单项选择题
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.
相关考题
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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
