1. Define random access in the context of communication networks. Explain howrandom access differs from other access methods such as controlled access andchannelization.

2. Define Random Access Protocol. Discuss the advantages and limitations of randomaccess protocols like ALOHA and CSMA/CD.

3. Define controlled access methods in communication networks. Explain Howcontrolled access protocols differ from random access and channelization.

4. Compare and Contrast the Pure and Slotted ALOHA with its Advantages.