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 router first 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.

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热门试题

单项选择题Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?（）

A. An Adjacency forms.
B. An Adjacency does not form.
C. An Adjacency forms but traffic is not forwarded.
D. No IS-IS PDUs are sent.

单项选择题What command would you use to view an IS-IS adjacency?（）

A. show iso neighbor
B. show isis neighbor
C. show iso adjacency
D. show isis adjacency

单项选择题How do you enable interface fe-0 0 0 under the [edit protocols isis] level to form both a Level 1 and Level 2 adjacency?（）

A. set interface fe-0/0/0.0
B. set interface fe-0/0/0.0 all level
C. set interface fe-0/0/0.0 level 3 enable
D. set interface fe-0/0/0.0 level 1 level 2

单项选择题How often are IS-IS Hello packets transmitted?（）

A. 3 seconds for DIS; 9 seconds for non-DIS
B. 9 seconds for DIS; 3 seconds for non-DIS
C. 10 seconds for DIS; 3 seconds for non-DIS
D. 10 seconds for all routers

多项选择题What are the three components of the ISO NET address?（）

A. Area ID
B. N-selector
C. System ID
D. AS number
E. ISO number
F. MAC address