JN0-101

多选题Which two statements accurately describe a broadcast domain?（）ABroadcast domains requiere that the participating devices connect to common swithces or hubsBBroadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast addr

题目
多选题
Which two statements accurately describe a broadcast domain?（）
A

Broadcast domains requiere that the participating devices connect to common swithces or hubs

B

Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address

C

Broadcast domains requiere a gateway device such a router

D

Broadcast domains consist of devices that reside on the same VLAN

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相似问题和答案

第1题：

What are two routing requirements for a device to communicate with another device?()

A. end-to-end communications path

B. hosts on the same Layer 2 broadcast domain

C. hosts on the same Layer 3 broadcast domain

D. routing information on participating Layer 3 devices


参考答案：A, D

第2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3题：

Which of the following a true statements regarding the use of VLANs to segment a network? (Select three)

A. They increase the size of collision domains

B. They allow logical grouping of users by function.

C. They can enhance network security.

D. They increase the size of the broadcast domain while decreasing the number of collision domains.

E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

F. They simplify switch administration.


正确答案：BCE
B,C,E 解析：Explanation:
VLANs are used to segment a LAN into multiple, smaller LANs. This can be used to enhance security as local traffic from one VLAN will not be passed to users in other VLANS.

Incorrect Answers:
A. VLANs are used to decrease the size of a collision domain, not increase it.

D. The opposite is true.

F. The default operation of a switch is to allow all traffic and to enable all ports in VLAN1. The use of VLANs will increase the complexity of the switch environment, making for more difficult administration.

第4题：

Which of the following a true statements regarding the use of VLANs to segment anetwork? （）

  • A、They increase the size of collision domains
  • B、They allow logical grouping of users by function.
  • C、They can enhance network security.
  • D、They increase the size of the broadcast domain while decreasing the number of collision domains.
  • E、They increase the number of broadcast domains while decreasing the size of the broadcast domains.
  • F、They simplify switch administration.

正确答案:B,C,E

第5题：

Which three statements accurately describe layer 2 Ethernet switches?()

A.Microsegmentation decreases the number of collisions on the network.

B.if a switch receives a frame for an unkown destination,it uses ARP to resolve the address.

C.Spanning Tree Protocol allows switches to automatically share vlan information.

D.In a properly functioning network with redundant switched paths,each switched aegment will contain one root bridge with all its ports in the forwarding state.All other switches in that broadcast domain will have only one root port.

E.Establishing vlans increases the number of broadcast domains.

F.Switches that are configured with vlans make forwarding decisions based on both layer 2 and layer 3 address information.


参考答案：A, C, E

第6题：

Which two statements best describes the role of a router on a broadcast domain?()

A.Routers facilitate communications within a broadcast domain.

B.Routers facilitate communications between broadcast domains.

C.Routers are used to break up broadcast domains into separate networks.

D.Routers are used to connect small broadcast domains and form larger more efficient broadcast domains


参考答案：B, C

第7题：

Which of the following statements describe the network shown in the graphic?()

A. There are two broadcast domains in the network.

B. There are four broadcast domains in the network.

C. There are six broadcast domains in the network.

D. There are four collision domains in the network.

E. There are five collision domains in the network.

F. There are seven collision domains in the network.


参考答案：A, F

第8题：

Which two statements accurately describe a broadcast domain?()

A. Broadcast domains require that the participating devices connect to common switches or hubs.

B. Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address.

C. Broadcast domains require a gateway device such as a router.

D. Broadcast domains consist of devices that reside on the same VLAN.


参考答案：B, D

第9题：

Which two statements accurately describe a broadcast domain?（）

  • A、Broadcast domains consist of devices that connect to a common switch or hub.
  • B、Broadcast domains consist of a group of devices that can be reached by sending a frame addressed to the Layer 2 broadcast address.
  • C、Broadcast domains require a gateway device such as a router.
  • D、Broadcast domains consist of devices that reside on the same sub-network.

正确答案:B,D

第10题：

Which of the following is a layer 3 device that separates broadcast domains?（）

  • A、Network Interface Card
  • B、Hub
  • C、Bridge
  • D、Router

正确答案:D

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