H12-221-ENU 무료 덤프문제 온라인 액세스

Which description of OSPF route aggregation commands is correct?(Multiple choices)

• A.advertise is the default parameter of the abr-summary command. That is, if you configure the abr-summary command without specifying not-advertise, it defaults to advertise.
• B.The abr-summary command is a command in the OSPF area view.
• C.asbr-summary command is a command in the OSPF view.
• D.not-advertise is the default parameter of the abr-summary command. That is, if the abr-summary command is not specified for advertise or not-advertise, the default is not-advertise.

In an NBMA network, what messages are unicast sending to a message? (Multiple Choice)

• A.DD message
• B.LSR message
• C.LSU message
• D.Hello message

Which of the following is the characteristics of the OSPF stub area?

• A.Any area can be a stub area
• B.AS-external-LSAs can be published in the Stub area.
• C.The route to the outside of the AS can only be based on a default route generated manually by the ABR.
• D.Virtual connections cannot span the Stub area.

When different networks use different routing protocols, and these networks need to share routing information, you can set route import. In BGP, routes can only be routed through the network.

• A.True
• B.False

Which multicast MAC address is used by the Level-1 router as the destination address for sending the IIH in the IS-IS broadcast network?

• A.0100-5E00-0001
• B.0180-c200-0015
• C.0180-c200-0000
• D.0180-c200-0014