Which one of the following protocol is used for secure communication over a computer network?

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CSIR-CLRI JSA 2024 Official Paper-II (Held On: 16 Feb, 2025)
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  1. HTTPS
  2. HTTP
  3. FTP
  4. DHCP

Answer (Detailed Solution Below)

Option 1 : HTTPS
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Detailed Solution

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The correct answer is HTTPS.

Key Points

  •  HTTPS (Hypertext Transfer Protocol Secure) is a communication protocol used for secure communication over a computer network. It is a secure version of the standard HTTP protocol, where the 'S' stands for 'Secure'. HTTPS encrypts the communication between the user's browser and the web server, preventing eavesdropping and ensuring the integrity of the data transmitted. This encryption is typically achieved using Transport Layer Security (TLS) or its predecessor, Secure Sockets Layer (SSL). HTTPS is essential for protecting sensitive information such as login credentials, financial details, and personal data exchanged over the internet. Websites using HTTPS usually have a padlock icon in the browser's address bar, indicating a secure connection.
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