BGP best route selection process is based on what ？（）

A . 在本地BGP路由表中生成一条不活跃的缺省路由，但不下发给IP路由表 B . 在本地BGP路由表中生成一条活跃的缺省路由，并下发给IP路由表 C . 无影响，不在本地BGP路由表中生成缺省路由 D . 在本地BGP路由表中生成一条缺省路由，根据路由选择结果下发给IP路由表

A . PREFERRED-VALUE B . AS_PATH C . ORIGIN D . MED E . COMMUNITY

A . 正确 B . 错误

A . Local-Preference B . TAG C . MED D . AS-Path

A . Local-Preference B . AS-Path C . TAG D . Community

A . 0 B . 1 C . 10 D . 200

A . Clusters are used in confederation schemes to avoid loops. B . BGP network can have a confederation within a route reflector area. C . An internal BGP network cannot have a route reflector within a confederation. D . An internal BGP network can have a route reflector within a confederation. E . Clusters are used in route reflector schemes to avoid loops. F . BGP network cannot have a confederation within a route reflector area.

A . import-route命令只能讲IGP路由，静态路由引入BGP B . 当引入路由协议为RIP时，必须制定进程号 C . 缺省情况下，引入路由的origin值为IGP D . 不能使用路由策略过滤从其他路由协议引入的路由

A . the agent who has been in the Available state for the longest amount of time   B . the next available agent with the highest priority, as determined by the agent order in the Resources list C . the next available agent, based on the last agent selected and the agent order in the Resources list   D . the agent assigned to the selected Resource Group and is thus qualified to be selected

A . BGP route-reflector should be in forwarding path of data coming from its clients B . BGP route-reflector does not have to be in the forwarding path of data coming from its clients C . BGP route-reflector will stop reflecting the routes if they’re not directly-connected clients D . None of the above

A . True B . False

A . Route reflectors are not passing updates properly. B . BGP synchronization has been enabled. C . The next-hop address is unreachable. D . No loopback interface has been configured on a router.

A . 200 B . 0 C . 1 D . 10

A . AS - path B . next - hop C . MED D . weight E . local preference F . origi

A . 可以用此命令引入OSPF路由TestInside GB0-283 B . 可以用此命令引入OSPF外部路由 C . 可以用此命令引入Static路由 D . 可以用此命令引入直连路由

A . A BGP router can only advertise an EBGP learned route， provided that the route is an IGP route in the routing table. B . A BGP router can only advertise an IBGP learned route， provided that the route is an IGP route in the routing table. C . A BGP router can only advertise an IBGP learned route， provided that the route is an IGP route that is not in the routing table. D . A BGP router can only advertise an EBGP learned route， provided that the route is a metric of 0 in the BGP table.

A . 22 B . 11 C . 1 D . None

A . filter-list B . inbound ACL C . route-map D . outbound ACL E . prefix-list F . neighbor 10.0.0.1 deny-map my-map command

A . weight B . local preference C . origin D . AS_path E . next ho

A. To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50 B. Th e router will prefer the shortest autonomous system path C. If the command bgp always - compare - med has been given, then the router will prefer the route with the highest MED D. The router will prefer the route with the lower MED

A．local-Preference B．tag C．MED D．S-PATH

A. Route 1 is the best route. B. Route 2 is the best route. C. The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers . D. Neither route is considered best.