availability for the collaboration infrastructure

B.

provides certificate-based security

C.

reduces latency for audio and video communications

D.

enables the directory address book in Cisco UCM

Question 35

What are the last two bits of a DS field in DiffServe Byte used for?

Options:

A.

INC

B.

AFxy

C.

ECN

D.

RMI

Question 36

An administrator is configuring a new Cisco UCM with PSTN capabilities. Due to

bandwidth constraints, audio compression is used on the codec. DTMF must work as

expected because the customer is calling many call centers where the users must select

options in the call. Where is DTMF out-of-band in a CCM 12.5 with SIP-based gateway

configured?

Options:

A.

in the DTMF setting under SIP profile on the Cisco Unified Border Element

B.

in the dial peer on the Cisco IOS router

C.

in regions on the Cisco UCM where the appropriate codec to use is set

D.

in DTMF settings in the audio codec preference list under regions in the Cisco UCM

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Total 361 questions