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QUESTION 56
Which three codecs are considered to have high 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 B
Correct Answer: CDF

QUESTION 57
Which statement about the G.729 codec is correct?
A. G.729 Annex A is a high-complexity codec.
B. G.729 Annex A and G.729 do not interoperate with each other.
C. G.729 Annex A with Annex B is a pre-IETF-standard format.
D. G.729 Annex A with Annex B and G.729 Annex B can interoperate with each other only through a transcoder.
E. The Cisco IOS configuration option of “g729r8” uses G.729 Annex A when medium complexity is defined on the voice card.
Correct Answer: E

QUESTION 58
On a Cisco IOS MGCP PRI gateway, what is the maximum configurable length of time for a scheduled switchback to a higher-priority Cisco Unified Communications Manager?
A. 6 hours
B. 12 hours
C. 18 hours
D. 24 hours
E. 48 hours
Correct Answer: D

QUESTION 59
Which of these is an invalid switchback method for a Cisco IOS MGCP PRI gateway in case a higher-priority Cisco Unified Communications Manager returns to active service?
A. guard
B. graceful
C. immediate
D. schedule time
E. uptime delay
Correct Answer: A

QUESTION 60
What is the default switchback method for a Cisco IOS MGCP PRI gateway when a higher-priority Cisco Unified Communications Manager becomes available again?
A. graceful
B. immediate
C. uptime delay
D. never
E. schedule time
Correct Answer: A

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