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350-030 · Question #312
350-030 Question #312: Real Exam Question with Answer & Explanation
The correct answer is E. SIP devices use the same port number for sending and receiving SIP messages.. See the full explanation below for the reasoning.
Question
Which statement correctly describes symmetric signaling in SIP?
Options
- ASIP devices use the same listening port for all incoming SIP messages.
- BSIP devices send and receive SIP messages at the same time.
- CSIP devices send SIP traffic to the same IP address and port number of an upstream element.
- DSIP devices use the same source port for SIP messages.
- ESIP devices use the same port number for sending and receiving SIP messages.
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