CISSP Practice Exam 2026 – Complete Prep Guide

Secure Real-time Transport Protocol (SRTP) is an extension of the Real-time Transport Protocol (RTP) that provides encryption, message authentication, and integrity, and plays a crucial role in ensuring the confidentiality and security of multimedia communications transmitted over IP networks. SRTP is specifically designed to secure voice and video transmissions which are susceptible to interception and tampering.

One of the key features of SRTP is the use of advanced cryptographic techniques to protect data during transmission, helping to prevent eavesdropping and replay attacks. By incorporating security measures directly into the transport layer, SRTP enables real-time communication applications, such as VoIP and video conferencing, to maintain end-to-end security without significantly increasing latency.

The other options refer to protocols that lack the specific secure enhancements of SRTP. For instance, while "Simple Real-time Transport Protocol" and "Standard Real-time Transport Protocol" suggest a focus on functionality or simplicity, they do not acknowledge the security aspects that define SRTP. Lastly, "Synchronous Real-time Transport Protocol" does not correctly reflect the primary intent of SRTP, which revolves around securing real-time data sessions rather than synchronizing them.