350-801: Implementing Cisco Collaboration Core Technologies (CLCOR)

Question #: 1
Topic #: 1
Which two functionalities does Cisco Expressway provide in the Cisco Collaboration architecture? (Choose two.)

A. Survivable Remote Site Telephony functionality
B. MGCP gateway registration
C. secure business-to-business communications
D. customer interaction management services
E. secure firewall traversal for remote devices

Selected Answer: CE

Question #: 2
Topic #: 1
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

Selected Answer: B

Question #: 3
Topic #: 1
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

Selected Answer: D

Question #: 4
Topic #: 1
An engineer is designing a load balancing solution for two Cisco Unified Border Element routers. The first router (cube1.abׁ.com) takes 60% of the calls and the second router (cube2.abc.com) takes 40% of the calls. Assume all DNS A records have been created. Which two SRV records are needed for a load balanced solution? (Choose two.)

A. _sip._udp.abc.com 60 IN SRV 2 60 5060 cube1.abc.com
B. _sip._udp.abc.com 60 IN SRV 60 1 5060 cube1.abc.com
C. _sip._udp.abc.com 60 IN SRV 1 40 5060 cube2.abc.com
D. _sip._udp.abc.com 60 IN SRV 3 60 5060 cube2.abc.com
E. _sip._udp.abc.com 60 IN SRV 1 60 5060 cube1.abc.com

Selected Answer: CE

Question #: 5
Topic #: 1
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

Selected Answer: AB

Question #: 6
Topic #: 1
An incoming off-net call to a user fails. An engineer notices that the off-net call is G.711, but the phone accepts only G.729. Which media resource on a Cisco
Unified Border Element and Cisco Unified Communications Manager must the engineer configure to manage the codec negotiation?

A. transcoder
B. CFB
C. MOH
D. MTP

Selected Answer: A

Question #: 7
Topic #: 1
Which Cisco Unified Communications Manager service parameter should be enabled disconnect a multiparty call when the call initiator hangs up?

A. Drop Ad Hoc Conference
B. H.225 Block Setup Destination
C. Block OffNet To OffNet Transfer
D. Enterprise Feature Access Code for Conference

Selected Answer: A

Question #: 8
Topic #: 1
A network administrator deleted a user from the LDAP directory of a company. The end user shows as Inactive LDAP Synchronized User in Cisco Unified
Communications Manager. Which step is next to remove this user from Cisco Unified Communications Manager?

A. Delete the user directly from Cisco Unified Communications Manager
B. Restart the Dirsync service after the user is deleted from LDAP directory.
C. Execute a manual sync to refresh the local database and delete the end user.
D. Wait 24 hours for the garbage collector to remove the user.

Selected Answer: D

Question #: 9
Topic #: 1
A customer has Cisco Unity Connections that is integrated with LDAP. As a Unity Connection administrator, you have received a request to change the first name for VM user. Where must the change be performed?

A. Cisco Unity Connection
B. Cisco Unified Communications Manager end user
C. Active Directory
D. Cisco IM and Presence

Selected Answer: C

Question #: 10
Topic #: 1
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 ג€America/Los_Angeles” to ג€Etc/GMT+8″.

Selected Answer: A

Question #: 11
Topic #: 1
After an engineer runs the utils ntp status command on the Cisco Unified Communications Manager publisher, the stratum value is 16. Which issue can the
Cisco Unified CM cluster experience?

A. Unified CM sends an NTPv4 packet.
B. Database replication is not synchronized on the Unified CM nodes.
C. The cluster loses access to port 124 at the firewall.
D. The date/time group on all phones defaults to the time zone of the engineer.

Selected Answer: B

Question #: 12
Topic #: 1
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.

Selected Answer: A

Question #: 13
Topic #: 1
Which DHCP option must be set up for new phones to obtain the TFTP server IP address?

A. option 15
B. option 6
C. option 66
D. option 120

Selected Answer: C

Question #: 14
Topic #: 1
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 ג€Standard CCM Super Userג€.
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.

Selected Answer: AD

Question #: 15
Topic #: 1
How many DNS SRV entries can be defined in the SIP trunk destination address field in Cisco Unified Communications Manager?

A. 1
B. 8
C. 16
D. 4

Selected Answer: A

Question #: 16
Topic #: 1
On which Cisco Unified Communications Manager nodes can the TFTP service be enabled?

A. any node
B. any two nodes
C. only nodes that have Cisco Unified CM service enabled
D. any subscriber nodes

Selected Answer: A

Question #: 17
Topic #: 1
Which issue causes slips on a PRI?

A. incorrect clock source
B. incorrect encapsulation
C. incorrectly configured time zone
D. change in the line code

Selected Answer: A

Question #: 18
Topic #: 1
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.

Selected Answer: C

Question #: 19
Topic #: 1
An engineer is notified that the Cisco TelePresence MX800 that is registered in Cisco Unified Communications Manager shows an empty panel, and the Touch 10 shows a corresponding icon with no action when pressed. Where does the engineer go to remove the inactive custom panel?

A. The Software Upgrades page in CUCM OS Administration
B. The In-Room Control Editor on the webpage of the MX800
C. The phone configuration page in CUCM Administration
D. The SIP Trunk Security Profile page in CUCM Administration

Selected Answer: B

Question #: 20
Topic #: 1
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

Selected Answer: A

Question #: 21
Topic #: 1
Which packet delay is the maximum supported between Cisco Unified Communications Manager nodes for clustering over WAN deployments?

A. 150 ms round tip
B. 510 ms round trip
C. 40 ms round trip
D. 80 ms round trip

Selected Answer: D

Question #: 22
Topic #: 1
Where is the default Interregion Maximum Session Bit Rate for a region configured?

A. Service Parameter Configuration
B. Enterprise Phone Configuration
C. Enterprise Parameters Configuration
D. Region Configuration

Selected Answer: A

Question #: 23
Topic #: 1
A Cisco TelePresence SX80 suddenly has issues displaying main video to a display over HDMI. Which command can you use from the SX80 admin CLI to check the video output status to the monitor?

A. xStatus Video Output
B. xCommand Video Status
C. xConfiguration Video Output
D. xStatus HDMI Output

Selected Answer: A

Question #: 24
Topic #: 1
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.

Selected Answer: A

Question #: 25
Topic #: 1
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

Selected Answer: D

Question #: 26
Topic #: 1
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

Selected Answer: A

Question #: 27
Topic #: 1
An engineer deploys a Cisco Expressway-E server for a customer who wants to utilize all features on the server. Which feature does the engineer configure on the
Expressway-E?

A. H.323 endpoint registrations
B. VTC bridge
C. MRA
D. SIP gateway for PSTN providers

Selected Answer: C

Question #: 28
Topic #: 1
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

Selected Answer: B

Question #: 29
Topic #: 1
A company deploys centralized Cisco UCM architecture for a hub location and two remote sites.
✑ The company has only one ITSP connection at the hub location, and ITSP supports only G.711 calls.
✑ Remote site A has a 1-Gbps fiber connection to the hub location and calls to and from remote site A use G.711 codec.
✑ Remote site B has a 1-T1 connection to the hub location and calls to and from remote site B use G.729 codec.
Based on the provided guidance, a Cisco voice engineer must design media resource management for the customer. What is the method that needs to be followed?

A. configure the hardware transcoder on the site B router
B. configure the hardware transcoder on the site A router
C. configure the hardware transcoder on the hub location router
D. configure the software transcoder on Cisco UCM to support voice calls to and from both remote sites

Selected Answer: C

Question #: 30
Topic #: 1
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

Selected Answer: BE

Question #: 31
Topic #: 1
When setting a new primary DNS server in the Cisco UCM CLI, what is required for the change to take effect?

A. restart of CallManager service
B. restart of DirSync service
C. restart of the network service
D. restart of TFTP service

Selected Answer: A

Question #: 32
Topic #: 1
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

Selected Answer: D

Question #: 33
Topic #: 1
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

Selected Answer: B

Question #: 34
Topic #: 1
Which service must be enabled when LDAP on Cisco UCM is used?

A. Cisco Bulk Provisioning Service
B. Cisco AXL Web Service
C. Cisco CallManager SNMP Service
D. Cisco DirSync

Selected Answer: D

Question #: 35
Topic #: 1
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

Selected Answer: C

Question #: 36
Topic #: 1
Which datastore and protocol is used for saving back-up files within the Disaster Recovery System of Cisco UCM?

A. local disk on the Cisco UCM server
B. remote disk on the SFTP server
C. remote disk on a CIFS share
D. remote disk on an NFS share

Selected Answer: B

Question #: 37
Topic #: 1
Refer to the exhibit. An administrator is attempting to register a SIP phone to a Cisco UCM but the registration is failing. The IP address of the SIP Phone is
10.117.34.222 and the IP address of the Cisco UCM is 10.0.101.10. Pings from the SIP phone to the Cisco UCM are successful. What is the cause of this issue and how should it be resolved?

A. An NTP mismatch is preventing the connection of the TCP session between the SIP phone and the Cisco UCM. The SIP phone and Cisco UCM must be set with identical NTP sources.
B. The certificates on the SIP phone are not trusted by the Cisco UCM. The SIP phone must generate new certificates.
C. DNS lookup for the Cisco UCM FQDN is failing. The SIP phone must be reconfigured with the proper DNS server.
D. A network device is blocking TCP port 5060 from the SIP phone to the Cisco UCM. This device must be reconfigured to allow traffic from the IP phone.

Selected Answer: D

Question #: 38
Topic #: 1
Refer to the exhibit. A Cisco UCM user with directory number 4401 dials 5507, and the call is routed to a Cisco Unified Border Element. Which IP address will the call be sent to?

A. 10.0.0.2
B. 10.0.0.3
C. 10.0.0.4
D. 10.0.0.1

Selected Answer: C

Question #: 39
Topic #: 1
Configuration of DNS is required to achieve a fully functional Cisco UCM system. Cisco UCM uses DNS to resolve fully qualified domain names to IP addresses for which destinations?

A. MRA
B. trunk
C. AAR
D. H.323

Selected Answer: B

Question #: 40
Topic #: 1
Refer to the exhibit. Calls to Cisco Unity Connection are failing across Cisco Unified Border Element when callers try to select a menu prompt. Why is this happening and how is it fixed?

A. Cisco Unified Border Element is sending the incorrect media IP address. The IP address of the loopback interface must be advertised in the SDP.
B. Cisco Unity Connection is configured on G.729 only. Cisco Unity Connection must be reconfigured to support iLBC.
C. Cisco Unified Border Element is not sending any support for DTMF. DTMF configuration must be added to the appropriate dial peer.
D. The Cisco Unity Connection Call Handler is configured for a ג€Release to Switchג€ transfer type. Transfers must be disabled for the Cisco Unity Connection Call Handler.

Selected Answer: A

Question #: 41
Topic #: 1
An administrator is configuring LDAP for Cisco UCM with Active Directory integration. A customer has requested to use `ipphone` instead of `telephoneNumber’ as the phone number attribute. Where does the administrator specify this attribute mapping in Cisco UCM?

A. LDAP Custom Filter
B. LDAP Authentication
C. LDAP Directory user fields
D. LDAP Directory custom user fields

Selected Answer: C

Question #: 42
Topic #: 1
In the Cisco Expressway solution, which two features does Mobile and Remote Access provide? (Choose two.)

A. VPN-based enterprise access for a subnet of Cisco Unified IP Phone models
B. secure reverse proxy firewall traversal connectivity
C. the ability of Cisco IP Phones to access the enterprise through VPN connection
D. the ability to register third-party SIP or H.323 devices on Cisco UCM without requiring VPN
E. the ability for remote users and their devices to access and consume enterprise collaboration applications and services

Selected Answer: B

Question #: 43
Topic #: 1
What makes Cisco Unified Border Element a better choice than a conventional Session Border Controller?

A. DTMF interworking
B. SIP security
C. Voice policy
D. Address hiding

Selected Answer: C

Question #: 44
Topic #: 1
Which two features of Cisco Prime Collaboration Assurance require advanced licensing? (Choose two.)

A. customizable events
B. email notifications
C. multicluster support
D. real time alarm browser
E. call quality monitoring

Selected Answer: CE

Question #: 45
Topic #: 1
Which entity does Cisco UCM use DNS to resolve fully qualified domain names to an IP address?

A. application server name
B. SIP trunk
C. Cisco UCM Name
D. primary TFTP server for option 150

Selected Answer: B

Question #: 46
Topic #: 1
What are two functions of Cisco Expressway in the Collaboration Edge? (Choose two.)

A. Expressway-C provides encryption for Mobile and Remote Access but not for business-to-business communications.
B. Expressway-E provides a VPN entry point for Cisco IP phones with a Cisco AnyConnect client using authentication based on certificates.
C. Expressway-E provides a perimeter network that separates the enterprise network from the Internet.
D. The Expressway-C and Expressway-E pair can interconnect H.323-to-SIP calls for voice.
E. The Expressway-C and Expressway-E pair can enable connectivity from the corporate network to the PSTN via a T1/E1 trunk.

Selected Answer: CD

Question #: 47
Topic #: 1
Refer to the exhibit. An administrator must fix the SRV records to ensure that server1.sample.com is always contacted first from the three servers. Which solution should the engineer apply to resolve this issue?

A. Priority = 5, Weight = 70
B. Priority = 10, Weight = 5
C. Priority = 100, Weight = 90
D. Priority = 10, Weight = 10

Selected Answer: A

Question #: 48
Topic #: 1
What are two differences between media flow-around and media flow-through on Cisco Unified Border Element? (Choose two.)

A. When using media flow-through, the call signaling and media are passed through the Cisco Unified Border Element.
B. When using media flow-through, call signaling goes through the Cisco Unified Border Element, but media does not.
C. When using media flow-around, both call signaling and media do not go through the Cisco Unified Border Element.
D. When using media flow-around, the call signaling goes through the Cisco Unified Border Element, but media is not passed through it.
E. When using media flow-through, the call signaling goes through the Cisco Unified Border Element, but media is not passed through it.

Selected Answer: AD

Question #: 49
Topic #: 1
An employee of company ABC just quit. The IT administrator deleted the employee’s user ID from the active directory at 10 a.m. on March 4
. The nightly sync
th
occurs at 10 p.m. daily. The IT administrator wants to troubleshoot and find a way to delete the user ID as soon as possible. How is this issue resolved?

A. Wait until 3:15 a.m. on March 6 for garbage collection to remove the user from Cisco UCM. th
B. Wait until 10 p.m. on March 5 when the user is automatically removed from Cisco UCM. th
C. Wait until 10 p.m. on March 4 when the user is automatically removed from Cisco UCM. th
D. Wait until 3:15 a.m. on March 5 for garbage collection to remove the user from Cisco UCM. th

Selected Answer: A

Question #: 50
Topic #: 1
Refer to the exhibit. An administrator accesses the terminal of a Cisco UCM and starts a packet capture. Which two commands must the administrator use on
Cisco UCM to generate DNS traffic? (Choose two.)

A. show version active
B. utils diagnose module validate_network
C. utils diagnose test
D. utils ntp status
E. show cdp neighbor

Selected Answer: AB

Question #: 51
Topic #: 1
A collaboration engineer adds a voice gateway to Cisco UCM. The engineer creates a new gateway device in Cisco UCM, selects VG320 as the device type, and selects MGCP as the protocol. What must be done next to add the gateway to the Cisco UCM database?

