单选题What is the first step in BGP route selection?（）AThe local router prefers the route with the shortest as-path.BThe router first verifies that it has a route to thebgp Next Hop IP address.CThe local router prefers the route from the peer with the lowest peerid address.DThe local router prefers the route learned from anebgp peer over a route learned from anibgp peer.
单选题
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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单选题A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values. Which statement is true about how BGP would select the best path?（）ATo influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50BTh e router will prefer the shortest autonomous system pathCIf the command bgp always - compare - med has been given, then the router will prefer the route with the highest MEDDThe router will prefer the route with the lower MED
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单选题The fol lowing line of output was extracted from the output of the show ip bgp command on Router R1. Which of the following can be determined from this output?（） Network Next Hop Metric LocPrf Weight Path * 130.1.1.0/28 1.1.1.1 0 1 2 3 4 iAThe route is learne d from an eBGP peerBThe route has no more than three ASNs in the AS_PatHCThe route is the best route for this prefixDNone of these facts can be positively determined by this output
单选题You have been asked to configure your MX240 with a default route toward your upstream ISP at IP address 192.168.100.1. Which command successfully completes this task?（）Auser@router# set routing-options static route 0.0.0.0/0 next-hop 192.168.100.1Buser@router# set routing-options default route 0.0.0.0/0 next-hop 192.168.100.1Cuser@router# set forwarding-options static route 0.0.0.0/0 next-hop 192.168.100.1Duser@router# set protocols default route 0.0.0.0/0 next-hop 192.168.100.1