Question 1

Which version is used to provide encryption for SNMP management traffic in collaboration deployments?
A) SNMPv2c
B) SNMPv2
C) SNMPv1
D) SNMPv3

Accepted Answer

SNMPv3 is the version that provides encryption and enhanced security features for SNMP management traffic, unlike SNMPv1 and SNMPv2c which do not support encryption.

Question 2

Which two functionalities does Cisco Expressway provide in the Cisco Collaboration architecture? (Choose two.)
A) Survivable Remote Site Telephony functionality
B) customer interaction management services
C) secure firewall and NAT traversal for mobile or remote Cisco Jabber and TelePresence Video endpoints
D) MGCP gateway registration
E) Secure business-to-business communications

Accepted Answer

Cisco Expressway provides secure firewall and NAT traversal for mobile or remote Cisco Jabber and TelePresence Video endpoints, as well as secure business-to-business communications.

Question 3

Which SNMP service must be activated manually on the Cisco UCM after installation?
A) Host Resources Agent
B) Cisco CallManager SNMP
C) Connection SNMP Agent
D) SNMP Master Agent

Accepted Answer

The Cisco CallManager SNMP service is not enabled by default and must be manually activated after the installation of Cisco Unified Communications Manager (UCM).

Question 4

What is a software-based media resource that is provided by the Cisco IP Voice Media Streaming Application?
A) video conference bridge
B) auto-attendant
C) transcoder
D) annunciator

Accepted Answer

The Cisco IP Voice Media Streaming Application provides software-based media resources like the annunciator, which plays announcements to callers.

Question 5

When a user dials a number with a phone that is registered to the Cisco Unified Communications Manager, what is the default timeout before the number is sent?
A) 15 seconds
B) 5 seconds
C) 10 seconds
D) 3 seconds

Accepted Answer

The default interdigit timeout in Cisco Unified Communications Manager is 10 seconds. This is the time the system waits after a user stops dialing to assume the number is complete and send it for processing.

Question 6

A presence redundancy group is deployed, and an engineer initiates a manual fallback. Which statement about Cisco Server Recovery Manager is true?
A) disconnects all users that had been failed over, and the users must log in again
B) disconnects all users that had been failed over
C) restarts critical services on the secondary node
D) restarts the Cisco Presence Engine

Accepted Answer

Cisco Server Recovery Manager disconnects all users that had been failed over.

Question 7

On a Cisco Catalyst Switch, which command is required to send CDP packets on a switch port that configures a Cisco IP phone to transmit voice traffic in 802.1Q frames, tagged with the voice VLAN ID 221?
A) Device(config-if)# switchport trunk allowed vlan 221
B) Device(config-if)# switchport vlan voice 221
C) Device(config-if)# switchport voice vlan 221
D) Device(config-if)# switchport access vlan 221

Accepted Answer

The command "switchport voice vlan 221" is used to configure a Cisco IP phone to transmit voice traffic tagged with the specified voice VLAN ID on a switch port.

Question 8

A user dials 9011841234567 to reach Vietnam. Which steps send the call to the PSTN provider as 011841234567?
A) 
B) 
C) 
D)

Accepted Answer

The answer of A user dials 9011841234567 to reach Vietnam....

Question 9

An administrator recently upgraded a Cisco Webex DX80 through its web interface but discovered the next morning that the unit has received to its previous version. What must the administrator do to prevent this from happening again?
A) Assign a phone security profile with secure SIP.
B) Set the prepare cluster for rollback to pre-8.0 enterprise parameter to true.
C) Confirm the phone load name in the phone configuration.
D) Assign a universal device template to the phone.

Accepted Answer

The administrator should confirm the phone load name in the phone configuration to ensure that the device is using the correct firmware version and not reverting to a previous one.

Question 10

When configuring Cisco UCM, which configuration enables phones to automatically reregister to a Cisco UCM publisher when the connection to the subscriber is lost?
A) SRST
B) Route Group
C) Device Pool
D) Cisco UCM Group

Accepted Answer

SRST (Subscriber Re-Registration Survivability Timer) enables phones to automatically reregister to a Cisco UCM publisher when the connection to the subscriber is lost.

Question 11

Which statement about Cisco Unified Communications Manager and Cisco IM and Presence backups is true?
A) Backups should be scheduled during off-peak hours to avoid system performance issues.
B) Backups are saved as .tar files and encrypted using the web administrator account.
C) Backups are saved as unencrypted.tar files.
D) Backups are not needed for subscriber Cisco Unified Communications Manager and Cisco IM and Presence servers.

Accepted Answer

Backups should be scheduled during off-peak hours to minimize the impact on system performance and ensure that the backup process does not interfere with normal operations.

Question 12

When a new SIP phone is registered to Cisco Unified Communications Manager, it keeps failing and showing an "unprovisioned" error message in the phone display. Which problem is a possible cause of this issue?
A) Auto-registration is disabled on the Cisco Unified Communications Manager nodes and the phone device does not have a DN configured.
B) The DN assigned to the phone is already in use by another SIP phone.
C) The phone cannot download and install the latest firmware.
D) The DHCP settings are set incorrectly and the phone does not have an alternate TFTP defined.
E) The DN configuration for this phone is shared with an SCCP phone, which is not supported.

Accepted Answer

The answer of When a new SIP phone is registered...

