Which of the following protocols cannot be used to filter VoIP traffic?
A.
Media Gateway Control Protocol (MGCP)
B.
Real-time Transport Control Protocol (RTCP)
C.
Session Description Protocol (SDP)
D.
Real-Time Publish Subscribe (RTPS)
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D
D – Rest all protocols used for VOiP
Excerpt from Wikipedia “VoIP Protocols”:
Just to memorize all of these…
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Protocols
Voice over IP has been implemented in various ways using both proprietary protocols and protocols based on open standards. Examples of the VoIP protocols are:
H.323
Media Gateway Control Protocol (MGCP)
Session Initiation Protocol (SIP)
H.248 (also known as Media Gateway Control (Megaco))
Real-time Transport Protocol (RTP)
Real-time Transport Control Protocol (RTCP)
Secure Real-time Transport Protocol (SRTP)
Session Description Protocol (SDP)
Inter-Asterisk eXchange (IAX)
Jingle XMPP VoIP extensions
Skype protocol
Teamspeak