1. At which layer of the OSI model does DHCP operate?

 
 
 
 

2. Which of the following protocols uses UDP?

 
 
 
 
 

3. At which layer of the OSI model does FTP operate?

 
 
 
 

4. At which layer of the OSI model does SMTP operate?

 
 
 
 

5. Which OSI layer converts data packets from the Data Link layer into electrical signals?

 
 
 
 

6. Which OSI layer is represented by packets?

 
 
 
 
 
 

7. At which layer of the OSI model does DNS operate?

 
 
 
 

8. What layer of the TCP/IP or DOD model is equivalent to the Transport layer of the OSI model?

 
 
 
 

9. What is the order of encapsulation?

 
 
 
 

10. At which layer of the OSI model does SNMP operate?

 
 
 
 

11. Which of these layers is represented by data?

 
 
 
 

12. Which OSI layer is represented in by bits?

 
 
 
 
 
 

13. Which protocol uses UDP port 69?

 
 
 
 
 

14. Which OSI layer is represented by packets?

 
 
 
 

15. Which protocol uses TCP port 23?

 
 
 
 
 

16. Which of the following protocols uses TCP?

 
 
 

17. What are the two sublayers of the Data-link layer?

 
 
 
 

18. Which protocol uses TCP port 80?

 
 
 
 
 

19. Which OSI layer provides logical addressing?

 
 
 
 

20. At which layer of the OSI model does UDP operate?

 
 
 
 

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