When comparing SIP H.323 and MGCP, which of the following is specific to SIP?

Every VoIP endpoint must select one specific codec. Which of these codecs is the
mandatory codec?

What is the correct path selection for a call that is routed through a Cisco Unified
Communications Manager system?

Refer to Exhibit: If the user at extension 1001 dials the user at extension 2011, which dial
peer is used to route the call?

Refer to Exhibit: If the user at extension 1001 dials the user at extension 2001, which dial
peer is used to route the call?

Refer to Exhibit: If the user at extension 1001 dials the user at extension 2111, which dial
peer is used to route the call?

Refer to Exhibit: If the user at extension 1001 dials the user at extension 2002, which dial
peer is used to route the call?

Which type of IOS Conference bridge requires all users to use the same video format in
order to participate in a video conference?

Which two of the following DSPs can be used in heterogenous conferencing to achieve the
required trans-sizing and transcoding functionality? (Choose two.)

Which of the following simplifies and enhances conference resource management?