Question 13

Which configuration step is necessary for a Cisco SIP phone to synchronize its time with a specific source?
A) Add a Phone NTP Reference to the Date/Time Group.
B) Assign the device to the correct region.
C) Change the Time Format from 24-hour to 12-hour.
D) Change the Time Zone from "America/Los_Angeles" to "Etc/GMT+8".

Accepted Answer

To synchronize a Cisco SIP phone's time with a specific source, you need to add a Phone NTP Reference to the Date/Time Group. This ensures the phone receives the correct time from the designated NTP server.

Question 14

When setting a new primary DNS server in the Cisco UCM CLI, what is required for the change to take affect?
A) restart of CallManager service
B) restart of DirSync service
C) restart of the network service
D) restart of TFTP service

Accepted Answer

The CallManager service must be restarted for the change to take effect.

Question 15

A customer wants a video conference with five Cisco TelePresence IX5000 Series systems. Which media resource is necessary in the design to fully utilize the immersive functions?
A) Cisco PVDM4-128
B) software conference bridge on Cisco Unified Communications Manager
C) Cisco Webex Meetings Server
D) Cisco Meeting Server

Accepted Answer

The answer of A customer wants a video conference with...

Question 16

Which two functions are provided by Cisco Expressway Series? (Choose two.)
A) interworking of SIP and H.323
B) endpoint registration
C) intercluster extension mobility
D) voice and video transcoding
E) voice and video conferencing

Accepted Answer

The answer of Which two functions are provided by Cisco...

Question 17

What are two key features of the Expressway series? (Choose two.)
A) IP to PSTN call connectivity
B) B2B calls
C) VPN connection toward the internal UC resources
D) SIP header modification
E) device registration over the Internet

Accepted Answer

The Expressway series supports B2B calls, allowing secure communication between businesses, and enables device registration over the Internet, facilitating remote access without a VPN.

Question 18

What is the validity period of the ITL Recovery certificate in Cisco UCM?
A) 1 year
B) 20 years
C) 5 years
D) 10 years

Accepted Answer

The ITL Recovery certificate in Cisco Unified Communications Manager (UCM) is valid for 20 years.

Question 19

An engineer must extend the corporate phone system to mobile users connecting through the internet with their own devices. One requirement is to keep that as simple as possible for end users. Which infrastructure element achieves these goals?
A) Cisco Express Mobility
B) Cisco Expressway-C and Expressway-E
C) Cisco Unified Border Element
D) Cisco Unified Instant Messaging and Presence

Accepted Answer

The answer of An engineer must extend the corporate phone...

Question 20

Which two conditions must a user meet to provision a new device using the Self-Provisioning feature? (Choose two.)
A) The user must have a primary extension.
B) At least two DNs must be assigned to the user device.
C) The user must be part of "Standard CCM Super User".
D) The user must have the appropriate universal device template linked to the user profile.
E) The user must have at least one user device profile assigned.

Accepted Answer

The user must have a primary extension to identify the user, and the appropriate universal device template must be linked to the user profile to ensure the correct configuration is applied during provisioning.

Exam 42: Developing Applications using Cisco Core Platforms and APIs (DEVCOR)

Which version is used to provide encryption for SNMP management traffic in collaboration deployments?

Which two functionalities does Cisco Expressway provide in the Cisco Collaboration architecture? (Choose two.)

Which SNMP service must be activated manually on the Cisco UCM after installation?

What is a software-based media resource that is provided by the Cisco IP Voice Media Streaming Application?

When a user dials a number with a phone that is registered to the Cisco Unified Communications Manager, what is the default timeout before the number is sent?

A presence redundancy group is deployed, and an engineer initiates a manual fallback. Which statement about Cisco Server Recovery Manager is true?

On a Cisco Catalyst Switch, which command is required to send CDP packets on a switch port that configures a Cisco IP phone to transmit voice traffic in 802.1Q frames, tagged with the voice VLAN ID 221?

A user dials 9011841234567 to reach Vietnam. Which steps send the call to the PSTN provider as 011841234567?

An administrator recently upgraded a Cisco Webex DX80 through its web interface but discovered the next morning that the unit has received to its previous version. What must the administrator do to prevent this from happening again?

When configuring Cisco UCM, which configuration enables phones to automatically reregister to a Cisco UCM publisher when the connection to the subscriber is lost?

Which statement about Cisco Unified Communications Manager and Cisco IM and Presence backups is true?

When a new SIP phone is registered to Cisco Unified Communications Manager, it keeps failing and showing an "unprovisioned" error message in the phone display. Which problem is a possible cause of this issue?

Which configuration step is necessary for a Cisco SIP phone to synchronize its time with a specific source?

When setting a new primary DNS server in the Cisco UCM CLI, what is required for the change to take affect?

A customer wants a video conference with five Cisco TelePresence IX5000 Series systems. Which media resource is necessary in the design to fully utilize the immersive functions?

Which two functions are provided by Cisco Expressway Series? (Choose two.)

What are two key features of the Expressway series? (Choose two.)

What is the validity period of the ITL Recovery certificate in Cisco UCM?

An engineer must extend the corporate phone system to mobile users connecting through the internet with their own devices. One requirement is to keep that as simple as possible for end users. Which infrastructure element achieves these goals?

Which two conditions must a user meet to provision a new device using the Self-Provisioning feature? (Choose two.)