单项选择题
A.path-option B.route-option C.explicit-path-option D.explicit-route-option
When configuring an explicit path, what does the next-a...
单项选择题When configuring an explicit path, what does the next-address entry identify?（）
A. the tunnel end point B. the tunnel start point C. a specific node to be traversed D. the node prior to the tunnel end point
Which TCP port does LDP use for its protocol communicat...
单项选择题Which TCP port does LDP use for its protocol communications?（）
A.464 B.466 C.644 D.646
What are three valid LDP message types? （）(Choose three...
多项选择题What are three valid LDP message types? （）(Choose three.)
A. peer discovery B. label distribution C. path initialization D. session management E. connection establishment
