Which of the following secure transport protocols is often used to secure Voice over Internet Protocol (VoIP) communications on a network from end to end?
B. Secure Real-time Transport Protocol (SRTP)
SRTP is specifically designed for securing real-time voice and video communications, such as those used in VoIP systems. It provides encryption, authentication, and protection against various attacks to ensure the confidentiality and integrity of VoIP traffic.
B. Secure Real-time Transport Protocol (SRTP) is often used to secure Voice over Internet Protocol (VoIP) communications on a network from end to end.
SRTP is a security protocol that provides confidentiality, integrity, and authenticity protection for real-time communications such as VoIP. It uses encryption and authentication to secure the communication and to protect against tampering, eavesdropping, and replay attacks. SRTP works by encrypting the media payload (voice or video) and it can be used in conjunction with other protocols such as Secure RTP Control Protocol (SRTCP) for key management and authentication.
Answer is B
"Secure Real Time Transport Protocol (SRTP), aka Secure RTP or RTP Protocol, is used in VoIP, video and multimedia applications."
https://vocal.com/voip/srtp/
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