Network Models and Protocols - OSI reference model, TCP-IP suite, switching techniques, addressing, ports - Question Bank
1. What is the fundamental difference between broadcast and multicast addressing?
2. In the TCP/IP model, the Application Layer protocols like HTTP, FTP, and SMTP reside at which layer?
3. Which layer of the OSI model is responsible for end-to-end connection management and reliability between source and destination hosts?
4. Which address type is globally unique and routable across the internet?
5. What is the purpose of the Presentation Layer in the OSI model?
6. Which switching method involves breaking data into small, fixed-size packets called cells, often used in ATM networks?
7. What is the main difference between TCP and UDP?
8. Which protocol is used for sending and receiving email messages?
9. In the OSI model, the Session Layer manages:
10. Which layer is responsible for translating network addresses (like IP addresses) into physical addresses (like MAC addresses)?
11. What is the maximum length of a standard Ethernet frame?
12. Which of the following is NOT a function of the Transport Layer?
13. What is the primary function of the Network Access Layer in the TCP/IP model?
14. Which protocol is used for transferring files between a client and a server?
15. The concept of virtual circuits is most closely associated with which type of switching?
16. Which switching technique is characterized by the use of fixed-size blocks of data called cells?
17. Which protocol is used for sending error messages and operational information regarding network conditions in the TCP/IP suite?
18. What is the unit of data at the Network Layer of the OSI model?
19. Which layer of the OSI model is concerned with the physical characteristics of the transmission medium?
20. What is the role of the Domain Name System (DNS)?
21. Which protocol is responsible for assigning IP addresses dynamically to devices on a network?
22. The Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocol typically uses which port number for secure web traffic?
23. Which well-known port number is typically used for the HTTP protocol?
24. In the context of TCP/IP, a socket is defined by:
25. Which protocol is used to map an IP address to a MAC address on a local network?
26. What is the purpose of a port number in network communication?
27. MAC addresses are typically assigned by:
28. Which addressing scheme is used at the Data Link Layer to uniquely identify network interfaces on a local network segment?
29. What type of addressing is used at the Network Layer to identify devices across different networks?
30. Asynchronous Transfer Mode (ATM) uses a form of switching that breaks data into fixed-size packets called:
31. Which type of switching is commonly used in traditional telephone networks?
32. What is the main advantage of packet switching over circuit switching?
33. Message switching involves sending an entire message as a single unit. This method is less efficient than packet switching because:
34. Which switching technique does not require a dedicated path and allows multiple users to share network resources dynamically?
35. In packet switching, data is broken down into smaller units called:
36. Which switching technique connects two devices directly with a dedicated physical path for the duration of a connection?
37. What is the primary protocol used for logical addressing and routing in the Internet Layer of the TCP/IP model?
38. Which protocol operates at the Transport Layer of the TCP/IP model and offers fast, connectionless communication with no reliability guarantees?
39. Which of the following protocols operates at the Transport Layer of the TCP/IP model and provides reliable, connection-oriented communication?
40. The Application Layer in the TCP/IP model encompasses functionalities of which OSI layers?
41. Which layer in the TCP/IP model provides end-to-end communication services and includes protocols like TCP and UDP?
42. The Internet Layer in the TCP/IP model is equivalent to which OSI layer?
43. In the TCP/IP model, which layer corresponds to the OSI Physical and Data Link layers?
44. Which layer of the OSI model provides network services directly to the end-user applications?
45. The Presentation Layer is responsible for:
46. Which OSI layer handles the establishment, maintenance, and termination of communication sessions between applications?
47. The Transport Layer in the OSI model provides which of the following services?
48. Which layer of the OSI model is responsible for logical addressing (IP addresses) and routing packets across networks?
49. What is the primary function of the Data Link Layer in the OSI model?
50. Which layer of the OSI model is responsible for the physical transmission of data bits over a communication medium?