What is the action of "pop" in the context of MPLS switching？（）
- A、It removes the top label in the MPLS label stack.
- B、It adds a top label in MPLS label stack.
- C、It replaces the top label in the MPLS label stack with another value.
- D、It replaces the top label in the MPLS label stack with a set of labels.
- E、None of above.
正确答案:A
答案解析:有
微信扫一扫手机做题