Data Bus Systems MCQ’s

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This set of Avionics Multiple Choice Questions & Answers (MCQs) focuses on “Data Bus Systems”.

1. What is the fastest mode of data communication between components in aircraft?
a) Coaxial cable
b) Twisted pair cable
c) Fiber optic cable
d) Radio communication

2. In an aircraft, serial data transfer is achieved by _________
a) Time division Multiplexing
b) Code Division Multiplexing
c) Frequency Division Multiplexing
d) Pulse Modulation

3. Which of the following is false with respect to AIRNIC?
a) Define system and equipment specification
b) Non-profit organization
c) Run by civil airlines with industry and establishment representation
d) Used only in America

4. What type of avionic architecture consist of a number of an interconnected but functionally independent subsystem with some degree of central computer of overall operating modes.
a) IMA architecture
b) Federated architecture
c) Disjoint architecture
d) Distributed architecture

5. The type of Ethernet data bus adapted for airborne applications is _______
a) Airborne Simplex Ethernet
b) Airborne Duplex Ethernet
c) Multiplexed Ethernet
d) Avionics Full Duplex Switched Ethernet

6. What property does data transmission in fiber optic cable exploit?
a) Refraction
b) Total internal reflection
c) Diffraction
d) Dispersion

7. How are Data bus in avionics architecture broadly divided into?
a) High speed and low speed data bus
b) AIRNIC and MIL standard data bus
c) Electrical and Optical data bus
d) Main and interconnecting data bus

8. What type of cable does MIL STD 1553 use?
a) Coaxial cable
b) Single twisted pair cable with shielding
c) Single twisted pair cable without shielding
d) Fiber optic cable

9. Which one of the following is the major difference between single mode and multi mode fibers?
a) Core material
b) Cladding material
c) Core diameter
d) Cladding diameter

10. Avionics Full Duplex Switched Ethernet provides flexibility to manage any change in the data communication between the connected systems without wiring modifications.
a) True
b) False

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