[单项选择]To securely transport EIGRP traffic, a network administrator will build VPNs between sites. What is the best method to accomplish the transport of EIGRP traffic?（）
A. IPSec in tunnel mode
B. IPSec in transport mode
C. GRE with IPSec in transport mode
D. GRE with IPSec in tunnel mode

[单项选择]To securely transport EIGRP traffic, a network administrator will build VPNs between sites. What is the best method to accomplish the transport of EIGRP traffic?（）
A. IPSec in tunnel mode
B. IPSec in transport mode
C. GRE with IPSec in transport mode
D. GRE with IPSec in tunnel mode

[单项选择]To securely transport EIGRP traffic， a network administrator will build VPNs between sites. Whatis the best method to accomplish the transport of EIGRP traffic？（）
A.  IPSec in tunnel mode
B.  IPSec in transport mode
C.  GRE with IPSec in transport mode
D.  GRE with IPSec in tunnel mode

[单项选择]A router learns about a remote network from EIGRP, OSPF, and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network（）。
A. The router will use the static route.
B. The router will use the OSPF route.
C. The router will use the EIGRP route.
D. The router will load balance and use all three routes.

[单项选择]A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）
A. The router will use the static route.
B. The router will use the OSPF route.
C. The route will use the EIGRP route.
D. The router will load balance and use all three routes.

[单项选择]A network administrator is troubleshooing an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?（）
A. Router# show ip eigrp adjacency
B. Router# show ip eigrp topology
C. Router# show ip eigrp interfaces
D. Router# show ip eigrp neighbors

[单项选择] EIGRP performs automatic summarization at network boundaries. What administrative distance is given to these EIGRP summary routes?（）
A. 1
B. 90
C. 95
D. 0
E. 5
F. 170
G. 255
H. None of the other alternatives apply

[简答题]EIGRP中traffic-share balanced命令是什么意思？

[单项选择] A network includes a RIPv2 domain, an EIGRP domain, and an OSPF domain. Each pair of routing domains has multiple routers redistributing routes between the p air of domains. The design requires that the redistribution configuration avoid matching based on prefix/length because of the trouble in maintaining such configurations. Which one of the following tools can be used in all three routing domains to attem pt to prevent domain loops?（）
A. Setting route tags
B. Setting the default administrative distance differently for internal and external routes
C. Setting administrative distance differently per route
D. Setting metrics much higher for all ext ernal routes than for all internal routes

[单项选择] You work as a network administrator for Tailspintoys.com. Your job responsibilities include supporting company servers. The Tailspintoys.com network hosts a Web server that runs on a single server namedWebsrv1. Recently， traffic to the Web site has been increasing， and the performance of the Web serverhas been deteriorating. Traffic to the Web site is expected to continue to increase over the next five toeight years. You want a solution that can solve the performance problems of the Web server and meet theincreasing workload requirements for the Web site for the next five to eight years. What should you do？（）
A. Migrate the Web site to a more powerful server.
B. Use NLB to create a Web farm to support the Web site.
C. Use failover clustering to support the Web site with multiple servers in a cluster.
D. Add a second Web server， and then use DNS round-robin to distribute Web requests between the twoservers. Add more servers as necessary.

[多项选择]n your Cisco EIGRP network， you notice that the neighbor relationship between two of your routers was recently restarted. Which two of these choices could have made this occur？（）
A. An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
B. The ARP cache was cleared.
C. The counters were cleared.
D. The IP EIGRP neighbor relationship was cleared manually.