Implementing Cisco Collaboration Core Technologies (350-801 CLCOR)
Last Update Nov 30, 2025
Total Questions : 383
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An engineer with troubleshoots poor voice quality on multiple calls. After looking at packet captures, the engineer notices high levels of jitter. Which two areas does the engineer check to prevent jitter? (Choose two.)
Refer to the exhibit. A collaboration engineer adds a redundant NTP server to an existing Cisco Collaboration solution On the Cisco UCM OS Administration page, the new NTP server shows as "Not Accessible" Which action resolves this issue?
An engineer must configure switch port 5/1 to send CDP packets to configure an attached Cisco IP phone to trust tagged traffic on it’s access port. Which command is required to complete the configuration?
A customer reports that the load balancing solution is not working (or two Cisco Unified Border Element routers. The (cube1.abc.com) router should take 60% of the calls, and the (cube2 abc.com) router should take 40% of the calls. Assuming all DNS A records are present, which two SRV configurations would provide the desired outcome? (Choose two.)
A network engineer at Cisco.com has 30 video endpoints registered to Cisco UCM 12.5.x. Which type of pattern must the engineer create to allow the video endpoints to dial meet.cisco.com?
An administrator must implement toll fraud prevention on Cisco UCM using these parameters:
• Enable Forced Authorization Code 112211.
• Set an authorization level of 3 for the route pattern 8005551212.
• Require no access code to dial 10-digit numbers.
How must the route pattern be implemented?
What happens to voice packets from an 8845 Cisco IP Phone at a properly configured QoS trust boundary?
An engineer must add a new user account and mailbox in Cisco Unity Connection. Drag and drop the configuration steps from the left into the correct order on the right.
Which type of message must an administrator configure in the SIP Trunk Security Profile for a Message Waiting Indicator light to work with a SIP integration between Cisco UCM and Cisco Unity Connection?
An engineer must configure a new route pattern. When a user dials 9-555-555-5555, only the last 10 digits must be sent to the gateway. All transformations must be done at the route pattern level. Which route pattern must the engineer use?
What happens to voice packets from an 8845 Cisco IP Phone at a properly configured QoS trust boundary?
An engineer configures a new phone in Cisco UCM The phone boots and gets IP when it connects to the network, however the phone fails to register With CISCO UCM, The engineer observes that the phone has a status Rejected In CISCO UCM
What must be verified first 'Mien troubleshooting the issue?
A network engineer must convert an inbound number 14085551111 when it reaches Cisco UCM and then converts it to an internal extension 3022, so it can ring to a specific desk. Which action meets this requirement?
Refer to the exhibit. The translation rule is configured on the voice gateway to translate DNIS. What is the outcome if the gateway receives 0255-343-1234 as DNIS?
Refer to the exhibit. The SDP offer/answer has been completed successfully but there is no DTMF when users press keys. What is the cause of the issue?
Which two access layer switches provide support to provide high-quality voice and take advantage of the full voice feature set. To provide high-quality voice and take advantage of the full voice feature set, which two access layer switches provide support? Choose two
Which Cisco Unified communications manager configuration is required for SIP MWI integration?
Refer to the exhibit. Cisco Unified element is attempting to establish a call with Subcribers1, but the call fails. Cisco Unified Border Element then retries the same call with Subcribers2, and the call proceeds normally.
Which action resolves the issue?
Which information is needed to restore the backup of a Cisco UCM publisher successfully?
Which two protocols can be configured for the Cisco Unity Connection and Cisco UCM integration? (Choose two.)
An engineer configures a Cisco Unified Border Element and must ensure that the codecs negotiated meet the ITSP requirements. The ITSP supports G.7llulaw and G.729 for audio and H.264 for video. The preferred voice codec is G.711. Which configuration meets this requirement?
A.
B.
C.
D.
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?
Which traversal client must be deployed in an enterprise network when Mobile and Remote Access is configured?
During the Cisco IP Phone registration process the TFTP download fails. What are two reasons for this issue? (Choose two)
Which call routing pattern is used for phone numbers that are in the E.164 format?
Refer to the exhibit.
https://i.postimg.cc/C57TkczG/image.png
A call is falling to establish between two SIP Devices The called device answers with these SOP Which SOP parameter causes issue?
A customer is deploying a SIP IOS gateway for a customer who requires that in-band DTMF relay is first priority and out-of-band DTMF relay is second priority. Which 10$ entry sets the required priority?
