H12-831_V1.0 試験問題を無料オンラインアクセス

On the OSPFv3 network shown in the figure, the LSDB of R2 contains ____ Router-LSAs. (Enter only digits.)

After port isolation is configured on a switch, hosts in the same VLAN cannot communicate with each other at Layer 2 or Layer 3 by default.

• A.TRUE
• B.FALSE

An enterprise deploys iBGP across three routers (R1, R2, R3) within the same AS. R1 learns a route from an eBGP neighbor and successfully advertises it to R2. However, R3 does not receive the route from R2. All BGP sessions are established and stable. What is the most likely cause?

• A.Missing default route
• B.iBGP split-horizon rule
• C.BGP synchronization enabled
• D.Missing next-hop-self on R1

VLAN aggregation is configured on a switched network. Sub-VLAN 2 and Sub-VLAN 3 are added to Super-VLAN 10. To enable hosts in different sub-VLANs to communicate with each other, run the following command in the VLANIF 10 view corresponding to the Super-VLAN. (Enter lowercase letters.)

The display startup command can be used to view the system software and configuration files related to the current and next startup of the device, and to see the save paths of these files.

• A.True
• B.False