Q1. Illustrate the main differences between the OSI and TCP/IP reference models? Describe in brief.
Q2. What do you mean by bit-stuffing?
Q3. What do you mean by polling system? prepare down some of its merits?
Q4. Describe in brief, the MAC frame structure for IEEE 802.3?
Q5. What do you mean by dotted decimal notation in the IP addressing?
Q6. describe why is packet switching significant? prepare down at least two reasons.
Q7. Illustrate the term Public Key Cryptography? prepare down some of the merits and demerits.