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CISSP · Question #995
CISSP Question #995: Real Exam Question with Answer & Explanation
The correct answer is B: Secure Real-time Transport Protocol (SRTP). Secure Real Time Transport Protocol (SRTP), aka Secure RTP or RTP Protocol, is used in VoIP, video and multimedia applications.
Submitted by carlos_mx· Mar 5, 2026Communication and Network Security
Question
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?
Options
- ASecure File Transfer Protocol (SFTP)
- BSecure Real-time Transport Protocol (SRTP)
- CGeneric Routing Encapsulation (GRE)
- DInternet Protocol Security (IPSec)
Explanation
Secure Real Time Transport Protocol (SRTP), aka Secure RTP or RTP Protocol, is used in VoIP, video and multimedia applications.
Topics
#VoIP security#SRTP#secure protocols
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