Question 1

Which field of a Real-Time Transport Protocol packet allows receiving devices to detect lost packets?

Options :

A : timestamp

B : CSRC (Contributing source ID

C : sequence number

D : SSRC (Synchronization source identifier)

Answer: C

Question 2

What is the element of Cisco Collaboration infrastructure that allows Jabber clients outside of the network to register in Cisco Unified Communications Manager and use its resources?

Options :

A : Cisco IM and Presence node

B : Cisco Unified Border Element

C : Cisco Expressway

D : Cisco Prime Collaboration Provisioning server

Answer: C

Question 3

Which Cisco Unified Communications Manager service parameter should be enabled disconnect a multiparty call when the call initiator hangs up?

Options :

A :

A. Drop Ad Hoc Conference

B :

B. H.225 Block Setup Destination

C :

C. Block OffNet To OffNet Transfer

D :

D. Enterprise Feature Access Code for Conference

Answer: A

Question 4

A customer asked to integrate Unity Connection with Cisco UCM using SIP protocol. Which two features must be enabled on SIP security profiles? (Choose two.)

Options :

A : accept presence subscription

B : accept replaces header

C : accept unsolicited notification

D : allow changing header

E : enable application-level authorization

Answer: B,C

Question 5

Due to provider requirements, outgoing calls from the Enterprise to the PSTN must start with channel 1.

Which ISDN command changes the channel selection on IOS to meet this requirement?

Options :

A : isdn bchan-number-order descending

B : isdn bchan-number-order ascending

C : isdn protocol-emulate network

D : isdn incoming-voice voice

Answer: B

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