Q: 8
Refer to the exhibit.
Which INVITE is sent to 10.10.100.123 as a result of this log?
A)
B)
C)
D)
Which INVITE is sent to 10.10.100.123 as a result of this log?
A)
B)
C)
D)
Options
Discussion
SDP details actually trip you up here. For C to be right, the log has to match the Contact or sent-by specifically with 10.10.100.123, and if that changes due to NAT or proxy behavior then another option could fit. Similar questions in exam dumps flipped based on tiny detail changes so double check headers before picking C.
B seems more likely to me. Matching the SIP headers from the log, I noticed B's INVITE lines up closer with the Call-ID and SDP payload, at least from what I can tell. Not 100 percent on this though, corrections welcome.
I don't think it's C, looks more like B's INVITE matches what that log shows. C is a trap with the SDP details switched up.
Option C
Seen similar in the official guide, pretty sure it's C. Matching SIP headers and Call-ID is key here, so labbing helps if you're still unsure.
B or C-hard to tell without seeing the full SDP details in the log. If the Contact header and media IP lines up with C, then that's probably right, but B looks close too. Open to being proven wrong here.
C/C? Only flipped my pick after noticing the SDP section lines up when you check for media IP and ports. If the log showed a different Contact or sent-by, it could point to B instead. Not totally convinced but exam reports mention C here.
C
C/D? Based on some similar questions in the official guide and lab outputs, both look possible here.
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