Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q3361: Which technology uses the same ISM band as Bluetooth?
- A: Wi-Fi
- B: NFC
- C: Infrared
- D: DSL
View Answer
A
Q3362: Fill in the blank: The bandwidth used by Bluetooth technology is _______.
- A: 3.4 GHz
- B: 2.4 GHz
- C: 5.2 GHz
- D: 1.8 GHz
View Answer
B
Q3363: The presence of multiple devices in the 2.4 GHz band can cause _______.
- A: speed up
- B: data enhancement
- C: interference
- D: range extension
View Answer
C
Q3364: Which of the following statements is FALSE about Bluetooth?
- A: It uses long-range communication
- B: It operates in 2.4 GHz
- C: It has a built-in radio transmitter
- D: It uses several communication layers
View Answer
A
Q3365: Which protocol stack is Bluetooth **not** based on?
- A: OSI model
- B: TCP/IP stack
- C: Custom Bluetooth stack
- D: Internet model
View Answer
B
Q3366: Fill in the blank: Bluetooth communication uses a _______ GHz bandwidth.
- A: 1.5
- B: 2.4
- C: 3
- D: 4.9
View Answer
B
Q3367: What is the primary role of connecting devices in a network?
- A: To store data
- B: To secure connections
- C: To connect hosts or networks
- D: To display websites
View Answer
C
Q3368: Which of the following is NOT a type of connecting device?
- A: Hub
- B: Switch
- C: Router
- D: Monitor
View Answer
D
Q3369: Fill in the blank: ________ devices connect hosts to form a network or networks to form an internet.
- A: Transmitting
- B: Storing
- C: Connecting
- D: Forwarding
View Answer
C
Q3370: Which of the following types of devices work at the physical layer?
- A: Hub
- B: Switch
- C: Router
- D: Firewall
View Answer
A