Question: 1. What is difference between the concept of application layer and application software? 2. What are the main functions of Application Layer in TCP/IP model?

1. What is difference between the concept of application layer and application software?

2. What are the main functions of Application Layer in TCP/IP model?

3. List 4 application layer protocols and define their main function.

4. What is main purpose of using the DNS protocol? Explain its functionality.

5. What is main purpose of using the HTTP protocol? Explain its functionality.

6. What is main purpose of using the SMTP/POP protocols? Explain its functionality.

7. What is main purpose of using the DHCP? Explain its functionality.

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