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Cisco CCNA 640-802试题(6-10)

2007-12-19 09:43 佚名 51CTO.com 字号:T | T
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本文内容为Cisco CCNA认证考试640-802(6-10)试题及答案。

AD:

6. The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following

statements is true concerning this command?

A. This command should be executed from the global configuration mode.

B. The IP address 10.121.16.8 is the local router port used to forward data.

C. 102 is the remote DLCI that will receive the information.

D. This command is required for all Frame Relay configurations.

E. The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC.

Answer: E

7. Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server?

A. denial of service

B. brute force

C. reconnaissance

D. Trojan horse

Answer: A

8. Which of the following are associated with the application layer of the OSI model? (Choose two.)

A. ping

B. Telnet

C. FTP

D. TCP

E. IP

Answer: BC

9. For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists?

A. IP

B. ICMP

C. TCP

D. UDP

Answer: B

10. Refer to the exhibit. The network administrator has created a new VLAN on Switch1 and added host C and host D. The administrator has properly configured switch interfaces FastEthernet0/13 through FastEthernet0/24 to be members of the new VLAN. However, after the network administrator completed the configuration, host A could communicate with host B, but host A could not communicate with host C or host D. Which commands are required to resolve this problem?

A. Router(config)# interface fastethernet 0/1.3

Router(config-if)# encapsulation dot1q 3

Router(config-if)# ip address 192.168.3.1 255.255.255.0

B. Router(config)# router rip

Router(config-router)# network 192.168.1.0

Router(config-router)# network 192.168.2.0

Router(config-router)# network 192.168.3.0

C. Switch1# vlan database

Switch1(vlan)# vtp v2-mode

Switch1(vlan)# vtp domain cisco

Switch1(vlan)# vtp server

D. Switch1(config)# interface fastethernet 0/1

Switch1(config-if)# switchport mode trunk

Switch1(config-if)# switchport trunk encapsulation isl

Answer: A

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