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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. In the VoIP network, which of the following factors has nothing to do with the bandwidth saved by VAD technology ?

A) said language and characteristics of the speaker
B) selected by signaling type
C) selected encoding type used
D) mesh network congestion degree

2. Which of the following descriptions about L2TP tunnel ( Tunnel ) and L2TP session ( Session ) are correct is ____ .( Choose one or more )

A) The L2TP session must be carried out after the L2TP tunnel is established
B) will identify the session ( the Session ID ) is not the same message can not reuse the same tunnel
C) will identify the session ( the Session ID ) is not the same message can reuse the same tunnel
D) L2TP session can be carried out before L2TP tunnel is established

3. The label value 3 has a special meaning in the MPLS network , which means ______ .

A) As a result of the forwarding equivalence class MPLS label forwarding entry of the label 3 , showing the device is the inverse of the forwarding equivalence class of the second hop device
B) As a result of the forwarding equivalence class MPLS label forwarding entry into label 3 , showing the device is the inverse of the forwarding equivalence class of the first hop device
C) As a result of the forwarding equivalence class MPLS label forwarding entry into label 3 , indicates that the device is a reciprocal of the second hop forwarding equivalence class of device
D) As a result of the forwarding equivalence class MPLS label forwarding entry of the label 3 , showing the device is the inverse of the forwarding equivalence class of the first hop device

4. For the two upstream and downstream LSRs , for the label forwarding table of the same forwarding equivalence class, the correct description is _______ .

A) the tour LSR same tag value into a tag value to downstream devices
B) the tour LSR same label value into the label value to downstream devices
C) the swim LSR the label value of the label value is the same as the downstream equipment
D) the swim LSR same outgoing label and the label value of the downstream equipment

5. Which of the following codes has the lowest bandwidth requirement?

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

Solutions: