Microsoft Internet Information Server IIS Performance & Troubleshooting

Question 1

What IIS feature caches frequently requested static content in kernel mode for faster delivery?

Accepted Answer

Output Caching with kernel-mode caching

Answer

Application pool recycling

Answer

Compression

Answer

Dynamic content acceleration

Question 2

Which IIS diagnostic tool captures detailed information about failed requests including execution time and module traces?

Accepted Answer

Failed Request Tracing (FREB)

Answer

Event Viewer

Answer

Performance Monitor

Answer

Request Monitor

Question 3

What does IIS static compression do?

Accepted Answer

Compresses static files once and caches the compressed version for subsequent requests

Answer

Compresses dynamic responses on every request

Answer

Encrypts static file transfers

Answer

Minifies JavaScript and CSS at runtime

Question 4

What HTTP status code does IIS return when a requested resource is not found?

Accepted Answer

404

Answer

403

Answer

500

Answer

503

Question 5

What does an HTTP 503 Service Unavailable response from IIS typically indicate?

Accepted Answer

The application pool is stopped or has crashed

Answer

A file permission error

Answer

An invalid SSL certificate

Answer

A DNS resolution failure

Question 6

Which IIS log format provides the most information and is the default for new IIS installations?

Accepted Answer

W3C Extended Log Format

Answer

NCSA Common Log Format

Answer

IIS Log Format

Answer

Binary Log Format