2013 Latest CCIE Voice Written 350-030 Exam 51-55

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QUESTION 51
What is the default switchback method for an SCCP hardware transcoder when a higher-priority Cisco Unified Communications Manager becomes available again?
A. graceful
B. immediate
C. uptime
D. never
E. guard
Correct Answer: E

QUESTION 52
Which telephony signaling type cannot be configured for a Cisco IOS MGCP gateway on Cisco Unified Communications Manager?
A. T1 PRI
B. analog FXO
C. analog E&M
D. T1 CAS E&M delay dial
E. ISDN BRI
Correct Answer: C

QUESTION 53
Which two codecs provide built-in VAD? (Choose two.)
A. G.711 mu-law
B. G.722-64K
C. G.723.1 Annex A
D. G.726
E. G.729
F. G.729 Annex B
Correct Answer: CF

QUESTION 54
Which statement about the G.729 codec is correct?
A. G.729 and G.729A are both high-complexity codecs.
B. G.729A and G.729B both provide built-in VAD.
C. G.729 is a low-complexity codec, while G.729A is a high-complexity codec.
D. G.729 is a high-complexity codec, while G.729A is a medium-complexity codec.
E. G.729 is a low-complexity codec, while G.729A is a medium-complexity codec.
Correct Answer: D

QUESTION 55
Which three codecs are considered to have medium complexity on Cisco IOS voice gateways? (Choose three.)
A. G.711 a-law
B. G.711 mu-law
C. G.723
D. G.728
E. G.729
F. G.729 Annex A with Annex B
Correct Answer: ABF

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