An engineer must configure a SIP integration between cisco UCM and cisco Unity Connection. These components are configured already:
Drag and drop the components from the left into the order they must be configured on the right.
The security department will audit an IT department to ensure that the proper guidelines are being followed. The reports of the call detail records show unauthorized access to PSTN. Which two actions should an administrator check to prevent the unauthorized use of the telephony system? (Choose two.)
An engineer must configure a DHCP server to save automatic bindings on a remote host that has an IP address of 172.16.1.1. The IP address range of 172.16.1.100 to 172.16.1.108 must be blocked from the DHCP server. Which set of commands must the engineer run?
Which two parameters influence the total number of supported conference participants on a Cisco IOS XE router that has DSP modules? (Choose two.)
A network engineer at Cisco.com has 30 video endpoints registered to Cisco UCM 12.5.x. Which type of pattern must the engineer create to allow the video endpoints to dial meet.cisco.com?
Which action must an administrator take to provide a method that plays prerecorded messages when setting up a voicemail server in a Cisco collaboration on-premises system?
According to the QoS Baseline Model, drag and drop the applications from the left onto the Per-Hop Behavior values on the right.
Which call flow matches traffic from a Mobile and Remote Access registered endpoint to central call control?
Which Cisco lM and Presence service handles failover and state changes in the cluster?
Refer to the exhibit.
https://i.postimg.cc/C57TkczG/image.png
A call is falling to establish between two SIP Devices The called device answers with these SOP Which SOP parameter causes issue?
Refer to the exhibit. A collaboration engineer is configuring the Cisco UCM IM and Presence Service. Which two steps complete the configuration of the SIP trunk security profile? (Choose two.)
An administrator configures Cisco UCM to use UDP for SIP signaling and finds that an endpoint cannot make calls. Which action resolves this issue?
Which two steps are required for bulk configuration transactions on the Cisco UCM database utilizing BAT? (Choose two.)
A customer enters no IP domain lookup on the Cisco IOS XE gateway to suppress the interpreting of invalid commands as hostnames Which two commands are needed to restore DNS SRV or A record resolutions? (Choose two.)
When a remote office location is set up with limited bandwidth resources, which codec would allow the most voice calls with the limited bandwidth?
What should be used to detect common issues on a Cisco IOS XE-based Local Gateway and generate an email?
Which actions required for a firewall configuration on a Mobile and Remote Access
through Cisco Expressway deployment?
An engineer is troubleshooting a Primary Rate Interface that fails to come up on a H.323 production voice gateway. Layer 1 and Layer 2 configurations were validated successfully Which Cisco IOS command must be run to debug the issue with the least impact on network performance?
A network administrator deleted a user from the LDAP directory of a company. The end user shows as Inactive LDAP Synchronized User in Cisco UCM. Which step is next to remove this user from Cisco UCM?
What are two functions of Cisco Expressway in the Collaboration Edge? (Choose two.)
Which field is configured to change the caller ID information on a SIP route pattern?
When designing the capacity for a Cisco UCM 12.x cluster, an engineer must decide which VMware template will be used for each node. What is the lowest number of users supported in a template and the highest number of users in a template?
What happens to voice packets from a Cisco 8845 IP phone in the QoS trust boundary?
Refer to the exhibit. Which route pattern can the Cisco UCM administrator apply to the configuration to allow calls to "1306.1316.1326,13*6.13#6” only?
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.)
Which two features will access layer switches provide support providing high-quality voice and taking advantage of the full voice feature set? (Choose two.)
What is a characteristic of video traffic that governs QoS requirements for video?
An engineer encounters third-party devices that do not support Cisco Discovery Protocol. What must be configured on the network to allow device discovery?
An engineer encounters third-party devices that do not support Cisco Discovery Protocol. What must be configured on the network to allow device discovery?
Which issue can occur if QoS is not deployed on a Cisco Collaboration architecture across the WAN?
Which data security feature is included with the Pro Pack for Cisco Webex Control Hub?
Which command must be defined before an administrator changes the linecode value on an ISDN T1 PRI in slot 0/2 on an IOS-XE gateway?
What is the purpose of Mobile and Remote Access with Cisco Jabber in the cisco UCM?
What are two differences between media flow-around and media flow-through on cisco unified Border element? (Choose two.)
An engineer must configure a new Cisco UCM translation pattern to convert 915555555555 into 1665 Which translation pattern must be used?
The chief technology officer at a company must onboard devices to the cloud A workspace is created in Cisco Webex Control Hub for every device. What must be generated to complete the on boarding process?
