2. How TCP/IP Works?

Question 1

1. What two OSI layers map into the TCP/IP Network Access layer?

Answer 1

The Data Link layer and the Physical layer.

Question 2

2. What TCP/IP layer is responsible for routing data from one computer to another?

Answer 2

The Internet layer

Question 3

3. What are the advantages and disadvantages of UDO as compared to TCP?

Answer 3

UDP is simpler and faster but does not have the error checking and flow control that TCP does.

Question 4

4. Which layer deals with frames?

Answer 4

The Network Access layer.

Question 5

5. What does it means to say that a layer encapsulates data?

Answer 5

A layer-specific header is appended to the data before it is passed down to the next layer.