WiMAX MCQ Questions Answers

1. On which technology is WiMax based upon?

2. Which one is included in the subscriber station certificate?

3. Link from the Base Station to the Subscriber Station known as?

4. In the point to multi point (PMP) mode, which controls both uplink and downlink scheduling?

5. New scheduling mechanism defined in 802.16e?

6. Which are true of the 48-bit Base Station ID (BSID)?

7. Default value of the authorization key (AK) lifetime?

8. Out of the two MAC header formats defined in the IEEE 802.16 standard, the Generic MAC Header (GMH) frame is the only one used in the downlink

9. Which one is more secure and stronger for the encryption of data?

10. Full form of WiMAX?

11. Which parameters are sent by the subscriber station (SS) in the ranging request packet (RNG-REQ) when a subscriber station (SS) wants a VOIP service stream from a base station (BS)?

12. Maximum distance of a WiMAX connection?

13. In the mobile WiMAX profiles, which one is mandatory?

14. Length (in bits) of the header check sequence (HCS) field in a generic MAC header?

15. Length (size) of the key encryption (in bits) that the DES (data encryption standard) provides?

16. Which certificate is used to allow the base station to identify the subscriber stations?

17. Which duplexing technologies does 802.16 support?

18. In VOIP, change in payload and code sizes of MPDUs sent by SS depends on which of the following?

19. In PKMv2, only the BS can authenticate the SS.

20. Other name for WiMAX?

21. How many types of security associations (SA) are defined in PKMv2 in the 802.16 standard?

22. Which modulation technologies is/are supported by 802.16a?

23. Two types of soft handovers defined in 802.16e?

24. Which sub layer of IEEE 802.16 MAC layer provides functions related to duplexing, framing, QoS and channel access?

25. New power management operations defined in 802.16e?

26. How many different types of uplink scheduling mechanisms are used to control contention between users and to modify their bandwidth requirements in the point to multi-point mode?

27. Different types of data SAs (Security Associations)?

28. Communication in WiMAX is connection-oriented.

29. Which are included in each authorization SA (Security Association)?

30. Which multiplexing technologies are used in 802.16?

31. In OFDMA, multiple users can transmit data simultaneously.

32. The MAC layer of WiMAX does not allow variable-sized frames to be constructed and transmitted.

33. Which multiplexing technology is more spectrum-efficient and cost-efficient?

34. Connection used for short, time-urgent MAC management messages?

35. Encryption algorithms included in the 802.16 standard security sublayer?

36. How many hash-based message authentication code (HMAC) keys are derived from the authorization key (AK) for communication between the subscriber station (SS) and the base station (BS)?

37. In OFDM the original signal is divided into how many subcarriers or subchannels?

38. On which frequency range does the first WiMAX standard (IEEE 802.16-2001) operate?

39. Length (size) of a connection identifier (CID)?

40. In the subheader of a MAC frame, what will be the value of FC (fragment control) bits if it is the last fragment of the MSDU?

41. Which ones are managed by the physical layer of the protocol stack in WiMAX?

42. In which topology mode can the 802.16 standard be used?

43. Maximum value of the traffic encryption key (TEK) lifetime?

44. Which version of X.509 certificate is mandatory to be used in the 802.16 standard?

45. Which FFT (Fast Fourier Transform) sizes are supported in SOFDMA (Scalable OFDMA)?

46. Maximum number of management connection pairs that can be created when a subscriber station (SS) first connects to a base station (BS)?

47. Which management connection is used to send messages related to DHCP, SNMP, TFTP etc?

48. Which multiplexing technology is used in 802.16 for the downlink channel?

49. Which are included in each data SA (Security Association)?

50. What is the full form of MPDU?