A.Allow a CSS to probe the server
B.Allow a connection to be closed with a TCP RESET
C.Allow persistent connections
D.Allow the use of HTTP HEAD request
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A.Addition or Deletion of PVC
B.PVC status （active or inactive）
C.Link integrity
D.None of the other alternatives apply
A.It provides comprehensive Domain Name system
B.It provides DHCP administrative functionality
C.It provides TFTP server functionality.
D.All of the above are true
A.UniDirectional Loop Detection
B.Unspecified Distribution Label Detection
C.Unified Distribution Label Direction
D.UniDirectional Link Detection
A.Microliters installed between a telephone and shared line
B.POTS splitters at the subscriber’s end of the DSL line
C.POTS splitters at the telco CO
D.None of the other alternatives apply
A.AAU2
B.AAL3
C.AAL4
D.AAL5
最新試題
Which statement about the use of Route Target Rewrite is true？（）
What are three common reasons for ATM CRC errors？（）
How many messages does internet Key Exchange use to negotiate SA characteristics when running inmain mode？（）
MPLS label mapping on an LSR is displayed by which IOS command？（）
Which option is not a valid method to assign the lowest-order 64-bit field of an IPv6 unicast address？（）
What layer of the TMN （telecommunications management network） model does CTM fit into？（）
Which two requirements to deploy 6PE and 6VPE solutions are mandatory？（）
When an MPLS Layer 2 VPN runs in the hub-and-spoke model， where is QoS implemented？（）
In the Carrier Supporting Carrier （CsC） feature， which two protocols run between CSC-PE and CSC-CE（）.
Which statement about multicast VPN is true？（）