Implementing Cisco Collaboration Core Technologies (350-801 CLCOR) v2.0
Last Update Oct 13, 2026
Total Questions : 489
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Which location must be assigned to the SIP trunk to replicate enhanced location information via a SIP trunk?
An administrator configures the voicemail feature in a Cisco collaboration deployment. The user mailboxes must be configured when the Cisco Unity Connection server is configured. Which action accomplishes this task?
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 Webex Calling construct is used to organize calling features within a physical site?
Which DSCP PHB classification must be used to configure QoS for voice on a high-speed network?
An engineer is configuring Cloud Meetings The engineer wants to require users to have a virtual background for external meetings The engineer already navigated to Control Hub > Organization Settings > Virtual Backgrounds and enabled the " Allow virtual backgrounds " slider Which action completes the configuration?
What is a capability of the call forwarding feature in a Cisco Webex dial plan?
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?
An engineer must configure a SIP route pattern using domain routing with destination +13135551212. The domain ciscocm1.jupiter.com resolves to 192.168.1.3. How must the IPV4 Pattern be configured?
A solutions architect is designing a Cisco UCM solution for a large enterprise consisting of hub and spoke clusters as well as global dial plan catalog. Which Cisco UCM service must be activated?
Refer to the exhibit An engineer is troubleshooting issues with hairpin calls on a Cisco Unified Border Element gateway Which command remediates the issue with the least impact?
A translation rule is configured as rule 1 1100//200/. When a user dials 100, the number is translated to 200. However, when a user dials 1005, it is translated to
2005. The administrator only wants to translate exactly 100. How must the rule be modified to achieve this?
An administrator is configuring LDAP tor 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?
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 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?
An engineer configures local roule group names to simplify a dial plan. Where does the engineer set the route groups according to the local route group names that are configured?
What are two differences between media flow-around and media flow-through on cisco unified Border element? (Choose two.)
Refer to the exhibit. A Cisco UCM administrator has just completed an upgrade from version 14SIJ4 to 15SU3. During post-upgrade checks, the administrator
discovered that SSO is failing for the subscriber. The administrator collected Cisco UCMs " Cisco SSO " logs, opened the latest " ssosp " log and found the error
shown. Why did the subscribers SSO authentication attempt fail?
A company wants to provide remote user with access to its premises Cisco collaboration features. Which components are required to enable cisco mobile and remote access for the users?
Refer to the exhibit. A user takes a phone from San Francisco to New York for a short reassignment. The phone was set up to use the San Francisco device pool, and device mobility is enabled on the Cisco UCM. The user makes a call that matches a route pattern in a route list that contains the Standard Local Route Group. To where does the call retreat?
Refer to the exhibit An engineer is troubleshooting a Cisco Unified Border Element gateway where outbound calls are being rejected by the service provider. Which SIP profile resolves the issue?
What must be modified or the administration page In Cisco UCM when designing layered security?
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?
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?
An engineer is deploying the Webex app on a Microsoft Windows computer that has multiple user accounts. Which CLI argument allows the engineer to Install the application as a " per machine " Installation?
An engineer is configuring Cisco Jabber for Windows and must implement desk phone control mode for some of the users. Which access control group must be configured for those users to enable this functionality?
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.
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.)
Which two features will access layer switches provide support providing high-quality voice and taking advantage of the full voice feature set? (Choose two.)
Where is Directory Connector hosted in a Cisco Webex Hybrid Services deployment?
What is the maximum one-way latency and jitter for voice before quality issues arise?
In Cisco UCM, an engineer at a company must configure a calling-party transformation that has these requirements
• A caller with an external phone number mask of 5555 must be matched
• After the mask is matched, the first seven digits of the company ' s caller ID 123555 must be added
• The final number to be sent must be the caller ID and the external phone number mask (123-555-5555). Drag and drop the values from the left onto the corresponding settings on the right.
The IP phones al a customer site do not pick an IP address from the DHCP An engineer must temporarily disable LLDP on all ports of the switch to leave only CDP. Which two commands accomplish this task? (Choose two.)
Which value should be changed when each Cisco UCM node does not allow for more than 5000 phones to be registered?
When multiple potential patterns are present, which two things are considered when Cisco UCM selects a destination pattern? (Choose two.)
How many minutes does it take for automatic fallback to occur in a Presence Redundancy Group if the primary node lost a critical service?
Which two DNS records must be created to configure Service Discovery for on-premises Jabber? (Choose two.)
