Important File Extensions Questions and Answers

Answer: D

Correct answer: Multiple Network Graphic

MNG stands for Multiple-image Network Graphics. It is the animated counterpart of PNG, standing to it roughly as animated GIF stands to GIF.

Answer: C

Correct answer: Portable Document Format

PDF stands for Portable Document Format, Adobe's format for documents that look the same on every machine because the file carries its own fonts and layout.

Answer: D

Correct answer: Audio Interchange File Format

AIFF is Audio Interchange File Format, the uncompressed audio format developed by Apple, corresponding to WAV on Windows.

Answer: D

Correct answer: .deb

.deb is the Debian package format, used by Debian and Ubuntu.

Answer: A

Correct answer: .ra

.ra is RealAudio, the streaming audio format from RealNetworks. .rtf is a document format and belongs to a different family altogether.

Answer: B

Correct answer: .cfg

.cfg holds configuration settings for a program. .cgi is a web script and .con is not an extension in use.

Answer: C

Correct answer: .msi

.msi is a Microsoft Installer package - a database of files and instructions that the Windows Installer service reads to install a program.

Answer: D

Correct answer: .php

PHP originally stood for Personal Home Page and now for PHP: Hypertext Preprocessor; its files take .php.

Answer: B

Correct answer: .mdb

.mdb is the Microsoft Access database format used up to Access 2003; from 2007 the default became .accdb.

Answer: B

Correct answer: Intermediate Range Ballistic Missile

IRBM stands for Intermediate Range Ballistic Missile, the class with a range of roughly 3,000 to 5,500 km - between the medium-range and intercontinental classes. The word being abbreviated is Range, not Resource.