思科认证考试
In the 7-layer OSI model, which layer switching will take place?（）A、Layer twoB、Layer fourC、Layer oneD、Layer three
题目
In the 7-layer OSI model, which layer switching will take place?（）
- A、Layer two
- B、Layer four
- C、Layer one
- D、Layer three
参考答案和解析
相似问题和答案
第1题：
A.Layer two
B.Layer four
C.Layer one
D.Layer three
第2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
正确答案:D
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
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：
Which three of the following OSI model layers also belong to the TCP/IP model?（）
- A、The application layer
- B、The session layer
- C、The data link layer
- D、The transport layer
- E、The network interface layer
- F、The physical layer
正确答案:A,D,E
第5题：
At which layer of the OSI model is the optimal path to a network destination determined at?（）
- A、Data Link
- B、Session
- C、Physical
- D、Presentation
- E、Network
- F、Transport
正确答案:E
第6题：
A.Application
B.Internet
C.Transport
D.Network
E.Data Link
第7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
正确答案:B
第8题：
While troubleshooting a network connectivity problem, a Ezonexam technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the 7-layer OSI model does the problem most likely exist?
A. The data link layer
B. The application layer
C. The protocol layer
D. The access layer
E. The session layer
F. The network layer
G. None of the above
F
第9题：
At which layer of the OSI model is RSTP used to prevent loops？（）
- A、data link
- B、network
- C、physical
- D、transport
正确答案:A
第10题：
Which protocols are found in the network layer of the OSI reference model and are responsible for path determination and traffic switching?（）
- A、LAN
- B、routing
- C、WAN
- D、network
正确答案:B