Refer to the exhibit. Which two codec permutations should be transcoded by this dspfarm? (Choose two.)
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 customer wants a video conference with five Cisco Telepresence 1X5000 Series systems. Which media resource is necessary in the design to fully utilize the immersive functions?
Location-based call admission control is used in Cisco UCM to control the amount of bandwidth allowed between predefined locations. What must be considered when calculating the number of calls that can be made?
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?
To provide high-quality voice and take advantage of the full voice feature set, which two access layer switches provide support?
An administrator must make a pattern to route calls to two different destinations john doe@company com and jane doe@company com Which type of patterns are needed in the Cisco UCM. and what must the pattern look like?
Refer to the exhibit. An engineer must implement toll fraud prevention on a Cisco UCM cluster. Only the SIP protocol must be allowed for connections passing through Cisco Unified Border Element. What must be configured?
Which set of four functions are performed by Cisco Unified Border Element?
Refer to the exhibit. An engineer is troubleshooting why PSTN phones are not receiving the caller's name when called from a remote Cisco UCM site. An ISDN PRI connection is being used to reach the PSTN What must the administrator select to resolve the issue?
An administrator works with an ISDN PRI that is connected to a third-party PBX. The ISDN link does not come up. and the administrator finds that the third-party PBX uses the OSIG signaling method. Which command enables the Cisco IOS Gateway to use QSIG signaling on the ISDN link?
Refer to the exhibit. Which route pattern can the Cisco UCM administrator apply to the configuration to allow calls to "1306.1316.1326,13*6.13#6” only?
In the cisco expressway solution, which two features does mobile and Remote access provide? (Choose two)
Regarding SIP integrations with Cisco Unified Communications Manager, if the Cisco Unity Connection is configured to listen for incoming IPv4 and IPv6 traffic, how should the addressing mode be set up in the Cisco Unity Connection?
An administrator would like to set several Cisco Jabber configuration parameters to only apply to mobile clients (iOS and Android). How does the administrator accomplish this with Cisco Jabber 12.9 and Cisco UCM 12.5?
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?
An engineer must deploy the Cisco Webex app to a shared Windows Virtual Desktop Infrastructure environment in the C:\Program Files folder. Which command line argument must be run when running the installer?
A collaboration engineer troubleshoots issues with a Cisco IP Phone 7800 Series. The IPv4 address of the phone is reachable via ICMP and HTTP, and the phone is registered to Cisco UCM However the engineer cannot reach the CU of the phone Which two actions in Cisco UCM resolve the issue? (Choose two)
A Cisco UCM administrator sets up new route patterns to support phones in tour different locations, all with local gateways. The administrator wants to use the same route pattern for all four locations. How must the system be configured to achieve this goal?
A company hosts a conference call with no local users. How does the administrator stop the conference from continuing?
An administrator must implement toll fraud prevention on Cisco UCM using these parameters:
• Enable Forced Authorization Code 112211.
• Set an authorization level of 3 for the route pattern 8005551212.
• Require no access code to dial 10-digit numbers.
How must the route pattern be implemented?
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?
Which values must be enabled to set up QoS for video conferencing on a VoIP network?
When multiple potential patterns are present, which two things are considered when Cisco UCM selects a destination pattern? (Choose two.)
A Cisco Unity Connection Administrator must set a voice mailbox so that it is accessed from a secondary device. Which configuration on the voice mailbox makes this change?
An administrator is configuring a new Cisco UCM with PSTN capabilities. Due to
bandwidth constraints, audio compression is used on the codec. DTMF must work as
expected because the customer is calling many call centers where the users must select
options in the call. Where is DTMF out-of-band in a CCM 12.5 with SIP-based gateway
configured?
A company has an excessive number of call transfers to local and long-distance PSTN from Cisco Unity Connection voicemail. Which action in the Cisco Unity Connection restriction table resolves this issue?
An engineer configures a SIP trunk for MWI between a Cisco UCM cluster and Cisco Unity Connection. The Cisco UCM cluster fails to receive the SIP notify messages. Which two SIP trunk settings resolve this issue? (Choose two.)
An engineer must add a new user account and mailbox in Cisco Unity Connection. Drag and drop the configuration steps from the left into the correct order on the right.
Refer to the exhibit.
Which codec should an engineer select for a call made between "Dallas-REG' & "Austin-REG'?
Which value should be changed when each Cisco UCM node does not allow for more than 5000 phones to be registered?
TESTED 30 Nov 2025
