1. Which OSI layer is represented by packets?

 
 
 
 
 
 

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

 
 
 
 

3. Which of the following protocols uses UDP?

 
 
 
 
 

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

 
 
 
 

5. Which OSI layer is represented by segments?

 
 
 
 
 
 

6. Which OSI layer is represented in by bits?

 
 
 
 
 
 

7. Which of the following protocols uses TCP?

 
 
 

8. Which OSI layer is represented by packets?

 
 
 
 

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

 
 
 
 

10. Which of these layers is represented by data?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. What is the order of encapsulation?

 
 
 
 

14. Which OSI layer provides logical addressing?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Which of the following protocol uses both TCP and UDP?

 
 
 
 
 

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

 
 
 
 

19. Which protocol uses UDP port 69?

 
 
 
 
 

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

 
 
 
 

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