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
多项选择题 Which three are true about MPLS LSP establishment using RSVP?（） (Choose three.)
单项选择题 What is the term "ordered control" mean regarding how MPLS LSPs are established?（）
多项选择题 Which two statements are correct regarding MPLS LSP establishment methods?（） (Choose two.)
