Microsoft Internet Information Server IIS Application Pools & Worker Processes 2

Question 1

What does the '.NET CLR version' setting in an IIS application pool specify?

Accepted Answer

Which version of the .NET framework the pool uses to run managed code

Answer

The .NET CLR version setting selects which version of the .NET framework (such as v2.0 or v4.0) the application pool will load to execute managed code.

Question 2

What does the 'Rapid Fail Protection' feature do in an IIS application pool?

Accepted Answer

Disables an application pool after repeated worker process failures within a time window

Answer

Rapid Fail Protection disables an application pool when its worker process fails more than a configured number of times within a set period, preventing resource exhaustion from repeated crash loops.

Question 3

Which application pool identity runs with the least privilege for hosting IIS applications?

Accepted Answer

ApplicationPoolIdentity

Answer

ApplicationPoolIdentity creates a unique, automatically managed virtual account per pool with only the permissions needed to run the pool, making it the most restrictive and recommended identity.

Question 4

What does the 'Queue Length' setting control in an IIS application pool?

Accepted Answer

The maximum number of HTTP requests that can queue for the pool before a 503 error is returned

Answer

Queue Length sets the maximum number of pending HTTP requests that can wait for an available worker process before IIS returns a 503 Service Unavailable response.

Question 5

Which Windows event log should administrators check when an IIS application pool fails to start?

Accepted Answer

Application Log

Answer

Application pool startup failures and worker process errors are recorded in the Windows Application Event Log, typically under the IIS-W3SVC-WP source.

Microsoft Internet Information Server Practice Test

Microsoft Internet Information Server Practice Test

Microsoft Internet Information Server IIS Application Pools & Worker Processes 2