Go back to 642-415 - UCAD - Unified Communications Architecture and Design Exam

Question :-

You have decided to use the MGCP signaling protocol for the PSTN gateway at Ajax. Which option is true regarding the use of a gatekeeper in their network?
One may be used for CAC
One could be used for address resolution.
One may be deployed for both CAC and address resolution.
A gatekeeper is not applicable in this situation.

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