Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1501: BNC connectors are more commonly used in ______.
- A: home routers
- B: CCTV systems
- C: LAN switches
- D: Wi-Fi networks
View Answer
B
Q1502: Which of the following is NOT true about BNC connectors?
- A: They use a bayonet-style lock
- B: They are used with coaxial cables
- C: They are commonly used in HDMI setups
- D: They support analog and digital signals
View Answer
C
Q1503: Which type of signal is often transmitted using BNC connectors?
- A: Audio only
- B: Power signal only
- C: Video signals
- D: Wi-Fi signals
View Answer
C
Q1504: What material is primarily used in fiber optic cables?
- A: Copper
- B: Aluminum
- C: Glass or plastic
- D: Silver
View Answer
C
Q1505: Fiber optic cables transmit signals in the form of ______.
- A: Electric current
- B: Magnetic waves
- C: Light
- D: Radiowaves
View Answer
C
Q1506: Fill in the blank: Light travels in a ______ line through a uniform substance.
- A: zigzag
- B: straight
- C: spiral
- D: random
View Answer
B
Q1507: What happens when light passes from one substance to another of different density?
- A: It disappears
- B: It speeds up
- C: It changes direction
- D: It becomes polarized
View Answer
C
Q1508: Which phenomenon is utilized in fiber optics to keep light inside the cable?
- A: Reflection
- B: Refraction
- C: Total internal reflection
- D: Diffraction
View Answer
C
Q1509: Fiber optic cable is made of ______.
- A: plastic or glass
- B: iron or copper
- C: rubber or silicon
- D: silver and tin
View Answer
A
Q1510: Fill in the blank: When a light ray enters a substance of different density, it ______.
- A: splits into two
- B: bends
- C: amplifies
- D: stops
View Answer
B