单项选择题

Which BGP route selection criterion is superior?（）

A. lowest MED
B. highest weight
C. lowest local preference
D. highest local preference

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单项选择题

After evaluating the BGP attributes (AS Path, Local Preference, MED, and Origin) there are four additional route selection techniques used as tie-breakers.
In which order are these applied?（）

A. prefer EBGP over IBGP, prefer routes from the lowest RID, prefer routes with lowest IGP metric
B. prefer routes from the lowest RID, prefer routes with lowest IGP metric, prefer EBGP over IBGP
C. prefer routes with lowest IGP metric, prefer routes from the lowest RID, prefer EBGP over IBGP
D. prefer EBGP over IBGP, prefer routes with lowest IGP metric, prefer routes from the lowest RID

单项选择题

What is the first step in BGP route selection?（）

A. The local router prefers the route with the shortest AS Path.
B. The local router verifies that it has a route to the BGP Next Hop IP address.
C. The local router prefers the route from the peer with the lowest peer ID address.
D. The local router prefers the route learned from an EBGP peer over a route learned from an IBGP peer.

单项选择题

For which BGP attribute is a higher value preferred?（）

A. Origin
B. Community
C. Local Preference
D. AS Path length