These practice questions are designed based on the lectures completed to the date. 30% of the final

These practice questions are designed based on the lectures completed to the date.  30% of the final 
score is allocated for completing tutorials.   
1. What is IP?  
2. What is TCP?  
3. What is TCP/IP model?  
4. What are the five layers of the TCP/IP model? Give brief explanation about each layer  
5. Which layer of the TCP/IP model processes requests from hosts to make sure a connection is made to the appropriate port?   
6. What are well known ports?   
7. Identify the port numbers for the following applications.       a. Telnet –       b. HTTP –       c. FTP –       d. DNS –       e. DHCP –    
8. What is the purpose of the Internet layer in the TCP/IP protocol suite?9. What important networking –troubleshooting tool is part of ICMP, and how does it test a network connection?  



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