Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1451: Fiber optic cables are made of ______.
- A: copper
- B: plastic
- C: glass or plastic fibers
- D: iron
View Answer
C
Q1452: What problem does twisting the wires in a twisted-pair cable solve?
- A: Signal reflection
- B: Overheating
- C: Interference and crosstalk
- D: Slower speed
View Answer
C
Q1453: In a twisted-pair cable, the plastic insulation is primarily for ______.
- A: weight
- B: protection
- C: signal boosting
- D: aesthetics
View Answer
B
Q1454: Which of the following is NOT a characteristic of twisted-pair cables?
- A: Twisted conductors
- B: Plastic insulation
- C: Glass core
- D: Interference handling
View Answer
C
Q1455: What does UTP stand for in networking cables?
- A: Unlinked Twisted Pair
- B: Unshielded Twisted Pair
- C: Universal Twisted Pair
- D: Underground Twisted Pair
View Answer
B
Q1456: What is the full form of STP in networking?
- A: Shielded Twisted Pair
- B: Structured Twisted Pair
- C: Special Twisted Pair
- D: Secure Twisted Pair
View Answer
A
Q1457: STP cables differ from UTP cables by having ______.
- A: more bandwidth
- B: less insulation
- C: additional shielding
- D: fiber optic core
View Answer
C
Q1458: Which type of cable is more resistant to external interference?
- A: UTP
- B: STP
- C: Both UTP and STP
- D: None of these
View Answer
B
Q1459: Fill in the blank: ______ cables are cheaper and more commonly used in LANs.
- A: Fiber optic
- B: Coaxial
- C: UTP
- D: STP
View Answer
C
Q1460: What is a disadvantage of STP over UTP?
- A: Higher signal loss
- B: Lower speed
- C: Higher cost
- D: Less availability
View Answer
C