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单选题Which of the following devices is used to connect multiple devices to a network and does not stopbroadcast traffic?（）A SwitchB HubC ModemD Repeater

题目
单选题
Which of the following devices is used to connect multiple devices to a network and does not stopbroadcast traffic?（）
A

Switch

B

Hub

C

Modem

D

Repeater

参考答案和解析
正确答案： C
解析： 暂无解析
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相似问题和答案

第1题：

A network at a small business utilizes a star topology and is experiencing frequent collisionsamong data packets. Which of the following devices is MOST likely being used?()

A. Unmanaged switch

B. Hardware firewall

C. Hub

D. Managed switch


参考答案：C

第2题：

Which of the following devices is used to connect multiple devices to a network and does not stopbroadcast traffic?()

A.Switch

B.Hub

C.Modem

D.Repeater


参考答案：B

第3题：

The LAN needs are expanding at the Ezonexam corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the Ezonexam network.

Which of the following are layer 1 devices that you can use? (Choose all that apply.)

A．A switch

B．A router

C．A network adapter card

D．A hub

E．A repeater


正确答案：DE
解析：Explanation:
A hub simply repeats the electrical signal and makes no attempt to interpret the electrical signal (layer 1) as a LAN frame. (Layer 2). So, a hub actually performs OSI layer 1 functions, repeating an electrical signal, whereas a switch performs OSI layer 2 functions, actually interpreting Ethernet header information, particularly addresses, to make forwarding decisions. Hubs can be used to increase the number of stations that can be supported on a LAN.

Because the repeater does not interpret what the bits mean, but does examine and generate electrical signals, a repeater is considered to operate at Layer 1. Repeaters can be used to physically extend the LAN to greater distances.

第4题：

Which two statements are true regarding an Ethernet collision domain?（）

  • A、If a switch is used, the collision domain is limited to each device and the switch
  • B、If a hub is used, the collision domain is limited to each device and the hub
  • C、If a hub is used, the collision domain includes all devices connected to the hub
  • D、If a switch is used, the collision domain includes all devices connected to the switch

正确答案:A,C

第5题：

Which of the following security devices would MOST likely be used on a network to screen and prevent malicious traffic?()

A.IDS

B.VPN

C.NIPS

D.HIDS


参考答案：C

第6题：

Which of the following devices would allow a technician using a packet sniffer to view all the dataon a network?()

A.GBIC

B.Hub

C.Bridge

D.Modem


参考答案：B

第7题：

Which of the following interfaces is used to connect analog devices to the Internet?()

A.POTS

B.ATM

C.VDSL

D.SDSL


参考答案：A

第8题：

Which of the following devices replicates and passes data to all devices connected to it?()

A.Switch

B.Router

C.Bridge

D.Hub


参考答案：D

第9题：

Which of the following devices is used to connect a WAN to a LAN?()

A.Basic router

B.Basic switch

C.Bridge

D.Repeater


参考答案：A

第10题：

Which of the following devices replicates and passes data to all devices connected to it?（）

  • A、Switch
  • B、Router
  • C、Bridge
  • D、Hub

正确答案:D

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