H3C GB0-391 : Constructing Secure optimized WANs v2.0

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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. In the GRE encapsulation of IP over IP , IP uses the protocol number ____ to mark the GRE header.

A) 47

2. In the PE on rub see a VPN private network table, can be found through the through MP-BGP routing protocol has learned the end VPN private network by a user, but this time to check the PE at even CE provided apparatus routing table, but It is found that the private network route cannot be learned .Which of the following reasons may be ____ ?

A) The routing protocol between PE and CE is abnormal, and routing information cannot be exchanged normally
B) The MP-BGP neighbor establishment between PEs is abnormal
C) The interface between the PE and the CE is not bound to the VPN

3. an LSR transport line DU under the label distribution mode, ordered label control mode, the following statements is correct _______ .

A) The LSR receives a downstream device for an FEC to label mapping consumption when messages can for FEC distribution labels, without waiting for the upstream label allocation request
B) If the LSR is the most downstream device of a certain FEC , it can assign labels to the FEC without waiting for the upstream label allocation request
C) The LSR long for the upstream device receives a FEC label allocation can request that the FEC allocation label
D) The LSR received on tour LSR for a FEC requesting label allocation, and the LSR is the FEC of the most if the downstream device may be the FEC assigned tag

4. Which of the following codes has the lowest requirement for broadband_____ ?

A) G.729
B) G.711
C) G.726
D) G.723

5. In the H.323 call flow, if two terminals registered to the same gatekeeper adopt the direct call mode, then

A) to the answers are right
B) Messages such as Setup and Connect are directly exchanged between the two terminals
C) Messages such as ARQ and ACF are directly exchanged between the two terminals
D) H.245 capability negotiation is completed directly between two terminals

Solutions: