多项选择题

Which two statements are correct regarding MPLS LSP establishment methods?（） (Choose two.)

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.

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相关考题

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

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.