These practice questions are designed based on the lectures completed to the date. 30% of the final score
is allocated for completing tutorials.
1. What is a protocol data unit (PDU) ? Give PDUs of each layer
2. What is the purpose of adding a header at the each layer to form a PDU?
3. The following figure shows the headers of TCP and UDP protocols. Referring these headers comment on the reliability and speed of both the protocols.