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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. A company PBX via a T1 connection line to the telephone network operators, due to expansion of company size, needs to be able to meet the concurrent 50 -way voice calls, you need to re-apply for ____ root T1 line ? ( Fill in Arabic numerals )

2. In the H.323 protocol, which of the following protocols is used to negotiate the capabilities of both parties ?

A) H.263
B) H.261
C) H.245
D) H.225.0

3. The edge devices of the MPLS network are called _______ .

A) LRR
B) LSP
C) LSR
D) LER

4. When the user uses the phone, after picking up the phone handle and inputting the called number, what kind of signaling does the ring back from the receiver belong to ______ .

A) Call call signaling
B) to address signaling
C) monitoring tube signaling
D) letter information signaling

5. In the SIP network, when the redirect server receives the session request message sent by the calling UA ,

A) Lord called UA all messages are forwarded through a proxy server
B) Heavy targeting server to find the called UA position information, which is returned to the calling UA
C) re- orienting the received server directly calling UA session request message to the called UA
D) re- directed to find a server called UA 's location information and initiates a session request this position

Solutions: