Which enrollment method does a Cisco IOS VPN router trustpoint use to install a Certificate
Authority Proxy Function certificate for LSC validation of a Cisco IP phone client?

Which two are characteristics of jitter buffers? (Choose two.)

Which statement about what happens to a Cisco IOS SIP VoIP dial-peer that never received any
responses to its out-of-dialog OPTIONS ping is true?

Which three options are valid per-session video conference participants supported on the Cisco
Integrated Router Generation 2 with packet voice and video digital signal processor 3? (Choose
three.)

Which Cisco packet voice and video digital signal processor 3 can be used for video mixing on a
Cisco Integrated Router Generation 2?

Which Cisco IOS multipoint video conferencing profile is also known as best-effort video on the
Cisco Integrated Router Generation 2 with packet voice and video digital signal processor 3?

Which two Cisco IOS multipoint video conferencing profiles are supported on the Cisco Integrated
Router Generation 2 with packet voice and video digital signal processor 3? (Choose two.)

Which two analog telephony signaling methods are most vulnerable to glare conditions? (Choose
two.)

Which two responses from a SIP device, which is the only remote destination on a Cisco Unified
Communications Manager SIP trunk with OPTIONS ping enabled, cause the trunk to be marked
as “Out of Service”? (Choose two.)

Which two statements about the restrictions for support of H.239 are true? (Choose two.)