JN0-351 無料問題集「Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT)」

（A）At least three routers are required for a DR/BDR election

（B）R1 will be the BDR.

（C）Router IDs must match for an adjacency to form.

（D）R2 will be the BDR.

（A）Redundant trunk groups use spanning tree to provide loop-free redundant uplinks.

（B）If the active link fails, then the secondary link automatically takes over.

（C）Layer 2 control traffic is permitted on the secondary link.

（D）Redundant trunk groups load balance traffic across two designated uplink interfaces.

（A）The BFD liveness is set too high.

（B）The BFD liveness is set too low.

（C）The BFD liveness must be configured on the BGP group.

（D）The BFD liveness must be configured on the BGP neighbor.

（A）Aggregate routes can only be used for static routing but not for dynamic routing protocols.

（B）Aggregate routes are always preferred over more specific routes, even when the specific routes have a better path.

（C）Aggregate routes are automatically generated for all of the subnets in a routing table.

（D）Aggregate routes are used for advertising summarized network prefixes.

（A）The interface is active.

（B）The interface is down.

（C）All interfaces have elected a root bridge.

（D）The switch ports have a router attached.

（A）1496 bytes

（B）1476 bytes

（C）1480 bytes

（D）1500 bytes

（A）ISP 3

（B）ISP 4

（C）ISP 2

（D）ISP1