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1.What is the correct order for the OSI model?
P=Presentation, S=Session, D=Datalink, Ph=Physical, T=Transport, A= Application, N=Network
A. P S A PH D N T
B. A P S T N D PH
C. PH D N T A S P
D. P S A T N D PH
Answer B. It is crucial you not only memorize this and know what each layer does.
2. What is encapsulation?
A. Putting the header on an incoming frame
B. Putting a header on an incoming segment
C. Putting a header on an outgoing frame
D. Putting a header on an outgoing bit
Answer C. This also includes trailers and can be put on segments, packets, and frames.
3. Which layer is most concerned with user applications?
A. Application
B. Presentation
C. Network
D. Physical
Answer A.
4. Which of the following is de-encapsulation?
A. Stripping the header from a frame
B. Putting a header on a segment
C. Putting a header on a frame
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