A. AS - path
B. next - hop
C. MED
D. weight
E. local preference
F. origin
Within a BGP confederation how are routing loops avoided?()A. split horizonB. the AS-path attributeC. the BGP cluster ID attributeD. the BGP originator ID attribute
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Which mechanism does External BGP use to prevent the formation of routing loops?()A. AS pathB. Split horizonC. Poison reverseD. Unicast RPF check
Which message is used to transport routing information between BGP peers?()A. OpenB. ActiveC. UpdateD. Keepalive
When the BGP path selection process is being performed on a Cisco router, which BGP attribute is used first when determining the best path?()A. local preferenceB. MEDC. weightD. or iginE. next - hopF. AS - path
Which BGP attribute is used by BGP to prevent routing loops?（）A、AS - pathB、next - hopC、MEDD、weightE、local preferenceF、origin
Which BGP community is used to prevent the advertisement of the BGP prefix to other BGP peers？（）A、additiveB、noneC、no-exportD、no-advertiseE、local-as
When the BGP path selection process is being performed on a Cisco router, which BGP attribute is used first when determining the best path?（）A、local preferenceB、MEDC、weightD、or iginE、next - hopF、AS - path
