Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q3311: What is the primary purpose of management frames in IEEE 802.11?
- A: To carry data between devices
- B: To provide error correction
- C: To manage network authentication and association
- D: To facilitate medium access control
View Answer
C
Q3312: Fill in the blank: The _______ frequency range is primarily used for long-range wireless communication in IEEE 802.11.
- A: 5.725–5.850 GHz
- B: 2.400–4.835 GHz
- C: 902–928 MHz
- D: None of the above
View Answer
A
Q3313: Which of the following is the main role of data frames in IEEE 802.11?
- A: To establish network connections
- B: To manage power consumption
- C: To carry user data and network information
- D:
View Answer
C
Q3314: Fill in the blank: IEEE 802.11 defines _______ frames for controlling access to the wireless medium and providing synchronization.
- A: Control Frames
- B: Management Frames
- C: Data Frames
- D: Packet Frames
View Answer
A
Q3315: What type of frames are used for power management and synchronizing communication in IEEE 802.11?
- A: Management Frames
- B: Control Frames
- C: Data Frames
- D: Access Frames
View Answer
A
Q3316: What is the frequency range used for most wireless communication implementations, except infrared, in IEEE 802.11?
- A: 902–928 MHz
- B: 2.400–4.835 GHz
- C: 5.725–5.850 GHz
- D: ISM Band
View Answer
B
Q3317: Which of the following is a key function of control frames in IEEE 802.11?
- A: To send user data
- B: To manage the medium and synchronize communication
- C: To transmit encryption keys
- D: To route packets
View Answer
B
Q3318: Which of the following frames in IEEE 802.11 is used for managing network connections?
- A: Control Frames
- B: Management Frames
- C: Data Frames
- D: Authentication Frames
View Answer
B
Q3319: Fill in the blank: Control frames are used to manage the _______ of wireless data transmission.
- A: medium access
- B: synchronization
- C: security
- D: traffic flow
View Answer
A
Q3320: Which frequency range is used for IEEE 802.11 devices operating in the ISM band?
- A: 902–928 MHz
- B: 2.400–4.835 GHz
- C: 5.725–5.850 GHz
- D: All of the above
View Answer
D