Question: Q 1 A . Explain the need and the purpose of session tracking techniques. [ 5 Marks ] B . What is the main purpose

Q1 A. Explain the need and the purpose of session tracking techniques. [5 Marks]B. What is the main purpose of the DNS system? [2 marks]C. Describe the hierarchical structure of the DNS system. [3 marks]Q2A. What is a web browser? Describe its main responsibilities in detail. [5 Marks]B. Discuss the main processes of a search engine. [5 Marks]

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