多项选择题
A. LDP uses Down Stream On Demand. B. RSVP uses Down Stream On Demand. C. LDP uses Down Stream Unsolicited. D. RSVP uses Down Stream Unsolicited.
Which device is responsible for assigning label values ...
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
An ERX Edge Router is operating in an MPLS network usin...
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
A router receives a packet from a neighbor with an MPLS...
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.
