400-051 Exam Dumps | Which two statements describe security services that are provided by the Phone Proxy function on a Cisco

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Question 37/287

Which two statements describe security services that are provided by the Phone Proxy function on a Cisco ASA appliance? (Choose two.)

A. It is supported only on phones that use SCCP.

B. It is supported on an adaptive security appliance that runs in transparent mode.

C. It provides interworking to ensure that the external IP phone traffic is encrypted, as long as the Cisco Unified Communications Manager cluster runs in secure mode.

D. It provides a proxy of phone signaling, with optional use of NAT, to hide the Cisco Unified Communications Manager IP address from the public Internet.

E. It proxies phone media so that internal phones are not directly exposed to the Internet.

F. It supports IP phones that send phone proxy traffic through a VPN tunnel.

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