单选题What does a router do?（）A Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)B Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)C Broadcasts d

题目
单选题
What does a router do?（）
A

Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)

B

Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)

C

Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)

D

Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)

相似考题

1.The Ezonexam network administrator wants to use a router named VE1 to segment the local network. What are some of the advantages of using VE1 to segment the network? (Choose two)A. Routers generally cost less than switchesB. Filtering can occur based on Layer 3 informationC. Broadcasts are not forwarded across the routerD. Broadcasts are eliminatedE. Adding a router to the network decreases latencyF. Routers can generally support more LAN ports than switches

2.A( ) is a computer commtuucation network in a local area, which connects various computers.A.IntemetB.MANC.WAND.LAN

3.What does a router do?()A.Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)B.Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)C.Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)D.Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)

4.A local-area network(LAN)is a communications network that(125)a variety of devices and provides a(126)for information exchange among those devices. The scope of the LAN is small typically a single building or a cluster(丛)of buildings. The LAN is usually owned by the same organization that owns the(127)devices. The internal data rate of LAN is at least several Mb/s.The basic of LAN communication is broadcasting. At each station, there is a transmitter/receiver that communicates over a(128)shared, By other stations. A transmission from any one station is(129)to and received by all other stations.A．broadcastB．cableC．controlD．interconnectsE．internet

更多“单选题What does a router do?（）A Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)B Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)C Broadcasts d”相关问题

  • 第1题：

    What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?()

    A. It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.

    B. It sends a copy of its neighbor table to all adjacent routers.

    C. It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.

    D. It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.


    参考答案：C

  • 第2题：

    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

    正确答案:C

  • 第3题：

    Which network technology allows for the monitoring of active communication networks to diagnose problems and gather statistics for network administration?（）

    • A、Network security
    • B、Content networking
    • C、Network management
    • D、Campus local-area networking

    正确答案:C

  • 第4题：

    现代计算机网络按照其规模距离和结构来划分可以分为（）。

    • A、局域网（Local Area Network，LAN）
    • B、城域网（Metropolitan Area Network，MAN ）
    • C、广域网（Wide Area Network，WAN）
    • D、以上都不对

    正确答案:A,B,C

  • 第5题：

    一般局域网采用（）和环型令牌网Token Ring为主。

    • A、广域网WAN（Wide Area Network）
    • B、城域网MAN（Metropolitan Area Network）
    • C、共享介质局域网（Shared LAN）
    • D、总线以太网Ethernet

    正确答案:D

  • 第6题：

    What is A WAN?（）

    • A、A network that is restricted.to A single building ,A group of buildings, or even A single room.
    • B、A network that encompasses an entire city or metropolitanared and connects multiple LANs.
    • C、A network that connects client devices wirelessly using radio waves.
    • D、A network that crosses metropolitan, regional, or national boundaries.

    正确答案:B

  • 第7题：

    Which of the following is the purpose of QoS?（）

    • A、Load balance traffic across multiple LAN and WAN links.
    • B、Increase speed of network traffic.
    • C、Classify, mark, and prioritize traffic on WAN and LAN links
    • D、Guarantee traffic delivery.

    正确答案:C

  • 第8题：

    单选题
    Which network technology allows for the monitoring of active communication networks to diagnose problems and gather statistics for network administration?（）
    A

    Network security

    B

    Content networking

    C

    Network management

    D

    Campus local-area networking


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?（）
    A

    It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.

    B

    It sends a copy of its neighbor table to all adjacent routers.

    C

    It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.

    D

    It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    You are the network administrator for your company. The Denver office is currently connected to the corporate WAN by using a Windows Server 2003 computer named Server23.Server23 is configured as a dial-up router. Server23 has two network adapters. One network adapter connects to the Ethernet LAN. The other network adapter is a broadband networking device.The company plans to increase the number of employees in the Denver office by at least 25 percent. You need to confirm that the current network bandwidth of the broadband connection will be sufficient for the future expansion of the Denver office.You want to use System Monitor on Server23 to find out the current utilization of the broadband network connection.  What should you do？（）
    A

    Monitor the Bytes Total/sec counter on the Network Interface object.

    B

    Monitor the Bytes Total/sec counter on the Server object.

    C

    Monitor the Server//Packets/sec counter on the Server object.

    D

    Monitor the Current Bandwidth counter on the Network Interface object.


