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Which of the following is true concerning the mainframe?

  • A.It is the same thing as client/server.
  • B.Requires someone to decide which code should be on the workstation or the server.
  • C.Mission-critical systems have tended to remain there.
  • D.All of the above.

Answer: C

Correct answer: Mission-critical systems have tended to remain there.

Mainframes have kept the workloads where reliability, throughput and long-established code matter most, and the move to client/server was largely a matter of new applications rather than migrated ones. The other options confuse the architectures - the mainframe is not client/server, and it is client/server that requires the split of code between workstation and server to be decided.

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