單項(xiàng)選擇題

Refer to the exhibit.Assuming that the entire network topology is shown, what is the operational status of the interfaces of R2 as indicated by the command output shown?（）

A.One interface has a problem.
B.Two interfaces have problems.
C.The interfaces are functioning correctly.
D.The operational status of the interfaces cannot be determined from the output shown.


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1.單項(xiàng)選擇題

Refer to the exhibit.which address and mask combination a summary of the routes learned by EIGRP?（）

A.192.168.25.0255.255.255.240
B.192.168.25.16255.255.255.252
C.192.168.25.0255.255.255.252
D.192.168.25.28255.255.255.240
E.192.168.25.16255.255.255.240

4.單項(xiàng)選擇題

Refer to the exhibit.Based on the exhibited routing table,how will packets from a host within the 192.168.10.192/26 LAN be forwarded to 192.168.10.1?（）

A.TherouterwillforwardpacketsfromR3toR2toR1
B.TherouterwillforwardpacketsfromR3toR1
C.TherouterwillforwardpacketsfromR3toR1toR2
D.TherouterwillforwardpacketsfromR3toR2toR1ANDfromR3toR1

5.多項(xiàng)選擇題Which characteristics are representative of a link-state routing protocol?（）

A.provides common view of entire topology
B.exchanges routing tables with neighbors
C.calculates shortest path
D.utilizes event-triggered updates
E.utilizes frequent periodic updates