The maximum number of routers per OSPF area typically depends on which three factors？（）

A.QoS

B.callsetupandteardown

C.callrouting

D.callsupervision

E.audiosignalcompression

PF database. Which two options a re valid checks that should be performed first to verify proper OSPF operation?（）

A. Are the ASBRs trying to redistribute the external routes into a totally stubby area?

B. Are the ABRs configured with stubby areas?

C. Is the subnets keyword being used with the redistribution command?

D. Is backbone area (area 0) contiguous?

E. Is the CPU utilization of the routers high?

A. All OSPF routers in stubby areas can have type 3 LSAs in their database.

B. All OSPF routers in stubby areas can have type 7 LSAs in their database.

C. All OSPF routers in totally stubby areas can have type 3 LSAs in their database.

D. All OSPF routers in totally stubby areas can have type 7 LSAs in their database.

E. All OSPF routers in NSSA areas can have type 3 LSAs in their database.

F. All OSPF routers in NSSA areas can have type 7 LSAs in their database.

A.Anyprotectedsubnetsthatareenteredrepresentsubnetsattheenduser’ssitethatwillbeaccessedwithoutgoingthroughtheencryptedtunnel.

B.Anyprotectedsubnetsthatareenteredrepresentsubnetsattheenduser’ssitethatwillbeaccessedthroughtheencryptedtunnel.

C.AnyprotectedsubnetsthatareenteredrepresentsubnetsattheVPNserversitethatwillbeaccessedwithoutgoingthroughtheencryptedtunnel.

D.AnyprotectedsubnetsthatareenteredrepresentsubnetsattheVPNserversitethatwillbeaccessedthroughtheencryptedtunnel.

A. OSPF process ID

B. OSPF router ID

C. OSPF network type

D. OSPF memory usage

E. OSPF CPU utilization

F. OSPF stub area configurations

A. VTP allows routing between VLANs.

B. VTP allows a single switch port to carry information to more than one VLAN.

C. VTP allows physically redundant links while preventing switching loops.

D. VTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.

E. VTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.

F. VTP enhances security by preventing unauthorized hosts from connecting to the VTP domain.

lan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configuration s are correct for generating type 3 LSAs?（）

A. Internal routers within the backbone area (area 0)

B. Internal routers within the NSSAs

C. Internal routers within the stubby areas

D. ASBRs

E. ABRs

F. DRs and BDRs

student computers are currently on the same network. The faculty are concerned about students being able to capture packets going across the network and obtain sensitive material. What could a network administrator do to protect faculty network traffic from student connections?（）

A. Install anti-virus software on the student computers.

B. Put the faculty computers in a separate VLAN.

C. Power down the switches that connect to faculty computers when they are not in use.

D. Remove the student computers from the network and put them on a peer-to-peer network.

E. Create an access list that blocks the students from the Internet where the hacking tolls are located.

A.Theroute-targetboth100：2commandsetsimportandexportroute-targetsforvrf2.

B.Theroute-targetboth100：2commandchangesaVPNv4routetoaIPv4route.

C.Theroute-targetimport100：1commandsetsimportroute-targetsroutesspecifiedbytheroutemap.

D.Theroute-targetimport100：1commandsetsimportroute-targetsforvrf2thatoverridetheotherroute-targetconfiguration.

A. The neighbor‘s advertised distance must be less than or equal to the feasible distance of the current successor.

B. The neighbor‘s advertised distance must be less than the f easible distance of the current successor.

C. The neighbor‘s advertised distance must be greater than the feasible distance of the current successor.

D. The neighbor‘s advertised distance must be equal to the feasible distance of the current successor .

E. The neighbor‘s advertised distance must be greater than or equal to the feasible distance of the current successor.