单项选择题

A. CEF switching is only needed to forward labeled pack……

The router SIS-R has been configured in a CIS network. As a network administrator, you were required to enable MPLS on that router.
Which of the following description is making sense on the basis of the output information?（）

A. CEF switching is only needed to forward labeled packets.
B. CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled.
C. Interface-level CEF switching is needed only on egress interfaces that are sending IP packets on which the egress LSR performs the label imposition process.
D. Interface-level CEF switching is needed only on ingress interfaces that are receiving IP packets on which the ingress LSR performs the label imposition process.

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热门试题

单项选择题Which of these tools should you use to compress VoIP packets on a low-speed Frame Replay circuit?（）

A. Cisco Proprietary payload compression
B. Predictor payload compression
C. RTP header compression
D. TCP header compression

单项选择题Which version of NTP was the first to support cryptographic authentication?（）

A.Version 1
B.Version 5
C.Version 4
D.Version 3

单项选择题How does NTP help you troubleshoot network problems?（）

A. By calculating the time offset from the GPS or atomic clock
B. By setting the router clock to the default value if the router can't connect to a time server
C. By setting all network devices to the correct time
D. By setting necessary time date in the timestamp information

单项选择题Which of the following can we draw from the given information concerning the class-map all-traffic ?（）

A. The class-map "all-traffic" will match all traffic with ip precedence 4 and 5
B. The class-map "all-traffic" will match all traffic with dscp 18 or dscp 43
C. The class-map "all-traffic" will match all traffic with ip precedence 0 or 1
D. The class-map "all-traffic" will match all traffic with dscp 18 and dscp 43

单项选择题Which one of these class maps was configured to match traffic for CS5?（）

A. CIS 1# show class-map forward Class map match-all forward ( id 3) Match ip dscp 18
B. CIS1#show access-map block Class map match-all block (id 4) Match ip dscp 43
C. CIS1# show class-map real-time Class map match-all block (id 5) Match ip dscp 16
D. CIS 1# show class-map pass Class map match-all real-time (id 2) Match ip dscp 40