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    What is A WAN？（）
    A

    A network that connects client devices wirelessly using radio waves

    B

    A network that crosses metropolitan, regional, or national boundaries

    C

    A network that is restricted.to a single building ,a group of buildings, or even a single room

    D

    A network that encompasses an entire city or metropolitanared. and. connects multiple LANs


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    What is A WAN?（）
    A

    A network that is restricted.to A single building ,A group of buildings, or even A single room.

    B

    A network that encompasses an entire city or metropolitanared and connects multiple LANs.

    C

    A network that connects client devices wirelessly using radio waves.

    D

    A network that crosses metropolitan, regional, or national boundaries.


    正确答案： B
    解析： 暂无解析

  • 第13题：

    The local area network also connects to a wide area network that allow a message ___ across the country or to other countries.

    A.send
    B.sending
    C.to be sent
    D.is sent

    答案：C
    解析：
    四个选项皆为send“发送”的不同形式。而题目意为“局域网连入广域网，就允许在国内或国际间发送信息。”这里指发送信息，信息message在动词发送send前，所以使用被动形式，即to be done。D选项出现谓语动词is，造成动词重复。
    　　

  • 第14题：

    Which includes an activity to host a workshop that focuses on the identification and configuration of the actual network components （routers， servers， local-area network or LAN， and so on） that will be incorporated to run and support the Cisco Unified Communications system（）

    • A、Implement
    • B、Design
    • C、Plan
    • D、Prepare

    正确答案:B

  • 第15题：

    You are the network administrator for your company. The Denver office is currently connected to the corporate WAN by using a Windows Server 2003 computer named Server23.Server23 is configured as a dial-up router. Server23 has two network adapters. One network adapter connects to the Ethernet LAN. The other network adapter is a broadband networking device.The company plans to increase the number of employees in the Denver office by at least 25 percent. You need to confirm that the current network bandwidth of the broadband connection will be sufficient for the future expansion of the Denver office.You want to use System Monitor on Server23 to find out the current utilization of the broadband network connection.  What should you do？（）

    • A、Monitor the Bytes Total/sec counter on the Network Interface object.
    • B、Monitor the Bytes Total/sec counter on the Server object.
    • C、Monitor the Server//Packets/sec counter on the Server object.
    • D、Monitor the Current Bandwidth counter on the Network Interface object.

    正确答案:A

  • 第16题：

    What is A WAN？（）

    • A、A network that connects client devices wirelessly using radio waves
    • B、A network that crosses metropolitan, regional, or national boundaries
    • C、A network that is restricted.to a single building ,a group of buildings, or even a single room
    • D、A network that encompasses an entire city or metropolitanared. and. connects multiple LANs

    正确答案:D

  • 第17题：

    What does a router do?（）

    • A、Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)
    • B、Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)
    • C、Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)
    • D、Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)

    正确答案:A

  • 第18题：

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

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

    正确答案:B

  • 第19题：

    单选题
    Which of the following is the purpose of QoS?（）
    A

    Load balance traffic across multiple LAN and WAN links.

    B

    Increase speed of network traffic.

    C

    Classify, mark, and prioritize traffic on WAN and LAN links

    D

    Guarantee traffic delivery.


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    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


    正确答案： D
    解析： 暂无解析

  • 第21题：

    多选题
    现代计算机网络按照其规模距离和结构来划分可以分为（）。
    A

    局域网（Local Area Network，LAN）

    B

    城域网（Metropolitan Area Network，MAN ）

    C

    广域网（Wide Area Network，WAN）

    D

    以上都不对


    正确答案： C,D
    解析： 暂无解析

  • 第22题：

    单选题
    What is the most common cause of network congestion？（）
    A

    aggregation congestion occurring at the core layer where the different distribution layer devices feed traffic to the core-layer switches

    B

    speed mismatches when moving from a low-speed LAN environment to a higher speed WAN environment

    C

    flapping Ethernet interfaces caused by misconfigured LAN interfaces

    D

    flapping serial interfaces caused by misconfigured WAN interfaces

    E

    speed mismatches when moving from a high-speed LAN environment to a lower speed WAN environment


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Which includes an activity to host a workshop that focuses on the identification and configuration of the actual network components （routers， servers， local-area network or LAN， and so on） that will be incorporated to run and support the Cisco Unified Communications system（）
    A

    Implement

    B

    Design

    C

    Plan

    D

    Prepare


    正确答案： A
    解析： 暂无解析

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