2014年思科认证考试：(Cisco)CCNA仿真试题2
为了帮助广大考生系统全面的复习好《思科认证：CCNA认证学科》，我们考吧网整理了思科认证模拟试题，本次汇编的模拟试题希望对你的考试有所帮助，预祝你考试顺利。
1 Which layer is most concerned with getting data from the beginning to the finaldestination?
A. Application
B. Presentation
C. Session
D. Transport
Answer D.
The transport layer is most concerned with reliable transportation from
2 What layer converts data into segments?
A. Application
B. Presentation
C. Transport
D. Physical
Answer C.
3. What layer converts data into Packets?
A. Network
B. Application
C. Physical
D. Data Link
Answer A.
4. What layer converts data into Frames?
A. Application
B. Physical
C. Data Link
D. Transport
Answer C.
5. What layer converts data into bits?
A. Application
B. Session
C. Data Link
D. Physical
Answer D.
All of the layers need to convert data into something that they can passdown to the next level, with the exception of the Application layer which handsdata to the Presentation layer. The Presentation layer encrypts, and compressesbefore sending it to the Session layer for it s first conversion.one end to the other.
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