GB0-391 試験問題を無料オンラインアクセス

In the BGP MPLS VPM private network, which of the following files will not be carried in the private network message sent by the PE device to the CE device

• A.Private network MPLS label
• B.RT
• C.RD
• D.Public network MPLS label

Congestion occurs in the outbound direction of a certain interface of a certain device.It is observed that the traffic of all its TCP connections continues to oscillate at the same frequency, and the average utilization of bandwidth is greatly reduced.In order to solve the problem of low bandwidth utilization, ______ technology can be used .

• A.Tail discard
• B.LR
• C.WRED
• D.RED

Based on SOA network architecture to enterprise IT systems into which of the following levels ? ( Select one or more )

• A.business service layer
• B.mesh network layer
• C.shall by layer
• D.service service layer

Which of the following PPPoE packets may contain valid PPP Session-ID information ?

• A.PADO ( PPPoE Active Discover Offer )
• B.PADR ( PPPoE-Active Discover Request )
• C.PADS ( PFoPoE Active Discover Session-Confirmation )
• D.PADT ( PPPoE Active Discover Ter minate )
• E.PADI ( PPPoE Active Discover Initiation )

To get the best of VoIP voice quality, _____ coding best choice.

• A.G.711
• B.G.723
• C.G.729