In a Cisco UCM version 15 environment, a user reports that calls to external numbers with a specific prefix fail intermittently during peak hours. Which aspect should the administrator check to identify if the dial plan is misconfigured using the Real-Time Monitoring Tool?
A Cisco Unity Connection administrator configures LDAP integration and performs a full LDAP sync. The administrator must add all users with mailboxes from the LDAP directory to Unity Connection. What must the administrator do in Cisco Unity Connection Administration?
An administrator executes the debug isdn q931 command while debugging a failed call. After a test call is placed, the logs return a disconnect cause code of 1. What is the cause of this problem?
Which DHCP option must be set up tor new phones to obtain the TFTP server IP address?
Users want their mobile phones to be able to access their cisco unity connection mailboxes with only having to enter their voicemail pin at the login prompt calling pilot number where should an engineer configure this feature?
Which dial plan design provides the most benefit to systems with many sites or overlapping site extension ranges?
A company has a Cisco collaboration infrastructure that includes Cisco UCM and a Cisco Unified Border Element. The company CTO asks an engineer to improve security and implement toll fraud prevention. The engineer configures partitions and a calling search space to provide segmentation and access control Which two additional configurations are needed to block all OffNet to OffNet transfers? (Choose two.)
When configure Cisco UCM,which configuration enables phones to automatically reregister to a Cisco UCM publisher ' when the connection to the subscriber is lost?
A user dials 9011841234567 to reach Vietnam. Which steps send the call to the PSTN provider as 011841234567?
A)
B)
C)
D)
An administrator is developing an 8-class QoS baseline model. The CS3 standards-based marking recommendation is used for which type of class?
According to the QoS Baseline Model, drag and drop the applications from the left onto the Per-Hop Behavior values on the right.
Which device is a Cisco IP Phone 8800 series phone registered in, if it was registered using Mobile and Remote Access?
Which call flow matches traffic from a Mobile and Remote Access registered endpoint to central call control?
An engineer troubleshoots outbound can failure on an ISDN-PRI circuit. The engineer ts suspecting the ' Incomplete Destination " . Which debugs or commands are run in the voice gateway to troubleshoot the issue?
A collaboration engineer must optimize the dial plan within Cisco UCM. There are multiple remote sites. And each site has its own route patterns and local gateways. What should the engineer do on the cisco UCM to optimize the dial plan?
Which version is used to provide encryption for SNMP management traffic in collaboration deployments?
Refer to the exhibit. This INVITE is sent to an endpoint that only supports G.729. What must be done for this call to succeed?
Which behavior occurs when Cisco UCM has a CallManager group that consists of two subscribers?
Which mark is used when the Attendant Console Client application and the Cisco TSP send their traffic?
Which Webex Suite service facilitates a user that wants to make and receive business calls directly from the Webex application integrating with their organization ' s phone system?
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 connection, and ITSP supports only G.711 calls
*Remote site A has a 1-Gbps fiber connection to the hub connection and calls to and from remote side 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 Cisco UCM dial plan includes 9 911 and 9 011 ' patterns The administrator wants to eliminate post-dial delay for 9911 calls After Urgent Priority Is enabled for the 9 911 route pattern how does Cisco UCM prioritize this pattern against the longer 9 011 ' pattern when 9911 is dialed?
Refer to the exhibit An engineer is troubleshooting issues with outbound calls after adding a new route pattern on Cisco UCM Which tool will the engineer use to troubleshoot the issue?
Refer to the exhibit. An engineer is troubleshooting this video conference issue:
*A video call between a Cisco 9971 in Region1 and another Cisco 9971 in Region1 works.
*As soon as the Cisco 9971 in Region1 conferences in a Cisco 8945 in Region2. the Regio1l endpoint cannot see the Region2 endpoint video.
What is the cause of this issue?
A Company s employees have been complaining that they have been unable to select options on the internal IVR of the help desk. IT support has been given Cisco UCM traces and below is the snippet of the SDP of the INVITE packet.
How is this issue resolved?
Which settings are needed to configure the SIP route pattern in Cisco Unified Communications Manager?
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 Webe x Calling administrator is setting up calling for their branch office location and will be using LGW trunk for their on-premises PSTN service Why is it required to have a main number assigned to a location with trunks or extension-only entities?
Which two models are represented in the Cisco UCM Cluster database? (Choose two.)
Refer to the exhibit A collaboration engineer Inspects a packet flew between an IP phone and Cisco UCM by using Wireshark The IP phone that uses IP address 10.192 33.20 cannot register to Cisco UCM that has IP address 10 192 33 60 What is the cause of the issue?
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 action must be taken before upgrading a Cisco IJCM cluster to 15.0.1 with FIPS enabled?
