您所在的位置:读书频道 > 考试认证 > 思科 > CCNA 640-802 V14 题库(81-85)

CCNA 640-802 V14 题库(81-85)

2008-07-17 10:36 佚名 51CTO.com 字号:T | T
一键收藏,随时查看,分享好友!

本文内容为Testinside CCNA 640-802 V14 最新题库(81-85)试题及答案。

AD:

81. Refer to the exhibit. Hosts on the same VLAN can communicate with each other but are unable tocommunicate with hosts on different VLANs. What is needed to allow communication between VLANs?

  

A. a switch with a trunk link that is configured between the switches

B. a router with an IP address on the physical interface that is connected to the switch

C. a switch with an access link that is configured between the switches

D. a router with subinterfaces configured on the physical interface that is connected to the switch

Answer: D

82. Why would a network administrator configure port security on a switch?

A. to prevent unauthorized Telnet access to a switch port

B. to limit the number of Layer 2 broadcasts on a particular switch port

C. to prevent unauthorized hosts from accessing the LAN

D. to protect the IP and MAC address of the switch and associated ports

E. to block unauthorized access to the switch management interfaces over common TCP ports

Answer: C

83. The show interfaces serial 0/0 command resulted in the output shown in the graphic. What are possible causesfor this interface status? (Choose three.)

  

A. The interface is shut down.

B. No keepalive messages are received.

C. The clockrate is not set.

D. No loopback address is set.

E. No cable is attached to the interface.

F. There is a mismatch in the encapsulation type.

Answer: BCF

84. Refer to the exhibit. The FMJ manufacturing company is concerned about unauthorized access to the PayrollServer. The Accounting1, CEO, Mgr1, and Mgr2 workstations should be the only computers with access to thePayroll Server. What two technologies should be implemented to help prevent unauthorized access to the server?(Choose two.)

  


A. access lists

B. encrypted router passwords

C. STP

D. VLANs

E. VTP

F. wireless LANs

Answer: AD

85. A network administrator is troubleshooting the OSPF configuration of routers R1 and R2. The routers cannot establish an adjacency relationship on their common Ethernet link. The graphic shows the output of the show ipospf interface e0 command for routers R1 and R2. Based on the information in the graphic, what is the cause of this problem?

 

A. The OSPF area is not configured properly.

B. The priority on R1 should be set higher.

C. The cost on R1 should be set higher.

D. The hello and dead timers are not configured properly.

E. A backup designated router needs to be added to the network.

F. The OSPF process ID numbers must match.

Answer: D

【责任编辑:夏书 TEL:(010)68476606】

回书目   上一节   下一节

分享到:

关于CCNA  认证考试  640-802  V14  最新题库的更多文章

  1. Linux服务器配置全程实录
  2. 揭秘--优秀PPT这样制作

热点职位

更多>>

热点专题

更多>>

读书

跨越网络工程师必备训练
本书是根据全国计算机技术与软件专业资格(水平)考试“网络工程师级考试大纲”编写的考试辅导用书。全书主体按考试大纲的章节编

最新热帖

更多>>

51CTO旗下网站

领先的IT技术网站 51CTO 中国首个CIO网站 CIOage 中国首家数字医疗网站 HC3i 51CTO学院 区块链第一聚合媒体 zhijiapro