Microsoft Internet Information Server Microsoft Internet Information Server MCQ 3

Question 1

What is the primary function of the IIS Request Filtering module?

Accepted Answer

Blocking requests that match defined rules such as blocked verbs or file extensions

Answer

Request Filtering is a security module that rejects requests based on criteria like HTTP verbs, URL length, file extensions, and hidden segments before they reach the application.

Question 2

Which IIS logging format is W3C Extended Log File Format commonly compared to, and what advantage does it offer?

Accepted Answer

NCSA format; W3C allows selecting which fields to log

Answer

W3C Extended format is compared to NCSA Common format; W3C's key advantage is its customizability — administrators choose exactly which fields are written to log files.

Question 3

What does a 502 Bad Gateway error from IIS typically indicate?

Accepted Answer

IIS received an invalid response from an upstream server or backend process

Answer

A 502 error means IIS, acting as a gateway or proxy, received an invalid or incomplete response from the upstream application (e.g., a crashed worker process or ARR backend).

Question 4

In IIS, which feature enables a single server to host multiple websites that share the same IP address and port using different domain names?

Accepted Answer

Host header-based virtual hosting (SNI)

Answer

Host header-based virtual hosting uses the HTTP Host header (and SNI for HTTPS) to differentiate multiple websites on the same IP:port combination.

Question 5

What is the role of the World Wide Web Publishing Service (W3SVC) in IIS?

Accepted Answer

It listens for HTTP/HTTPS requests and routes them to the correct worker process

Answer

W3SVC is the Windows service that accepts incoming HTTP/HTTPS connections and dispatches them to the appropriate worker process (w3wp.exe) via the Windows Process Activation Service.

Microsoft Internet Information Server Practice Test

Microsoft Internet Information Server Practice Test

Microsoft Internet Information Server Microsoft Internet Information Server MCQ 3