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?
Drag and drop the checks that the Call Manager preUpgradeCheck COP file performs onto the Night Not all optons are used
An engineer is implementing LDAP synchronization on a Cisco UCM cluster to synchronize users from the OU=Engineering.DC=company.DC=com user search base and needs the LDAP Attribute for User ID to match with the telephoneNumber of each user Which action accomplishes this goal " ?
An engineer must configure codec on a Cisco Unified Border Element to prefer the G.711 ulaw and use G.711 codec as the
next The engineer logs In to the CUBE, enters the dial.peer configuration level, and runs the voice-class codec 100 command. Which set of commands completes the configuration?
An administrator uses the Cisco Unified Real-Time Monitoring Tool to investigate recent calls on a Cisco UCM cluster. The SIP trace for an on-net. direct-media call shows two 180 Ringing and two 11 BYE messages. Why are there multiples of each message type in the trace?
An engineer is going to redesign a network, and while looking at the QoS configuration, the engineer sees that a portion of the network is marked with AF42. Which type of traffic is marked with this tag?
User A Calls user. The call gets connected, but the quality is bed. What are two reasons for this issue? (Choose two)
An administrator troubleshoots a DNS issue with Cisco UCM and observes that the hostname resolution returns the wrong IP address The DNS team Informs the administrator that the A ' AAA record was recently updated on the DNS server Which action must be taken on Cisco UCM to reflect the correct entries?
Which two conditions must a user meet to provision a new device using the self-provisioning feature? (Choose two.)
Which behavior occurs when Cisco UCM has a Call Manager group that consists of two subscribers?
Refer to the exhibit Users report that they receive a fast, busy signal when they can certain older phone models from their Cisco IP Phone 7821 An engineer checks the call traces and discovers the SDP offer and the error message at the same time as the call failure. What is the cause of the issue?
During a conference call, lhe CTO of a company adds an external user to the call. The CTO leaves at the end of the call, but the external user stays on and dials out to a premium rate number. Several weeks later, the CTO receives an unexpectedly high phone bill. The CTO decides to Implement an Ad Hoc conference restriction. Which parameters must be adjusted?
An engineer with ID012345678 must build an international dial plan in Cisco UCM. Which action is taken when building a variable-length route pattern?
An administrator needs to stop the leading 9 from outbound calls on an IOS Voice Gateway and ensure that the system handles 911 emergency calls Which configuration is needed to accomplish this task?
SIP proxies have operations defined in RFC 3261 and supporting extensions. Though no lETF RFC completely defines how SBCs must function. SBCs evolved over the years.
Which two operations demonstrate the high-level differences between SBCs and SIP proxies? (Choose two.)
An engineer must deploy the Webex app to a Windows Virtual Desktop Infrastructure environment by using these settings:
• Thin client plugin: Installed
• Call service-enabled user: Media is optimized
• Calls on Webex app: Media is optimized
Which two command-line arguments are valid when running the installer? (Choose two.)
Given this H.323 gateway configuration and using Cisco best practices, how must the called party transformation pattern be configured to ensure that a proper ISDN type of number is set?
A.
B.
C.
D.
A customer wants to conduct B2B video calls with a partner using on-premises conferencing solution. Which two devices are needed to facilitate this request?
What is the maximum one-way packet loss and jitter for voice before quality issues arise?
A company wants to provide remote users with access to its on-premises Cisco collaboration features. Which components are required to enable Cisco Mobile and Remote Access for the users?
A Cisco UCM administrator wants to enable the Self-Provisioning feature for end users. Which two prerequisites must be met first? (Choose two.)
A collaboration engineer must configure Cisco Unified Border Element to support up to five concurrent outbound calls across an Ethernet Link with a bandwidth of 160 kb to the Internet Telephony service provider. Which set of commands allows the engineer to complete the task without compromising voice quality?
A)
B)
C)
D)
To provide high-quality voice and take advantage of the full voice feature set, which two access layer switches provide support?
Refer to the exhibit.
When a call is received on Cisco Unified Border Element. from which
lP does it allow a connection?
Refer to the Exhibit.
Which command is required to allow this media resource to handle Video Media streams?
An administrator set up Cisco UCM LDAP Directory and already synced the users to Cisco UCM from the Active Directory, but they forgot to set up feature group templates when. doing the import. Which action resolves the issue?
An administrator has been asked to implement toll fraud prevention in Cisco UCM Which tool is used to begin this process?
