多項(xiàng)選擇題

What information does a router running a link-state protocol use to build and maintain its topological database？（）

A. hello packets
B. SAP messages sent by other routers
C. LSAs from other routers
D. beacons received on point-to-point links
E. routing tables received from other link-state routers
F. TTL packets from designated routers

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單項(xiàng)選擇題

Refer to the exhibit.HostA cannot ping HostB.Assuming routing is properly configured，what could be thecause of this problem？（）

A.HostA is not on the same subnet as its default gateway
B.The address of SwitchA is a subnet address
C.The Fa0/0 interface on RouterA is on a subnet that cannot be used
D.The serial interfaces of the routers are not on the same subnet
E.The Fa0/0 interface on RouterB is using a broadcast address

單項(xiàng)選擇題

As a network administrator, you have been instructed to prevent all traffic originating on the LAN from entering the R2 router. Which the following command would implement the access list on the interface of the R2 router?（）

A.access-list 101 in
B.access-list 101 out
C.ip access-group 101 in
D.ip access-group 101 out

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What information does a router running a link-state protocol use to build and maintain its topological database？ （）

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Refer to the exhibit.HostA cannot ping HostB.Assuming routing is properly configured，what could be thecause of this problem？（）

As a network administrator, you have been instructed to prevent all traffic originating on the LAN from entering the R2 router. Which the following command would implement the access list on the interface of the R2 router?（）

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What information does a router running a link-state protocol use to build and maintain its topological database？（）

Refer to the exhibit.HostA cannot ping HostB.Assuming routing is properly configured，what could be thecause of this problem？（）