Specifications

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QUESTION 159
Which statement is true about IP telephony calls?
A. A Voice over IP (VoIP) packet consists of the voice payload, IP header, TCP header, RTP header,
and Layer 2 link header.
B. The voice carrier stream uses H.323 to set up, maintain, and tear down call endpoints.
C. Call control signaling uses Real-Time Transport Protocol (RTP) packets that contain actual
voice samples.
D. The sum of bandwidth necessary for each major application, including voice, video, and data,
should not exceed 75 percent of the total available bandwidth for each link.
Correct Answers: D
QUESTION 160
Examine the router output above. Which two items are correct? (Choose two.)
A. Router A will assume the active state if its priority is the highest.
B. If Ethernet 0/2 goes down, the standby router will take over.
C. When Ethernet 0/3 of RouterA comes back up, the priority will become 105.
D. The local IP address of Router A is 10.1.0.6.
E. The local IP address of Router A is 10.1.0.20.
Correct Answers: AC