Moderate

Which of the following utilities is not a part of Application Service Layer ?

Correct answer: D. Verify invoice

  • A. Policy implementation
  • B. QoS
  • C. Security
  • D. Verify invoice

Explanation

Policy implementation, quality of service, and security are cross-cutting utilities commonly supplied by the Application Service Layer. Verifying an invoice is a business operation rather than a general application utility.

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