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
相似题目
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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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The GMDSS is a world-wide communication network combining（）with（）.
A . satellite /terrestrial system
B . INMAARSAT/COSPAS-SARSAT
C . SART / EPIRB
D . geostationary/polar-orbiting satellite
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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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广域网WAN（Wide Area Net）
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A default Frame Relay WAN is classified as what type of physical network?（）
A . point-to-point
B . broadcast multi-access
C . nonbroadcast multi-access
D . nonbroadcast multipoint.broadcast point-to-multipoint
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英译中：Local Area Network
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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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A default Frame Relay WAN is classified as what type of physical network?（）
A . point-to-point
B . broadcast multi-access
C . nonbroadcast multi-access
D . nonbroadcast multipoint
E . broadcast point-to-multipoint&e
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A virtual storage area network (VSAN) is a collection of ports from a set of connected Fibre Channel switches, that form a virtual fabric. Which technology allows centralized storage services to be shared across different VSANs?（）
A . IVR
B . FSPF
C . FICON
D . SANTa
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Refer to the exhibit. OSPF has been configured on all routers in the network and Area 1 has been configured as a NSSA. Which statement is true about the NSSA Area 1？（）https://assets.asklib.com/images/image2/2018073011483760789.jpg
A . Only redistributed RIP routes will appear in Area 1. They will be advertised via t ype 7 LSAs
B . No redistributed routes can appear in Area 1, only summary routes
C . Redistributed RIP and IGRP routes will appear in Area 1. They will be advertised via type 5 LSAs
D . Only redistributed IGRP routes will appear in Area 1. They will be advertised via type 7 LSA
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两台MSR路由器RTA和RTB通过192.168.1.0/20网段互联，现在对两台路由器执行如下命令： [RTA]ospf1 [RTA-ospf-1]area 0 [RTA-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255 [RTB]ospf 100 [RTB-ospf-100]area 1 [RTB-ospf-100-area-0.0.0.1]network 192.168.1.0 0.0.0.255 从以上配置可以判断（）。
A . RTA和RTB可以建立OSPF邻居关系
B . RTA和RTB不可以建立OSPF邻居关系，若将areaID配置成一致，就可以建立OSPF邻居关系
C . RTA和RTB不可以建立OSPF邻居关系，若将OSPF进程号配置成一致，就可以建立OSPF邻居关系
D . RTA和RTB不可以建立OSPF邻居关系，必须将OSPF进程号和areaID都配置成一致，才可以建立OSPF邻居关系
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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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A virtual storage area network （VSAN） is a collection of ports from a set of connected FibreChannel switches， that form a virtual fabric. Which technology allows centralized storage services to be shared across different VSANs？（）
A . IVR
B . FSPF
C . FICON
D . SANTa
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Area Border Router （ABR） is a router located on the border of one or more OSPF areas that connect those areas to the backbone network. An ABR will inject a default route into which two types of areas？（）
A . Area 0
B . NSSA
C . Totally stubby
D . Stu
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A new asynchronous connection is being installed in your network. Which pair of WAN encapsulations types is suitable for asynchronous lines?（）
A . PPP and ATM
B . PPP and SDLC
C . ATM and HDLC
D . SDLC and HDLC
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SDLC was invented by IBM to replace the older Bisynchronous protocol for wide area connections between IBM equipment. A varietion of the(71)protocol called NRM is essentially the same as SDLC.
SDLC is(72)protocol like HDLC, Frame. Relay or X.25.An SDLC network is made up of(73)that controls all communications, and(74).It is capable of(75).operation, but almost all practical applications are strictly half duplex.
A．HDLC
B．Frame. Relay
C．X.25
D．X.21
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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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A virtual storage area network （VSAN) is a collection of ports from a set of connected Fib
A virtual storage area network (VSAN) is a collection of ports from a set of connected Fibre Channel switches, that form a virtual fabric. Which technology allows centralized storage services to be shared across different VSANs？（）
A.IVR
B.FSPF
C.FICON
D.SANTap
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Click the Exhibit button.When configuring WXC A‘s local WAN parameters, which QoS network parameter would you choose？（）
<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/7a3e04e05d324bd96ad245b89b3b2356.jpg' />
A. over-subscribed
B. under-subscribed
C. dedicated circuits
D. nondedicated circuits
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Ethernet is the commonly usedlocal area network communication protocol. The standard of Ethernet is （） .
A．IEEE802.1
B． IEEE802.2
C． IEEE802.3
D． IEEE802.11
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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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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
