F5
101 · Question #247
101 Question #247: Real Exam Question with Answer & Explanation
The correct answer is B: Class 2. In F5 BIG-IP HTTP class matching, a class configured with 'No filters' acts as a catch-all and matches any HTTP request not already claimed by a more specific class higher in the evaluation order.
Section 5: Application Delivery Basics
Question
In the following configuration, a virtual server has the following HTTP class configuration: HTTP Class 2 = No filters
Options
- AClass 1
- BClass 2
- CBoth Class 1 and Class 2
- DThe request will be dropped
Explanation
In F5 BIG-IP HTTP class matching, a class configured with 'No filters' acts as a catch-all and matches any HTTP request not already claimed by a more specific class higher in the evaluation order.
Common mistakes.
- A. Class 1 has specific filter criteria defined, so only requests that satisfy those criteria would match Class 1; unmatched requests continue to the next class.
- C. A request can only be matched by one HTTP class at a time; once it matches Class 2, it is not simultaneously matched by Class 1.
- D. The request is not dropped because a class with no filters serves as a default match, ensuring the request is handled rather than discarded.
Concept tested. F5 BIG-IP HTTP class no-filter catch-all matching behavior
Topics
#HTTP class#traffic policy#content switching#virtual server
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