Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1541: Fill in the blank: Multimode fiber optics are generally used in _______ environments.
- A: long-distance
- B: high-speed
- C: high-interference
- D: limited-distance
View Answer
D
Q1542: Which of the following is NOT a feature of multimode fiber optics?
- A: Multiple light paths
- B: Lower bandwidth compared to single-mode fiber
- C: Lower cost for long-distance transmission
- D: Shorter transmission range
View Answer
C
Q1543: What is the main limitation of multimode fiber optics compared to single-mode fiber?
- A: It is more expensive
- B: It has lower bandwidth
- C: It is used for shorter distances
- D: It is more durable
View Answer
B
Q1544: Which of the following types of fiber optics is most commonly used in networking and telecommunications?
- A: Single-mode fiber
- B: Multimode fiber
- C: Coaxial cables
- D: Twisted-pair cables
View Answer
B
Q1545: Fill in the blank: Multimode fiber optics are often used for _______ connections, such as those in data centers and local area networks (LANs).
- A: low-speed
- B: high-bandwidth
- C: Coaxial cables
- D: secure
View Answer
B
Q1546: What is the key feature of single-mode fiber optics?
- A: Transmits multiple light signals
- B: Transmits a single light signal
- C: Uses radio waves
- D: Transmits signals via electric current
View Answer
B
Q1547: Single-mode fiber optics are primarily used for ______.
- A: Short-distance communication
- B: Wi-Fi connections
- C: Long-distance communication
- D: Bluetooth connections
View Answer
C
Q1548: Fill in the blank: Single-mode fiber optics carry data using ______ light path.
- A: multiple
- B: a single
- C: an invisible
- D: a red
View Answer
B
Q1549: Which of the following statements is TRUE about single-mode fiber optics?
- A: They have a larger core than multimode fibers
- B: They transmit several light rays at once
- C: They are used for long-distance data transmission
- D: They are commonly found in homes
View Answer
C
Q1550: The core diameter of a typical single-mode fiber is about ______.
- A: 50 microns
- B: 62.5 microns
- C: 8-10 microns
- D: 100 microns
View Answer
C