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Module II: Browser & Apache Web Server Architecture; Common Protocols

20252m

Which of the following is an open-source web server software?

(i) IIS
(ii) Apache
(iii) Nginx
(iv) Tomcat

Worked SolutionAI Assisted

Correct Answer: (ii) Apache (Note: Nginx and Tomcat are also open-source; IIS is proprietary)

Explanation:

  • Apache HTTP Server is the most widely recognized open-source HTTP web server software developed and maintained by the Apache Software Foundation (ASF) under the Apache 2.0 License.
  • IIS (Internet Information Services) is a proprietary web server created by Microsoft.
  • Nginx and Apache Tomcat are also open-source server technologies, but in academic curricula Apache is standardly recognized as the primary open-source web server.

Key Features of Apache HTTP Server:

  1. Modular architecture (DSO - Dynamic Shared Objects).
  2. Highly customizable via .htaccess and httpd.conf.
  3. Broad support for CGI, PHP, Perl, and SSL/TLS.

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