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300-820 · Question #119
300-820 Question #119: Real Exam Question with Answer & Explanation
The correct answer is B: Avoid using any wild card in the source settings in the search rules.. See the full explanation below for the reasoning.
Cisco Expressway for Collaboration
Question
Cisco Collaboration deployment has video endpoints that can do B2B calls over the internet, but they also can make audio calls through a gateway. This ability means that someone from the internet can make fraud calls through the system. Which action must an engineer take to set up the search rules for calls that are being headed to the PSTN gateway?
Options
- AEnsure that only requests that are authenticated are allowed to make a PSTN call.
- BAvoid using any wild card in the source settings in the search rules.
- CAdd registered devices only in the search rule for the PSTN gateway.
- DAdd registered devices only in the zone for the PSTN gateway.
Topics
#Search Rules#Security#Fraud Prevention#Expressway Call Routing
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