多项选择题

What are two purposes of the RSVP signaling protocol when configuring MPLS Label-Switched Paths (LSPs)? （）(Choose two.)

A. to perform a label push operation
B. to track the status of signaled LSPs
C. to perform longest-match route lookups
D. to reserve resources, such as labels and path information

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多项选择题

Which three are true about MPLS LSP establishment using RSVP?（） (Choose three.)

A. Ordered Control
B. Independent Control
C. Down Stream Unsolicited
D. Liberal Label Management
E. Down Stream On Demand

单项选择题

What is the term "ordered control" mean regarding how MPLS LSPs are established?（）

A. establish starting at the egress router going back to the ingress router
B. establish starting at the ingress router going downstream to the egress router
C. establish when a router learns of a new prefix
D. establish when the path correctly matches the reverse path forwarding check

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.