Chapter 3 Exercises of Enterprise Network Architecture

1
[Single choice question]

The area where the corporate network can be accessed by external customers is ().

A、

核心交换机
B、

数据中心
C、

DMZ区域
D、

员工电脑

My answer: C
2
[single choice question]

() The port can isolate the broadcast domain.

A、

集线器
B、

交换机
C、

路由器
D、

以上都不能

My answer: C
3
[Multiple choice question]

A typical enterprise network contains () area.

A、

数据中心
B、

边缘区域
C、

DMZ
D、

以上都是

My answer: D
4
[Multiple choice question]

The most common network cable does not include ().

A、

双绞线
B、

同轴电缆
C、

电力线
D、

光纤

My answer: C
5
[Multiple choice question]

A half-duplex Ethernet switch with 12 10Mbps ports is used to interconnect the LAN, and the average bandwidth available at each site is ().

A、

0.83Mbps
B、

0.083Mbps
C、

8.3Mbps
D、

10Mbps

My answer: D
6
[Multiple choice question]

For a 16-port Layer 2 Ethernet switch, the number of collision domains and broadcast domains are ().

A、

1,1
B、

16,16
C、

1,16
D、

16,1

My answer: D
7
[Multiple choice question]

Joining needs to build an office network, including 22 hosts and 1 server, and connected with the company's switching network, the best in the following design is ().

A、

使用一个24端口/10M的集线器
B、

使用一个24端口/10M的集线器,其中两个端口为10/100M
C、

使用一个24端口/10M的交换机
D、

使用一个24端口/10M的交换机,其中两个端口为10/100M

My answer: D
8
[Multiple choice question]

In multiple networks interconnected by routers, () for each network.

A、

数据链路层协议和物理层协议都必须相同
B、

物理层协议必须相同,数据链路层协议可以不同
C、

数据链路层协议必须相同,物理层可以不同
D、

数据链路层和物理层协议都可以不同

My answer: D
9
[Multiple choice questions]

The following devices belonging to the data link layer are ().

A、

中继器
B、

以太网交换机
C、

网桥
D、

网关

My answer: BC
10
[Judgment question]

Among the wired transmission media, twisted pair is the cheapest and the fiber bandwidth is the largest.
My answer: √

My answer is the correct answer

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