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Cisco 400-051 - Questions & Answers

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Question 1
Single choice

Company ABC is planning to migrate from Cisco MCS-hosted Cisco Unified Communications Manager applications to Cisco UC on UCS B-Series servers.

Which statement about external media supportability is true for this migration?

A.

The Cisco Music on Hold USB audio sound card on the MCS servers will continue to work on the USB ports on the UCS server.

B.

The Cisco Music on Hold USB audio sound card on the MCS servers will continue to work through the USB ports on the Cisco UCS server KVM dongle cable adaptor connected to the front of the UCS server.

C.

The Cisco Music on Hold USB audio sound card on the MCS servers will not work on the UCS server.

D.

The Cisco Music on Hold USB audio sound card can be mapped to a virtual USB port on a VMware virtual machine on the UCS server.

E.

The Cisco Music on Hold USB audio sound card can be mapped to a virtual serial port on a VMware virtual machine on the UCS server.

Question 2
Multiple choice

In a Cisco Unified Communications Manager system, which three locations does the TFTP server search when a device requests a configuration file from a TFTP server? (Choose three.)

A.

internal caches

B.

local disk

C.

alternate file server

D.

NFS server

E.

FTP server

F.

load server

Question 3
Multiple choice

Which three message types for RTCP are valid? (Choose three.)

A.

sender report

B.

end of participation

C.

source description

D.

sender codec

E.

receiver packets

F.

average MOS

Question 4
Multiple choice

Which three components are required when configuring the Cisco Unified Communications Manager for time-of-day routing? (Choose three.)

A.

Partition

B.

Time Period

C.

Time Schedule

D.

Time Zone

E.

Date Time Group

Question 5
Multiple choice

Which two steps must be taken when configuring EMCC? (Choose two.)

A.

An SFTP server that all clusters share must be set up.

B.

Certificates from all remote clusters must be imported into each cluster.

C.

Cross-cluster Enhanced Location CAC must be configured.

D.

End users must be configured to only exist in their home cluster.

E.

A device pool for EMCC phones must be configured.

F.

Define MLPP domains.

Question 6
Multiple choice

Which two settings must be the same between the backup source and restore target with DRS in Cisco Unified Communications Manager? (Choose two.)

A.

Server Hostname

B.

Server IP Address

C.

Cluster Security Password

D.

NTP Servers

E.

Domain Name

F.

Certificate Information

Question 7
Multiple choice

Which two rules apply to MMOH in SRST? (Choose two.)

A.

A maximum of three MOH groups are allowed.

B.

Cisco Unified SRST voice gateway allows you to associate phones with different MOH groups on the basis of their IP address to receive different MOH media streams.

C.

A maximum of five media streams are allowed.

D.

Cisco Unified SRST voice gateway allows you to associate phones with different MOH groups on the basis of their MAC address to receive different MOH media streams.

E.

Cisco Unified SRST voice gateway allows you to associate phones with different MOH groups on the basis of their extension numbers to receive different MOH media streams.

Question 8
Multiple choice

Which two QoS guidelines are recommended for provisioning interactive video traffic? (Choose two.)

A.

Latency should be no more than 4? seconds.

B.

Overprovision interactive video queues by 20% to accommodate bursts.

C.

Loss should be no more than 5%.

D.

Interactive video should be marked to DSCP CS4.

E.

Jitter should be no more than 30 ms.

Question 9
Multiple choice

Which two clock rates does Performance Monitor use to calculate RTP jitter values? (Choose two.)

A.

PCMU (G.711 mu-law) , 8000 Hz

B.

PCMU (G.711 mu-law) , 32000 Hz

C.

PCMA (G.711 A-law) , 16000 Hz

D.

H.263 , 90,000 Hz

E.

H.263 , 64,000 Hz

Question 10
Single choice

Which TFTP server address selection option has the highest precedence on Cisco SCCP IP phones using firmware release 8.0(4) or later?

A.

a manually configured alternate TFTP option on the phone

B.

the first Option 150 IP address received from the DHCP server

C.

the first Option 66 dotted decimal IP address received from the DHCP server

D.

the first IPv6 TFTP Server address received from the DHCP server

E.

the value of next-server IP address in the boot-up process

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