Programming & Computer Science Answers

 Describe the four abstraction layers of TCP/IP

Describe the steps involved in a distributed coordination function using a simple carrier sense multiple access algorithm with interframe space delay to transmit frames in a wireless LAN

Describe the steps involve in a Distributed Coordination Function using a simple carrier sense multiple access algorithm with an interframe space delay to transmit frames in a Wireless LAN

Describe the four units that makes IEEE 802.11 Architecture.

Describe the four abstraction layers of TCP/IP

Describe the four abstract layers of TCP/IP

Write a PL/SQL program to check whether a date falls on weekend i.e. SATURDAY or SUNDAY.

        // Calculate average (only if the user inputted any numbers
        if (count > 0)
            average = sum / (double) count;
        else
            average = 0;

Create your own code to add to the original program, after Line 30. The code you add should display whether the total number of values entered by the user (count)=(4), is small

(< 5) or large (>= 5). Use an If/Else statement.

1. List and explain any four(4) security mechanisms used for securing Wireless Network.
2. List and explain Cryptographic algorithm classifications.