Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 210
Q3321:
Fill in the blank: The 2.400–4.835 GHz frequency range is used in the _______ band for most wireless communication.
A. ISM Band
B. WiFi Band
C. Radio Frequency Band
D. Unlicensed Band
Correct Answer:
A
Chapter: 210
Q3322:
Which frame type in IEEE 802.11 is responsible for managing the synchronization and association of devices?
A. Management Frames
B. Control Frames
C. Data Frames
D. Access Frames
Correct Answer:
A
Chapter: 210
Q3323:
Which of the following frequency ranges is used for wireless communication in the ISM band, according to IEEE 802.11?
A. 2.400–4.835 GHz
B. 5.725–5.850 GHz
C. 902–928 MHz
D. All of the above
Correct Answer:
D
Chapter: 211
Q3324:
Which of the following is a type of network used in Bluetooth technology?
A. Piconet
B. Scatternet
C. LAN
D. Internet
Correct Answer:
A
Chapter: 211
Q3325:
Bluetooth is a wireless LAN technology designed to connect devices at _______ distance.
A. a short distance
B. a long distance
C. an unlimited distance
D. a medium distance
Correct Answer:
A
Chapter: 211
Q3326:
What is the name of the network formed by Bluetooth devices?
A. Piconet
B. WiFi Network
C. Internet Network
D. Ad-Hoc Network
Correct Answer:
A
Chapter: 211
Q3327:
Which of the following is TRUE about Bluetooth networks?
A. They require a central controller
B. They operate in a large area
C. They are ad-hoc networks
D. They rely on a wired connection
Correct Answer:
C
Chapter: 211
Q3328:
Bluetooth is defined by which IEEE standard?
A. IEEE 802.11
B. IEEE 802.15
C. IEEE 802.16
D. IEEE 802.5
Correct Answer:
B
Chapter: 211
Q3329:
Which layer in the Bluetooth architecture is responsible for data transmission?
A. Physical Layer
B. Link Layer
C. Application Layer
D. L2CAP Layer
Correct Answer:
D
Chapter: 211
Q3330:
Fill in the blank: The communication in Bluetooth between devices is referred to as a _______ network.
A. Piconet
B. Scatternet
C. LAN
D. Personal-Area Network
Correct Answer:
A
Chapter: 211
Q3331:
Which of the following is a type of Bluetooth network?
A. Piconet
B. Scatternet
C. Wi-Fi Network
D. Both A and B
Correct Answer:
D
Chapter: 211
Q3332:
Bluetooth technology is used for connecting devices in a _______ network.
A. Personal-Area Network
B. Wireless Area Network
C. Local Area Network
D. Wide Area Network
Correct Answer:
A
Chapter: 211
Q3333:
In a Bluetooth Piconet, there can be one _______ device and multiple _______ devices.
A. master, slave
B. master, router
C. router, slave
D. slave, master
Correct Answer:
A
Chapter: 211
Q3334:
Which of the following describes Bluetooth's coverage range?
A. Short distance
B. Medium distance
C. Long distance
D. Unlimited distance
Correct Answer:
A
Chapter: 211
Q3335:
Which of the following is responsible for the Bluetooth data packet format?
A. L2CAP
B. Physical Layer
C. Application Layer
D. Link Layer
Correct Answer:
A
Chapter: 211
Q3336:
Fill in the blank: Bluetooth devices can communicate in _______-Secondary communication mode.
A. Single
B. Multiple
C. None of the above
D. Any
Correct Answer:
B
Chapter: 211
Q3337:
Which of the following Bluetooth communication modes allows multiple devices to connect to a single master device?
A. Multiple-Secondary Communication
B. Single-Secondary Communication
C. Master Mode
D. Slave Mode
Correct Answer:
A
Chapter: 211
Q3338:
Fill in the blank: A Bluetooth Piconet allows communication between one _______ device and several _______ devices.
A. master, slave
B. master, router
C. slave, router
D. slave, master
Correct Answer:
A
Chapter: 211
Q3339:
Which of the following describes the Bluetooth architecture?
A. It follows the Internet model exactly
B. It uses a client-server model
C. It uses an ad-hoc network model
D. It uses a star network model
Correct Answer:
C
Chapter: 211
Q3340:
What is the primary function of the L2CAP layer in Bluetooth technology?
A. To establish physical connections
B. To handle data communication and segmentation
C. To manage network security
D. To route data packets
Correct Answer:
B