incorrect bandwidth configuration
incorrect LMI configuration
incorrect map statement
incorrect IP address
第1题：
A. Have a backbone area (area 0) with 40 routers and use default routes to reach external destinations
B. Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPF
C. Have less OSPF areas to reduce the need for interarea route summarizations
D. Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2
第2题：
A. All BGP updates that are received on router R 2 will be sent to routers R3 and R4. Routers R3 and R4 will then forward those BGP updates to router R5
B. None of the BGP updates that are received on router R2 will ever be received by router R5
C. All BGP updates that are received on router R2 will not be sent to routers R3 and R4
D. All BGP updates that are received on router R2 will be sent directly to router R5
第3题：
A. You can reach other Level 2 routers.
B. It can reach at least one other defined area.
C. The router is reachable by at least two ES-IS nodes.
D. It has at least one enabled reachable prefix with a valid metric defined.
第4题：
A.Authentication needs to be changed to PAP for both routers.
B.Serial IP addresses of routers are not on the same subnet.
C.Username/password is incorrectly configured.
D.Router names are incorrectly configured.
第5题：
Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated, but they are unable to communicate. The Atlanta router is known to have the correct configuration.Given the partial configurations, identify the fault on the Brevard router that is causing the lack of connectivity？（）
A.incompatible IP address
B.insufficient bandwidth
C.incorrect subnet mask
D.incompatible encapsulation
E.link reliability too low
F.IP/TCP closed
第6题：
Refer to the exhibit. All routers have Protocol Independent Multicast (PIM) enabled interfaces. On the basis of the configuration provided on routers R1 and R2, which router will take on the func tion of rendezvous point (RP) for the multicast network? （）
A. both routers R1 and R2
B. router R1
C. router R2
D. none of the routers since they are not configured with static RP
第7题：
Refer to the exhibit. Router RTA is the hub router for routers RTB and RTC. The Frame Relay network is configured with EIGRP, and the entire network is in autonomous system 1. However,router RTB a nd RTC are not receiving each other‘s routes. What is the solution?（）
A.Check and change the access lists on router RTA
B.Configure the auto summary command under router eigrp 1 on router RTA
C.Configure subinterfaces on the spoke routers and assig n different IP address subnets for each subinterface
D.Issue the no ip split horizon command on router RTA
E.Issue the no ip split horizon eigrp 1 command on router RTA
F.Configure a distribute list on router RTA that allows it to advertise all r outes to the spoke routers
第8题：
An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）
A. Router routes traffic between different networks and a switch does not
B. The new switch is faulty and needs to be replaced and configured correctly
C. The firewall needs to be setup to allow traffic to reach the Internet
D. The switch needs to be setup to forward data traffic to the Internet
第9题：
A.incorrect bandwidth configuration
B.incorrect LMI configuration
C.incorrect map statement
D.incorrect IP address
第10题：
When an OSPF design is planned, which implementation can help a router not have memory resource issues?（）