思科认证考试

At Layer 2 of the OSI model, which component connects a host to the network media?（）A、HubB、SwitchC、BridgeD、NICE、Transceiver

题目

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
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相似问题和答案

第1题：

At which layer of the OSI model does error checking occur with IPv6?()

A. Layer 2

B. Layer 3

C. Layer 4

D. Layer 7


参考答案：C

第2题：

In the OSI model, which of the following layers would be the cause of a session time－out while browsing the web?()

A.Laye r2

B.Layer 3

C.Layer 5

D.Layer 7


参考答案：C

第3题：

As a CCNA candidate, you will be expected to know the OSI model very well. Which of the following are associated with the application layer (layer 7) of the OSI model? (Choose two)

A. TCP

B. Telnet

C. FTP

D. Ping

E. IP

F. UDP


正确答案：BC
B,C 解析：Explanation:
The application layer is the top layer of the OSI model and is used to describe the end user applications that can be used over a network.

Layer Name Examples
Application (layer 7) Telnet, HTTP, FTP, WWW browsers, NFS, SMTP gateways, SNMP

Incorrect Answers:
A. TCP resides at layer 4.
D. ARP is a function of the data link layer, which is layer 2.
E. IP is used at layer 3 (network layer).

第4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


参考答案：D

第5题：

The TCP/IP stack is a complete set of networking protocols. The OSI Model was meant

to be a standardized way of connecting devices together. and most protocols have some direct

correlation to the OSI Model. The OSI Model has 7 layers. the foruth layer is called(75)

A. physical layer

B. data link Iayer

C.application layer

D.transport layer


正确答案：D
TCP/IP协议栈是一种网络协议实现。OSI模型是用来进行设备间连接标准化的一种模型。OSI模型包含7层，第四层是传输层。

第6题：

Which of the following layers of the OSI model is the presentation layer?()

A.Layer 1

B.Layer 5

C.Layer 6

D.Layer 7


参考答案：C

第7题：

OSI is a theoretical model that shows how any two different systems can communicate with each other. Router, as a networking device, operate at the ______ layer of the OSI model.

A．transport

B．application

C．network

D．physical


正确答案：C

第8题：

Acknowledgements, sequencing, and flow control are functions that are handled by which layer of the OSI model?

A. Layer 5

B. Layer 4

C. Layer 7

D. Layer 6

E. Layer 3

F. Layer 2

G. Layer 1


正确答案：B
B

第9题：

In the 7－layer OSI model, which layer switching will take place?()

A.Layer two

B.Layer four

C.Layer one

D.Layer three


参考答案：A

第10题：

Which of the following layers of the TCP／IP model most closely corresponds to the network layer of the OSI model?()

A.Application

B.Internet

C.Transport

D.Network

E.Data Link


参考答案：B

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