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300-820 · Question #127
300-820 Question #127: Real Exam Question with Answer & Explanation
The correct answer is C: The NAT ALG cannot inspect the contents of encrypted signaling messages.. See the full explanation below for the reasoning.
Cisco Expressway for Collaboration
Question
Cisco Collaboration endpoints are exchanging encrypted signaling messages. What is one complication in implementing NAT ALG for voice and video devices?
Options
- ANAT ALG is not compatible with the H.323 signaling protocol.
- BNAT ALG introduces latency in the media path.
- CThe NAT ALG cannot inspect the contents of encrypted signaling messages.
- DNAT ALG requires the use of NAT reflection, which may not be supported on all firewalls.
Topics
#NAT ALG#Encrypted Signaling#Collaboration Security
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