单项选择题
Which device is responsible for assigning label values in an MPLS network?（）
A. upstream node
B. originating node
C. destination node
D. downstream node
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相关考题
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单项选择题
An ERX Edge Router is operating in an MPLS network using interface label space.What is used to make a forwarding decision?（）
A. EXP bits
B. VPI / VCI
C. shim header
D. SNAP header -
单项选择题
A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）
A. It performs a label pop operation and an IP lookup.
B. It performs a label swap operation and an IP lookup.
C. It sends an error message toward the egress router.
D. It sends an error message toward the ingress router. -
单项选择题
With MPLS Fast Reroute, what is the "point of local repair"?（）
A. egress router
B. ingress router
C. start of the bypass tunnel
D. all routers in the bypass tunnel
