500-710 question 9: For an H.323 call that is not interworked, which three signaling pr…

Q9Advanced Cisco Expressway FeaturesMultiple answers

For an H.323 call that is not interworked, which three signaling protocols are routed through the Expressway? (Choose three.)

Select 3 answers.

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Discussion · 3

I don't think this is right? Can someone please verify? I think it is A, B, C

A B C IS CORRECT

B, C, E 1

Selected Answer: BCE B. H.245: Is responsible for media channel negotiation and control (e.g., codec selection and capability exchange) in H.323 calls. C. RAS (Registration, Admission, and Status): Manages the registration of endpoints with gatekeepers, plus admission control and status inquiries in H.323. E. Q.931: Is used for call setup and teardown in H.323 signaling, similar to how SIP handles call setup.