READ Free Dumps For Cisco- 400-051
| Question ID 13060 | Assume a 30-millisecond voice payload, 6 bytes for the Layer 2 header, 1 byte for the end-
of-frame flag, and the IP, UDP, and RTP headers are compressed to 2 bytes, how much
bandwidth should be allocated to the strict priority queue for eight VoIP calls that use a
G.729 codec over a multilink PPP link with cRTP enabled?
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| Option A | 121.6 kb/s
|
| Option B | 92.8 kb/s
|
| Option C | 88.4 kb/s
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| Option D | 83.2 kb/s
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| Option E | 78.4 kb/s
|
| Correct Answer | D |
Explanation Reference: http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080094ae2. shtml
| Question ID 13061 | To which QoS tool category does compressed RTP belong?
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| Option A | classification
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| Option B | marking
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| Option C | link efficiency
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| Option D | queuing
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| Option E | prioritization
|
| Correct Answer | C |
Explanation Explanation: LLQ is a feature that provides a strict PQ to CBWFQ. LLQ enables a single strict PQ within CBWFQ at the class level. With LLQ, delay-sensitive data (in the PQ) is dequeued and sent first. In a VoIP with LLQ implementation, voice traffic is placed in the strict PQ.