CCIE Collaboration Written: 400-051 Exam 400-051 Questions & Answers Exam Code: 400-051 Exam Name: CCIE Collaboration Written Q & A: 162 Q&As QUESTION 1 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. […]