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A benefit of the three-tier architecture is which of the following?

  • A.New modules can be built to support specific business needs
  • B.Performance improves for compiled SQL statements
  • C.Results in a thinner client and database server
  • D.
    All of the above.

Answer: A

Correct answer: New modules can be built to support specific business needs

Separating the application logic into its own tier means new business function can be added there without touching the client or the database, and the same logic serves every client. The other options misstate the effects - the client becomes thinner but the database server does not, and compiled SQL performance belongs to stored procedures rather than to the architecture.

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