An engineer troubleshoots a Cisco Jabber login problem on a Windows PC. The login fails with the error message " Cannot find your services automatically. Click advanced settings to set up manually " Which action should the engineer take first?
Which command in the MGCP gateway configuration defines the secondary Cisco UCM server?
Refer to the exhibit. Endpoint A calls endpoint B. What is the only audio codec that is used for the call?
An engineer must add resources to a Cisco Catalyst gateway that is currently used to route calls to and from the PSTN to provide these additional services:
• conferencing
• transcoding
What must be added to the gateway?
Refer to the exhibit.
Endpoint A calls endpoint B. What is the only audio codec that can be used for the call?
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?
What are two Cisco UCM location bandwidths that are deducted when G 729 and G.711 codecs are used? (Choose two.)
Refer to the exhibit. An engineer configures a VoIP dial peer on a Cisco gateway. Which codec is used?
Drag and drop the steps from the left into order on the right to activate self-provisioning services in Cisco UCM.
A Cisco voice gateway is configured to use a sip-kpml DTMF relay in global settings. A new SIP dial peer is configured for a third-party application that only supports an in-band DTMF relay. Which commands must an engineer run on the dial peer?
Refer to the exhibit. How must the +E.164 translation pattern be configured to reach international number 496929810?
Users dial a 9 before a 10-digit phone number to make an off-net call All 11 digits are sent to the Cisco Unified Border Element before going out to the PSTN The PSTN provider accepts only 10 digits. Which configuration is needed on the Cisco Unified Border Element for calls to be successful?
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?
What happens to voice packets from an 8845 Cisco IP Phone at a properly configured QoS trust boundary?
A new department administrator is overseeing only Collaboration services. Which two actions must be taken to properly delegate administrative responsibilities when assigning organization account roles in Cisco Webex Control Hub? (Choose two.)
Cisco UCM delays routing of a call during digit analysis with an overlapping dial plan. How long is the default wait time?
Which information is needed to restore the backup of a Cisco UCM publisher successfully?
Which percentage of the link bandwidth must streaming unicast video be limited to according to Cisco QoS Baseline adoption?
Refer to the exhibit. When a UC Administrator is troubleshooting DTMF negotiated by this SIP INVITE, which two messages are examined next to further troubleshoot the issue? (Choose two.)
Which DiffServe PHB preserves backward compatibility with any IP precedence scheme?
How is bandwidth allocated to traffic flows in a flow-based WFQ solution?
Which two functionalities does Cisco Expressway provide in the Cisco Collaboration architecture? (Choose two.) MGCP gateway registration
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 Cisco UCM location between a client ' s headquarters and branch office is configured for 512 kbps of audio bandwidth and 384 kbps of video bandwidth. What is the maximum number of G.711 calls allowed through this link?
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?
Which two steps should be taken to provision a phone after the Self-Provisioning feature was configured for end users? (Choose two.)
What is the maximum number of servers that are in an IM and Presence presence redundancy group?
Refer to the exhibit. When making a call to a Mobile and Remote Access client, what are the combinations of protocol on each of the different sections A-B-C?
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Guidelines
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This is a lab item in which tasks will be performed on virtual devices.
• Refer to the Tasks tab to view the tasks for this lab item.
• Refer to the Topology tab to access the device console(s) and perform the tasks.
• Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.
• All necessary preconfigurations have been applied.
• Do not change the enable password or hostname for any device.
• Save your configurations to NVRAM before moving to the next item.
• Click Next at the bottom of the screen to submit this lab and move to the next question.
• When Next is clicked, the lab closes and cannot be reopened.
Topology
Tasks
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The operations team started configuring network devices for a new site.
Complete the configurations to achieve these goals:
1. Ensure that port channel Po1 between DISTRO-SW01 and DISTRO-SW02 is operational using the LACP protocol. Configuration changes for this task must be made on DISTRO-SW01.
2. Ensure that traffic on VLAN 10 is carried as untagged traffic between DISTRO-SW01 and DISTRO-SW02.
3. Complete the Rapid-PVST+ configuration on DISTRO-SW2 by ensuring it it the secondary root switch for all VLANs in the range of 1 to 1005.
DISTRO-SW01
DISTRO-SW02
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Refer to the exhibit. Which codec should an engineer select for a call mode between “Dallas- REG” & “Austin-REG”?
Refer to the exhibit. An engineer is configuring Cisco Unity Connection to provide a voice-enabled directory to callers without a mailbox on the system as well as system users The directory handler must be accessed by dialing 2001 Calls to the pilot number 2000 should provide system users with the ability to log in Which action completes the configuration?
TESTED 14 Oct 2026