A. Select a device pool for the new gateway.
B. Add the FQDN or hostname of the device.
C. Configure the module in slot 0 of the new gateway.
D. Select the DTMF relay type for the gateway.

Selected Answer: B

Question #: 52
Topic #: 1
A collaboration engineer configures Global Dial Plan Replication for multiple Cisco UCM clusters. The local cluster acts as the hub cluster, and the remaining clusters act as spoke clusters. Which service must the engineer configure on the local cluster?

A. Location Conveyance on intercluster SIP trunks
B. Intercluster Lookup Service
C. Intra-Cluster Communication Signaling
D. Mobility Cross Cluster

Selected Answer: B

Question #: 53
Topic #: 1
Refer to the exhibit.

There is a call flow between Phone A and Phone B. Phone B (holder) places Phone A (holdee) on hold. Which MRGL and Audio Source are played to Phone A?

A. MRGL A and Audio Source 4
B. MRGL B and Audio Source 2
C. MRGL B and Audio Source 4
D. MRGL A and Audio Source 2

Selected Answer: D

Question #: 54
Topic #: 1
A SIP phone has been configured in the system with MAC address 0030.96D2.D5CB. The phone retrieves the configuration file from the Cisco UCM. Which naming format is the file that is downloaded?

A. SEP0030407101980.cnf
B. SIP0030407101980.cnf
C. SIP003096D2D5CB.cnf.xml
D. SEP003096D2D5CB.cnf.xml

Selected Answer: D

Question #: 55
Topic #: 1
Refer to the exhibit.

A call from +1 613 555 1234 that is sent out through the Nice Gateways should result in a calling party of 001 613 555 1234 with the numbering type
`international`. Which configuration accomplishes this goal?

A. \+1.! none pre-dot 001 international
B. \+.001! pre-dot 1 international
C. 613XXXXXXX none +011 international
D. \+.! pre-dot 00 international

Selected Answer: D

Question #: 56
Topic #: 1
An administrator troubleshoots call flows and suspects that there are issues with the dial plan. Which tool enables a quick analysis of the dial plan and provides call flows of dialed digits?

A. Dial Plan Analyzer
B. Dialed Number Analyzer
C. Cisco Dial Plan Analyzer
D. Digit Analysis Analyzer

Selected Answer: B

Question #: 57
Topic #: 1
What are two characteristics of jitter in voice and video over IP communications? (Choose two.)

A. The packets arrive at uniform time intervals.
B. The packets arrive at varying time intervals.
C. The packets never arrive due to tail drop.
D. The packets arrive out of sequence.
E. The packets arrive with frame errors.

Selected Answer: BD

Question #: 58
Topic #: 1
DRAG DROP –
Drag and drop the SNMPv3 message types from the left onto the corresponding definitions on the right.
Select and Place:

Suggestion Answer:

Question #: 59
Topic #: 1
Refer to the exhibit.

A collaboration engineer configures Cisco UCM to act as a DHCP server. What must be done next to configure the DHCP server?

A. Restart the TFTP service under Cisco Unified Serviceability.
B. Add a DHCP subnet to the DHCP server under Cisco UCM Administration.
C. Add the new DHCP server to the primary DNS server.
D. Restart the Cisco DHCP Monitor Service under Cisco Unified Serviceability.

Selected Answer: B

Question #: 60
Topic #: 1
What are two features of Cisco Expressway that the customer gets if Expressway-׀¡ and Expressway-E are deployed? (Choose two.)

A. session-based access to comprehensive collaboration for remote workers, without the need for a separate VPN client
B. highly secure firewall-traversal technology to extend organizational reach
C. complete endpoint registration and monitoring capabilities for devices that are local and remote
D. additional visibility of the edge traffic in an organization
E. utilization and adoption metrics of all remotely connected devices

Selected Answer: AB