LAN（Local Area Network，局域网）业务主要采用以太网技术，以信息化小区的形式为用户服务。

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• In which area of the campus LAN are the user computers attached to the network?（）

  A . core B . access C . distribution D . aggregatio

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• Wide Area Network (WAN) is a computer network that covers a broad areA. Which statement is correct for wide-area network (WAN)?（）

  A . Limited in a single building, a group of buildings, or even a single room B . Crosses metropolitan, regional, or national boundaries C . Encompasses an entire city or metropolitan area and connects multiple local-area networks (LANs) D . Connects client devices wireless protocol

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• VLAN（Virtual Local Area Network）即虚拟局域网是一种通过将局域网内的设备逻辑而不是物理划分成一个个网段从而实现虚拟工作组的技术。

  A . 正确 B . 错误

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• The LAN needs are expanding at the Testking corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the TestKing network.Which of the following are layer 1 devices that you can use?（）

  A . A switch. B . A router. C . A network adapter card. D . A hub. E . A repeater.

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• 虚拟局域网，VLAN是英文Virtual local Area Network的缩写，是指网络中的站点不拘泥于所处的物理位置，而可以根据需要灵活地加入不同的逻辑子网中的一种网络技术。常用的组网方式有（）。

  A . 用交换机端口号定义虚拟局域网； B . 用MAC地址定义虚拟局域网； C . 用网络层地址定义虚拟局域网； D . 依据IP组播划分虚拟局域网。

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• What are two benefits of using a single OSPF area network design?（）

  A . it reduces the number of required OSPF neighbor adjacencies B . It reduces the types of LSAs that are generated C . It is less CPU intensive for routers in the single area D . It increases LSA response times. E . It removes the need for virtual link

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• 无线局域网（Wireless Local Area Network）是以射频（）通信技术构建的局域网，虽不采用缆线，但也能提供传统有线局域网的所有功能。

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• 英译中：Local Area Network

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• WLAN是Wireless Local Area NetWork的缩写，中文名称为（），指应用无线通信技术将计算机设备互联起来，客户可通过（）、（）、PDA、（）等终端以WLAN随时随地接入互联网和企业网，获取信息、娱乐或进行办公。

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• 局域网LAN（Local Area Network）的传输方式一般采用交换方式。

  A . 正确 B . 错误

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• You are attempting to troubleshoot some problems within your local network.Which of the following are router IOS commands that can be used to troubleshoot LAN connectivity problems?（）

  A . ping B . tracert C . ipconfig D . show ip route E . winipcfg F . show interfaces G . All of the above

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• For which of the following campus LAN area is the Cisco Catalyst Express 500 Series Switch most suitable?（）

  A . Backbone Area B . Access Area C . Core Area D . Distribution Area

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• Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment?（）

  A . Switch B . Router C . NIC D . hub E . Repeater F . RJ-45 transceiver

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• 两台MSR路由器分别通过以太网、串行接口相连，如图所示。串行链路上运行PPP链路层协议，两台路由器上运行了OSPF，而且都属于Area 0，同时在Area 0中通过network命令发布了每台路由器上的三个网段（GE 接口网段、串行接口网段、LAN 网段）；目前两端OSPF 邻居状态稳定，那么（）https://assets.asklib.com/images/image2/201807121545144504.jpg

  A . 如果没有修改OSPF Cost值，那么RTA到达RTB的LAN网段将优选GE链路 B . 只要正确修改两台路由器GE 接口和串行接口的OSPF Cost值，那么在RTA、RTB上将能形成到达对方LAN的两条等值路由 C . 在GE链路上，RTA、RTB依然会进行DR、BDR的选举 D . 以上说法均正确

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• 英文“local area network”的含义是“（）”。

  A . A、广域网 B . B、虚拟专网 C . C、信号网 D . D、局域网

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• Which of the following answers are correct characteristics of microsegmentation, in the context of a Local Area Network (LAN)?（）

  A . Dedicated paths between sending and receiving hosts are established. B . Multiple subnetwork broadcast addresses are created. C . Multiple ARP tables are needed. D . The decrease in the number of collision domains. E . Broadcast domains are enhanced. F . Additional bandwidth is used to connect hosts.

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• Traditionally, local midwives would __________ all the babies in the area.

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• Regional anesthesia takes away the sensation with a larger area of the body than local anesthesia.

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• Ethernet is the commonly used local area network communication protocol. The standard of Ethernet is the commonly used local area network communication protocol. The standard of Ethernet is __（）__.

  A．IEEE 802．1 B．IEEE 802．2 C．IEEE 802．3 D．IEEE 802．11

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• In PTN network, any area Border Router （ABR) in Area0 domain can carry （)non-Area0 at

  A．A.2 B．B.3 C．C.4 D．D.6

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• 英文“local area network”的含义是（）

  A．广域网 B．虚拟专网 C．信号网 D．局域网

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• 在路由器配置模式下，输入 network 192.168.10.1 0.0.0.0 area 0 命令的作用是什么？（)

  A．IPv4 地址为 192.168.10.1 的接口是被动接口 B．OSPF 通告将包括 IPv4 地址为 192.168.10.1 的接口上的网络 C．这一命令无效，因为它使用了全零通配符掩码 D．OSPF 通告将包含特定的 IPv4 地址 192.168.10.1

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• The local government ______ food and clothes among the people in the flooded area.

  A．handed out B．handed in C．passed by D．passed away

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• Your company has a server named Server1 that runs a Server Core installation of Windows Server 2008 R2, and the DNS Server server role. Server1 has one network interface named Local Area Connection. The static IP address of the network interface is configured as 10.0.0.1. You need to create a DNS zone named local.contoso.com on Server1.Which command should you use？（）

  A. ipconfig /registerdns:local.contoso.com B. dnscmd Server1 /ZoneAdd local.contoso.com /DSPrimary C. dnscmd Server1 /ZoneAdd local.contoso.com /Primary /file local.contoso.com.dns D. netsh interface ipv4 set dnsserver name=±local.contoso.co¡± static 10.0.0.1 prima

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