local preference
weight
origin
Network Layer Reachability Information
multiple exit discriminator
第1题：
A. circuit ID
B. VPN label
C. route target
D. VPN number
E. route distinguisher
第2题：
A. Origin
B. AS path
C. Next hop
D. Community
E. Multiple exit discriminator
第3题：
A.MED
B.Origin
C.AS Path
D.Next Hop
E.Aggregator
第4题：
Which three attributes are carried in a source active message?（）
第5题：
which BGP attributes will influence inbound flow？
第6题：
A. TLV 10 Authentication
B. TLV 1 Area Addresses
C. TLV 211 Graceful Restart
D. TLV 137 Dynamic Hostname Resolution
E. TLV 14 ABRs
第7题：
A router is running BGP and receives more than one route for a particular prefix. Assume all the routes for this prefix have the same attributes.Which three path features would be reasons be for the rou ter to ignore some of the routes and not consider them as candidates for the best path?（）
A. paths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATH
B. paths for which the NEXT_HOP is inaccess ible
C. paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATH
D. paths for which the NEXT_HOP is accessible
E. paths that are marked as synchronized in the show ip bgp output
F. paths that are marked as not synchronized in the show ip bgp output
第8题：
A. show route bgp
B. show route extensive
C. show bgp attribute
D. show bgp neighbor
第9题：
Which three IS-IS TLVs are used to support MPLS traffic engineering？ （）
第10题：
Which three BGP attributes are carried by TLV？（）