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101 · Question #103

101 Question #103: Real Exam Question with Answer & Explanation

The correct answer is C: Search and replace all occurrences of a specified string in requests and responses processed by. A BIG-IP streaming profile performs bidirectional search-and-replace, rewriting all matching string occurrences in both HTTP requests and HTTP responses passing through the virtual server.

Question

A, steaming profile will do which of the following?

Options

  • ASearch and replace all occurrences of a specified string only is responses processed by a virtual
  • BSearch and replace all occurrences of a specified string only in request processed by a virtual
  • CSearch and replace all occurrences of a specified string in requests and responses processed by
  • DSearch and replace the first occurrence of a specified of a specified string in either a request or

Explanation

A BIG-IP streaming profile performs bidirectional search-and-replace, rewriting all matching string occurrences in both HTTP requests and HTTP responses passing through the virtual server.

Common mistakes.

  • A. Limiting replacement to responses only describes a response-direction rewrite, which is not the behavior of a streaming profile - it operates on both traffic directions.
  • B. Limiting replacement to requests only ignores the response path, which the streaming profile also processes.
  • D. The streaming profile replaces all occurrences of the target string, not only the first occurrence found in a given message.

Concept tested. BIG-IP streaming profile search and replace behavior

Reference. https://techdocs.f5.com/en-us/bigip-15-1-0/big-ip-local-traffic-management-profiles-reference/configuring-the-stream-profile.html

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