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Cisco CCNA 640-802试题(46-50)

2007-12-24 11:17 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(46-50)试题及答案。

AD:

46. The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems? (Choose two.)

A. Configure the gateway on Host A as 10.1.1.1. B. Configure the gateway on Host B as 10.1.2.254.
C. Configure the IP address of Host A as 10.1.2.2.
D. Configure the IP address of Host B as 10.1.2.2.
E. Configure the masks on both hosts to be 255.255.255.224.
F. Configure the masks on both hosts to be 255.255.255.240.

Answer: BD

47. Which three statements are correct about RIP version 2? (Choose three.)

A. It has the same maximum hop count as version 1.
B. It uses broadcasts for its routing updates.
C. It is a classless routing protocol.  TestInside    640-802 
D. It has a lower default administrative distance than RIP version 1.
E. It supports authentication.
F. It does not send the subnet mask in updates.

Answer: ACE

48. What should be part of a comprehensive network security plan?

A. Allow users to develop their own approach to network security.
B. Physically secure network equipment from potential access by unauthorized individuals.
C. Encourage users to use personal information in their passwords to minimize the likelihood of passwords being
forgotten.
D. Delay deployment of software patches and updates until their effect on end-user equipment is well known and
widely reported.
E. Minimize network overhead by deactivating automatic antivirus client updates.
Answer: B

49. How should a router that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?

A. Configure a separate sub-interface for each PVC with a unique DLCI and subnet assigned to the sub-interface.
B. Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic.
C. Configure many sub-interfaces on the same subnet.
D. Configure a single sub-interface to establish multiple PVC connections to multiple remote router interfaces.
Answer: A


50. Which two statements best describe the wireless security standard that is defined by WPA? (Choose two.)

A. It specifies use of a static encryption key that must be changed frequently to enhance security.
B. It requires use of an open authentication method.
C. It specifies the use of dynamic encryption keys that change each time a client establishes a connection.
D. It requires that all access points and wireless devices use the same encryption key.
E. It includes authentication by PSK.  

Answer: CE

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