A. TFTP server, Flash, NVRAM B. ROM, NVRAM, TFTP server C. NVRAM, TFTP server, ROM D. Flash, TFTP server, ROM E. Flash, NVRAM, ROM Answer: D
63. Refer to the output from the show running-config command in the exhibit. What should the administrator do to allow the workstations connected to the FastEthernet 0/0 interface to obtain an IP address?
63. 如图所示网络管理员应该怎么做才能使得工作在计算机连接到FastEthernet 0/0接口获取
IP地址？
A. Apply access-group 14 to interface FastEthernet 0/0. A. 在FastEthernet 0/0接口应用access-group 14。
B. Add access-list 14 permit any any to the access list configuration. B. ACL中添加access-list 14 permit any any
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C. Configure the IP address of the FastEtherent 0/0 interface to 10.90.201.1. C. 配置FastEtherent 0/0的IP地址为10.90.201.1.
D. Add an interface description to the FastEthernet 0/0 interface configuration. D. 给 FastEthernet 0/0 接口添加描述性语句. Answer: C
64. In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?
64.在哪种情况下，同一个单播帧被复制多个在LAN中传输? A. during high traffic periods A. 在流量达到高峰的时候
B. after broken links are re-established B. 在被破坏的链路重新恢复正常的时候。
C. when upper-layer protocols require high reliability C. 当上层的协议需要高可靠性时。
D. in an improperly implemented redundant topology D. 存在不正确的冗余链路。
E. when a dual ring topology is in use E. 在使用环形拓扑的时候。 Answer: D
65. Which of the following describe private IP addresses? (Choose two.) 65.下列哪些是对私有IP地址的描述？（two）
A. addresses chosen by a company to communicate with the Internet A. 公司使用的与互联网联通的地址。
B. addresses that cannot be routed through the public Internet B.在公网上不能被路由的地址。
C. addresses that can be routed through the public Internet C. 在公网上可以被路由的地址。
D. a scheme to conserve public addresses D. 节省公网地址使用的方案。
E. addresses licensed to enterprises or ISPs by an Internet registry organization E. 由一个互联网注册组织授权地址给企业或互联网服务供应商， Answer: BD
66. Refer to the exhibit. A network administrator is adding two new hosts to SwitchA. Which three values could be used for the configuration of these hosts? (Choose three.)
66.根据图示网络管理员在SwitchA上增加两台新主机，用下面那三个选项来配置这些主机？
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A. host 1 IP address: 192.168.1.79 A. host 1 IP 地址: 192.168.1.79
B. host 1 IP address: 192.168.1.64 B. host 1 IP 地址92.168.1.64
C. host 1 default gateway: 192.168.1.78 C. host 1 默认网关: 192.168.1.78
C. host 1 default gateway: 192.168.1.78 D. host 2 IP 地址192.168.1.128 D. host 2 IP address: 192.168.1.128 E. host 2 默认网关192.168.1.129
E. host 2 default gateway: 192.168.1.129 F. host 2 IP 地址192.168.1.190 F. host 2 IP address: 192.168.1.190 Answer: ACF
67. Which of the following statements are true regarding bridges and switches? (Choose 3.) 67.下列关于网桥和交换机的说法哪些是正确的? (Choose 3.)
A. Switches are primarily software based while bridges are hardware based. A. 交换机基于软件，网桥基于硬件。.
B. Both bridges and switches forward Layer 2 broadcasts. B. 网桥和交换机都转发二层广播。
C. Bridges are frequently faster than switches. C. 网桥比交换机速度快。
D. Switches have a higher number of ports than most bridges.. D. 交换机比网桥有更多的端口。
E. Bridges define broadcast domains while switches define collision domains. E. 网桥分割广播域，交换机分割冲突域。
F. Both bridges and switches make forwarding decisions based on Layer 2 addresses. F. 网桥和交换机都通过二层地址转发。 Answer: BDF
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68. Which of the following describes the roles of devices in a WAN? (Choose three.)
68.下列哪些选项正确描述了WAN设备的用途? (Choose three.) （不会整） A. CSU/DSU terminates a digital local loop.
A. CSU/DSU 防止数字本地环路。（注：本题库由56CTO.COM翻译小组原创,转载请注明出 处:bbs.56cto.com）
B. A modem terminates a digital local loop. B. modem防止数字本地环路.
C. A CSU/DSU terminates an analog local loop. C. A CSU/DSU终止一个模拟本地环路
D. A modem terminates an analog local loop. D.一个调制解调器终止一个模拟本地环路
E. A router is commonly considered a DTE device. E. 一台路由器通常是认为是一台DTE设备
F. A router is commonly considered a DCE device. F.一台路由器通常认为是一台DCE设备 Answer: ADE
69. A router receives information about network 192.168.10.0/24 from multiple sources. What will the router consider the most reliable information about the path to that network?
69. 如果一台路由器从多个源那里接收到192.168.10.0/24，那么最可信的路由条目是用什么
标准来判断的?
A. a directly connected interface with an address of 192.168.10.254/24 A. 一个直连接口的IP地址是192.168.10.254/24 B. a static route to network 192.168.10.0/24 B. 有去往192.168.10.0/24的静态路由。
C. a RIP update for network 192.168.10.0/24 C. 从192.168.10.0/24发来的RIP更新包。
D. an OSPF update for network 192.168.0.0/16 D. 从192.168.10.0/24发来的OSPF更新包
E. a default route with a next hop address of 192.168.10.1 E. 一个默认路由的下一跳的IP地址为192.168.10.1
F. a static route to network 192.168.10.0/24 with a local serial interface configured as the next hop F. 一条静态路由为192.168.10.0/24且配置的本地接口为下一跳 Answer: A
70. Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)
70.与LAN相比WAN更喜欢哪种第二层封装? (Choose three.) A. HDLC
B. Ethernet C. Token Ring D. PPP E. FDDI
F. Frame Relay
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Answer: ADF
71. What can be determined from the router output shown in the graphic? 71．从下图的路由器输出可以确定什么？
A. 200.1.1.64 is a default route. A. 200.1.1.64 是默认路由。
B. The output shows that there are three default routes. B. 输出显示有三条默认路由。
C. The output came from router R2. C. 以上是R2的输出
D. The output came from a router that has four physical interfaces. D.以上输出是来自有四个物理接口的路由. E. EIGRP is in use in this network. E.在上图所示网络中使用了EIGRP Answer: E
72. Which additional configuration step is necessary in order to connect to an access point that has SSID broadcasting disabled?
72.哪个附加配置的步骤是必要的为了连接到 SSID 广播关闭的接入点? A. Set the SSID value in the client software to public. A.在客户软件设置 SSID 值公开
B. Configure open authentication on the AP and the client. B.在 AP 和客户配置开放认证
C. Set the SSID value on the client to the SSID configured on the AP.
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