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单选题Which statement is true regarding an Ethernet collision domain?（）A If a router is used, the collision domain includes all devices connected to the routerB If a hub is used, the colision domain is limited to each device and the hubC If a switch is used,

题目
单选题
Which statement is true regarding an Ethernet collision domain?（）
A

If a router is used, the collision domain includes all devices connected to the router

B

If a hub is used, the colision domain is limited to each device and the hub

C

If a switch is used, the collision domain is limited to each device and the switch

D

If a bridge is used, the collision domain includes all devices connected to the bridge

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相似问题和答案

第1题：

Which of the following contribute to congestion on an Ethernet network?()

A. Use of full duplex mode.

B. Creation of new collision domain.

C. Creation of new broadcast domain.

D. Addition of hub to the network.

E. Use of switches in the network.

F. Amount of ARP or IPX SAP traffic.


参考答案：D, F

第2题：

For which type of connection should a straight－through cable be used?()

A.switch to switch

B.switch to hub

C.switch to router

D.hub to hub

E.router to PC


参考答案：C

第3题：

Which of the following devices separates a LAN segment into two collision domains, without affecting the broadcast domain?()

A.Firewall

B.Bridge

C.Repeater

D.Router


参考答案：B

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：

You are about to migrate a customer network to use a VSS. Which of these statements is true about a VSS？（）

  • A、The VSS switch must be the root bridge for all VLANs and is automatically designated.
  • B、The VSS switch is defined in RFC 4318 as a managed object.
  • C、The PAgP+ or LACP protocols are used to maintain the operational state of the VSS devices.
  • D、A VSS interoperates with a virtual port channel.
  • E、The 802.1Q or ISL protocols are used to maintain the operational state of the VSS devices.
  • F、A VSS increases the size of the spanning-tree domain.

正确答案:C

第6题：

Which of the following are true regarding bridges and switches?()

A. Bridges are faster than switches because they have fewer ports.

B. A switch is a multiport bridge.

C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.

D. A bridge will forward a broadcast but a switch will not.

E. Bridges and switches increase the size of a collision domain.


参考答案：B, C

第7题：

For which type of connection should a straight-through cable be used?（）

  • A、switch to switch
  • B、switch to hub
  • C、switch to router
  • D、hub to hub
  • E、router to PC

正确答案:C

第8题：

Which of the following network protocols is used to ensure consistent time across network devices on the domain?()

A.NTP

B.FTP

C.RTP

D.IGMP


参考答案：A

第9题：

Which statement is true regarding an Ethernet collision domain?（）

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

正确答案:C

第10题：

When you compare the differences between half-duplex and full-duplex Ethernet,which of the following characteristics are exclusive to half-duplex?（）

  • A、Half-duplex Ethernet operates in a shared collision domain.
  • B、Half-duplex Ethernet operates in an exclusive broadcast domain.
  • C、Half-duplex Ethernet has efficient throughput.
  • D、Half-duplex Ethernet has lower effective throughput.
  • E、Half-duplex Ethernet operates in an exclusive collision domain.

正确答案:A,D

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