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300-820 · Question #172
300-820 Question #172: Real Exam Question with Answer & Explanation
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Mobile and Remote Access
Question
An engineer is configuring the Expressway cluster to allow Jabber clients that are outside the enterprise network to register, make calls, and send instant messages using the internal Cisco UCM. Which action must be taken before a secure UC traversal zone is added to the Expressway-C?
Options
- AAdd Instant Message and Presence service clusters.
- BAdd a Cisco UCM cluster.
- CConfigure SIP OAuth mode.
- DEstablish certificate trust between the Expressway-C and Expressway-E.
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Topics
#Expressway#Mobile and Remote Access (MRA)#Traversal Zone#Certificate Trust