单选题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-are

题目
单选题
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)

相似考题

1.A network administrator wants to control which user hosts can access the network based on their MAC address. What will prevent workstations with unauthorized MAC addresses from connecting to the network through a switch?A. BPDUB. Port securityC. RSTPD. STPE. VTPF. Blocking mode

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.An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）A. Router routes traffic between different networks and a switch does notB. The new switch is faulty and needs to be replaced and configured correctlyC. The firewall needs to be setup to allow traffic to reach the InternetD. The switch needs to be setup to forward data traffic to the Internet

更多“单选题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-are”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：

    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3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4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5题：

    What are two reasons that a network administrator would use access lists? (Choose two.) （）。

    • A、to control vty access into a router  
    • B、to control broadcast traffic through a router  
    • C、to filter traffic as it passes through a router  
    • D、to filter traffic that originates from the router  
    • E、to replace passwords as a line of defense against security incursions 

    正确答案:A,C

  • 第6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7题：

    You need to design a method to protect traffic on the wireless network. Your solution must meet the requirements of the chief security officer. What should you do？（）

    • A、Configure the wireless access points in Denver and Dallas to filter unauthorized Media Access Control （MAC） addresses
    • B、Configure the wireless network connection properties for all computers in Denver and in Dallas to use the same network name that the wireless access points use
    • C、Create a GPO and link it to the Denver OU and to the Dallas OU. Create a wireless network policy and configure it to use Windows to configure wireless network settings for the Denver and the Dallas networks
    • D、Create a GPO and link it to the Denver OU and to the Dallas OU. Create a wireless network policy and enable data encryption and dynamic key assignments for the Denver and Dallas networks

    正确答案:D

  • 第8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9题：

    单选题
    You need to design a method to protect traffic on the wireless network. Your solution must meet the requirements of the chief security officer. What should you do？（）
    A

    Configure the wireless access points in Denver and Dallas to filter unauthorized Media Access Control （MAC） addresses

    B

    Configure the wireless network connection properties for all computers in Denver and in Dallas to use the same network name that the wireless access points use

    C

    Create a GPO and link it to the Denver OU and to the Dallas OU. Create a wireless network policy and configure it to use Windows to configure wireless network settings for the Denver and the Dallas networks

    D

    Create a GPO and link it to the Denver OU and to the Dallas OU. Create a wireless network policy and enable data encryption and dynamic key assignments for the Denver and Dallas networks


    正确答案： D
    解析： 暂无解析

  • 第10题：

    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)


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）
    A

    Router routes traffic between different networks and a switch does not

    B

    The new switch is faulty and needs to be replaced and configured correctly

    C

    The firewall needs to be setup to allow traffic to reach the Internet

    D

    The switch needs to be setup to forward data traffic to the Internet


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    How does a switch respond when it receives a message?（）
    A

    It reads the Layer-5 information and sends the message directly to the intended computer.

    B

    It reads the Media Access Control (MAC) address and broadcasts the message to all the computers that are connected to the switch.

    C

    It reads the Media Access Control (MAC) address and sends the message directly to the intended computer.

    D

    It reads the Layer-5 information and broadcasts the message to all the computers that are connected to the switch.


    正确答案： D
    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.is sent
    B.to be sent
    C.sending
    D.send

    答案：B
    解析：
    本题考查动词语态。题干意为“局域网连入广域网，就允许在国内或国际间发送信息。”题干中，allow sb （sth） to do为固定搭配，另外此处表示信息被传播，所以用被动形式，即to be done，因此B选项正确。
    　　

  • 第14题：

    Which of the following storage technologies connects by TCP/IP and can slow down network traffic？（）

    • A、SAN
    • B、Optical jukebox
    • C、NAS
    • D、Tape library

    正确答案:C

  • 第15题：

    A network administrator wants to control which user hosts can access the network based on their MAC address. What will prevent workstations with unauthorized MAC addresses from connecting to the network through a switch?（）

    • A、BPDU
    • B、Port security
    • C、RSTP
    • D、STP
    • E、VTP
    • F、Blocking mode

    正确答案:B

  • 第16题：

    How does a switch respond when it receives a message?（）

    • A、It reads the Layer-5 information and sends the message directly to the intended computer.
    • B、It reads the Media Access Control (MAC) address and broadcasts the message to all the computers that are connected to the switch.
    • C、It reads the Media Access Control (MAC) address and sends the message directly to the intended computer.
    • D、It reads the Layer-5 information and broadcasts the message to all the computers that are connected to the switch.

    正确答案:C

  • 第17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18题：

    An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）

    • A、Router routes traffic between different networks and a switch does not
    • B、The new switch is faulty and needs to be replaced and configured correctly
    • C、The firewall needs to be setup to allow traffic to reach the Internet
    • D、The switch needs to be setup to forward data traffic to the Internet

    正确答案:A

  • 第19题：

    单选题
    Which of the following storage technologies connects by TCP/IP and can slow down network traffic？（）
    A

    SAN

    B

    Optical jukebox

    C

    NAS

    D

    Tape library


    正确答案： B
    解析： 暂无解析

  • 第20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21题：

    单选题
    At Layer 2 of the OSI model, which component connects a host to the network media?（）
    A

    Hub

    B

    Switch

    C

    Bridge

    D

    NIC

    E

    Transceiver


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    A network administrator wants to control which user hosts can access the network based on their MAC address. What will prevent workstations with unauthorized MAC addresses from connecting to the network through a switch?（）
    A

    BPDU

    B

    Port security

    C

    RSTP

    D

    STP

    E

    VTP

    F

    Blocking mode


    正确答案： B
    解析： 暂无解析

  • 第23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24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

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