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Match each network with its distinguishing feature.

List I

A. Controller area network

B. Local interconnect network

C. FlexRay

List II

P. single wire master and slave

Q. differential pair with bitwise arbitration

R. time triggered with redundant channels

Select the correct match.

  • A.A-Q, B-R, C-P
  • B.A-Q, B-P, C-R
  • C.A-P, B-Q, C-R
  • D.A-R, B-P, C-Q

Answer: B

Each network answers a different requirement: robust general purpose messaging, cheap simple polling, and deterministic safety critical control. Matching the network to the duty is the whole design principle. Working the distinction through on a single concrete case fixes it more firmly than any rule of thumb. Naming what changes and what stays the same is the reliable route through questions of this shape. The shared properties explain why these belong to one family, and the differences explain why more than one exists.

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