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Cisco 640-802
Cisco Certified Network Associate (CCNA)
Q&A V 14 (252Q&A)
56CT翻译小组翻译原创作品
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1. What are two reasons that a network administrator would use access lists? (Choose two.)
两种理由,网络管理员会使用访问列表?
A. to control vty access into a router
过VTY访问路由器
B. to control broadcast traffic through a router
广播流量穿越路由器
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C. to filter traffic as it passes through a router
越路由器的流量
D. to filter traffic that originates from the router
过滤源自路由器的流量
E. to replace passwords as a line of defense against security incursions
用来重置密码以防御攻击
Answer: AC
2. A default Frame Relay WAN is classified as what type of physical network?
默认的帧中继
WAN被分类为哪种物理网络类型?
A. point-to-point
B. broadcast multi-access
B.广播多路访问
C. nonbroadcast multi-access
C.非广播多路访问
D. nonbroadcast multipoint
D.非广播多点
E. broadcast point-to-multipoint
点到多点
Answer: C
3. A single 1g access point has been configured and installed in the center of a square office.
A few wireless users are experiencing slow performance and drops while most users are operating
at peak efficiency. What are three likely causes of this problem? (Choose three.)
接入点被部署在一个方形办公室的中央,当大多数用户在大流量传输数据时,
一些无线用户发现无线网络变得缓慢和出现丢包
A. mismatched TKIP encryption
B. null SSID
C. cordless phones
D. mismatched SSID
E. metal file c
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