多项选择题
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
相关考题
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单项选择题
You are a network techn ician, study the exhibit carefully. All multilayer switches are running PIM sparse mode. Host CKB and Host CKF are sending IGMPv2 join messages to their respective multilayer switches. Which description is correct?（）
A. Switches 1, 2, 3, and 6 will part icipate in the multicast tree once pruning has taken place.
B. Switches 2 and 6 will participate in the multicast tree once pruning has taken place.
C. Switches 1, 2, 3, and 6 will participate in the multicast tree.
D. The multicast server is the rendez vous point of the multicast tree. -
多项选择题
Which two statements about the IS -IS routing protocol are true?（）
A. IS - IS is capable of supporting IPv4 and IPv6.
B. IS - IS is only capable of supporting IPv4 and CLNS.
C. IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.
D. IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.
E. Level 1 routers learn about paths within the area of which they are a part.
F. Level 2 routers learn about paths both within areas and between areas. -
单项选择题
Refer to the exhibit. OSPF has been configured on all routers in the network. However, router R1 does not receive a default route to router R2 as in tended. Which configuration change would ensure that R1 would receive a default route from R2? （）
A. Add the area 1 stub command on routers R1.
B. Add the always keyword to the default - information originate configuration command on router R2.
C. Remov e the default information originate configuration command from router R2 and place it on router R1.
D. Add the ip route 5.0.0.0 255.255.255.0 0.0.0.0 command to router R2.
