New Updated Cisco CCIE Voice 350-030 Real Exam Download 221-230

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QUESTION 221

Based upon your understanding of an SCCP 7960 IP phone bootup sequence, which two of these must be true in order for Cisco Unified Communications Manager to send an IP phone an SEPDefault.cnf file instead of an SEP (MAC address) file? (Choose two.)

 

A.      The IP phone must request the SEPDefault.cnf file explictly.

B.      Auto registration must be enabled.

C.      The IP phone must be configured in the “default” partition.

D.      The IP phone should not have previously registered with this Cisco Unified Communications Manager cluster.

E.       The IP phone must have previously registered, but also power cycled.

 

Answer: CE

 

 

QUESTION 222

Which two of these require specific Active Directory schema extensions? (Choose two.)

 

A.      Cisco Unity Bridge Networking

B.      Cisco Unity SMTP Networking

C.      Cisco Unity AMIS Networking

D.      Cisco Unity VPIM Networking

 

Answer: AD

 

 

QUESTION 223

Which four of these are reasons why TCP cannot be used for transferring audio and video over UDP? (Choose four.)

 

A.      TCP does not have a mechanism for sufficiently long buffering and adequate average throughput.

B.      Reliable transmission is inappropriate for delay-sensitive data such as real-time audio and video.

C.      TCP cannot support multicast.

D.      The TCP congestion control mechanisms decrease the congestion window within which packet losses are detected (“slow start”).

E.       TCP headers are larger than UDP headers.

 

Answer: BCDE

 

 

QUESTION 224

A software media termination point should be deployed to support which call-processing models and services?

 

A.      remote sites for multi-site distributed call-processing models and H.323v2

B.      remote sites in a centralized call-processing model and H.323.v4

C.      single-site call-processing models and H.323v2

D.      IP telephony service providers

 

Answer: C

 

 

 

QUESTION 225

If all n MTP transcoding sessions are utilized, and an n + 1 connection is attempted, how will the next call be treated?

 

A.      it will not use an MTP and will use the transcoding resources associated with the codec to complete the call

B.      it will be redirected to the PSTN due to a lack of MTP resources

C.      it will use the alternate codec type and attempt to complete the call

D.      it will complete the call without using the MTP transcoding resource

 

Answer: D

 

 

QUESTION 226

A company has two remote sites and one main site. Each site has a Cisco Unified Communications Manager Express router with many IP phones in an IP telephony deployment. The network administrator wants to provide all of the phones with voice-mail access using Cisco Unity Express. How should Cisco Unity Express be deployed?

 

A.      Cisco Unity Express and the Cisco Unified Communications Manager Express gateway at each site must be collocated in the same router chassis that provides voicemail access to local IP phones that are registered to the local instance of Cisco Unified Communications Manager Express.

B.      One instance of Cisco Unity Express can be used at the main site, with a Cisco Unified Communications Manager Express router providing voice-mail access to all three sites.

C.      One instance of Cisco Unity Express can be used at the main site, providing voice-mail access to the IP phones at the main site, and another instance of Cisco Unity Express with Cisco Unified Communications Manager Express can be used at one of the remote sites, providing voice-mail access to all of the IP phones at both remote sites.

D.      Cisco Unity Express and the Cisco Unified Communications Manager Express gateway at each site may not be collocated in the same router chassis that provides voice-mail access to local IP phones registered to the local instance of Cisco Unified Communications Manager Express.

 

Answer: A

 

 

QUESTION 227

Which three statements apply to the Certificate Trust List file? (Choose three.)

 

A.      It is a list of devices and credentials that a phone should trust on the network.

B.      It is signed using the administrator workstation password.

C.      It contains identity, public key, and role information.

D.      Phones need to trust only the Cisco Unified Communications Manager and TFTP entries in the CTL file.

E.       It is loaded on the phone each time an authentication is required.

F.       It is created by the CTL client on the administrator workstation.

 

Answer: ACF

 

 

QUESTION 228

Which one of these Cisco Unified CallManager 4.1(2) applications requires JTAPI support?

 

A.      Forced Account Codes (FAC)

B.      First-Party Call Control

C.      CTI Route Point

D.      Third-Party Call Control

 

Answer: A

 

 

QUESTION 229

On a converged network, CAC is used to ensure that new voice calls do not degrade which of these?

 

A.      existing voice calls on a time division multiplexed circuit

B.      existing voice calls on a statistically multiplexed circuit

C.      existing data flows on a time division multiplexed circuit

D.      existing data flows on a statistically multiplexed circuit

 

Answer: B

 

 

QUESTION 230

Which three statements apply to DHCP snooping? (Choose three.)

 

A.      It protects DHCP servers from denial of service attacks.

B.      It can validate ARP packets in a network and permit the interception, logging, and discarding of ARP packets with invalid MAC address to IP address bindings.

C.      It will provide security by filtering untrusted DHCP messages and then using these messages to build and maintain a DHCP snooping binding table.

D.      DHCP snooping considers untrusted any DHCP messages that originate from a user-facing port that is not a DHCP server port or an uplink to a DHCP server.

E.       The DHCP snooping binding table contains information about hosts that are connected with any interface configured to send messages from within the network only.

F.       The DHCP snooping binding table contains information regarding hosts that are interconnected with the trusted interface configured to receive messages from within the network only.

 

Answer: ABD

 

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