1. Design an algorithm to multiply two numbers and display result. [1 marks] Q2. Describe Divide and Conquer Approach. Implement Insertion sort algorithm and write output. marks] [1 Q3. Implement Binary search algorithm by C++ and give example with Input and output. [1 marks] Q4. Implement Selection sort algorithm by C++ and give example with Input and output. [2 marks] Q1. Describe Network layer function. [1 Mark] Q2. Calculate address space of IPv4. [1 Mark] Q3. Change the following IPv4 addresses from dotted- decimal notation to binary notation. 112.56.45.78 [1 Marks] Q4. Give Class B IP address example. [1Mark] Q5. A block of addresses is granted to a small organization. We know that one of the addresses is 215.16.37.39/28. What is the first address in the block? [1 Mark]