Implementing Cisco Collaboration Core Technologies (CLCOR 350-801) Practice Test

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• Which data source provides call progress and billing details?
• Secure voicemail access involves which combination?
• In translation pattern, what happens when digits match?
• Which mechanism is used to shape traffic by delaying packets to meet a rate before sending them?
• What happens when no matching dial-peer exists?
• Which media resource is primarily used for DTMF interworking?
• Which statement describes the role of digit analysis and partition in CUCM?
• Which failure would prevent phones from registering to CUCM?
• Which service integrates Office 365 calendars with Webex for scheduling?
• Which component ensures media streams are properly terminated when bridging calls between different networks?
• Which of the following logs would you consult to troubleshoot SIP signaling and calls on gateways?
• Which DSCP value is commonly recommended for real-time voice traffic?
• Which protocol is used for database replication in CUCM?
• How do CAC and QoS differ in purpose?
• Which technology is used to secure signaling for Webex MRA?
• Expressway role in Cisco collaboration is to provide what type of services for B2B calling?
• Where are media resources grouped for selection in Cisco Collaboration?
• Why is SIP normalization required?
• What is the primary purpose of a Cisco Collaboration dial plan?
• What does a jitter buffer do in a VoIP stream?
• Which tool is used to view CUCM call signaling details?
• Together with Partition, which component defines calling privileges?
• Which Expressway node is internet-facing?
• Which DNS record is required for SIP service discovery?
• Which tools are used to troubleshoot Unity issues?
• Which codec delivers the highest voice quality?
• In voicemail integration, CUCM forwards calls to which system that records messages?
• If NTP is not reachable, what is a likely impact on the collaboration system?
• Which term describes a pattern used to adjust dialed digits to a common format before routing?
• In a deployment where Cisco cannot decrypt customer data, which approach is used?
• Which component provides secure traversal for remote endpoints?
• Which device performs transcoding when endpoints use different codecs?
• Which component pair handles firewall traversal and media traversal for remote collaboration endpoints accessing cloud services?
• Which high-availability mechanism is specifically designed to protect branch sites from WAN failures?
• Which elements are typically defined within a Cisco Collaboration dial plan to enable correct routing?
• Which statement about dial-peer matching is true?
• What is the purpose of SDP in a SIP session?
• Which option below is NOT typically a responsibility of the Cisco Unified Border Element (CUBE)?
• Webex Calling is best described as which service?
• What describes the relationship between a route list and a route group?
• Which QoS action buffers traffic to conform to a rate before transmission?
• How does route pattern matching determine the route for a dialed number in CUCM?
• What is a CTI route point?
• Which protocol secures signaling between Cisco Unified Communications Manager (CUCM) and endpoints?
• In a route pattern, which symbol denotes a variable length wildcard?
• What traffic class is voice?
• During WAN outages, which feature enables continued local call processing at remote sites?
• Which statement best describes SRTP?
• Which component provides SRST functionality at a remote site?
• What is DTMF RFC 2833 used for?
• How do shaping and policing differ?
• Which statement best describes DSCP values in QoS?
• What does RSVP provide?
• What is CAC used for in voice networks?
• Which protocol is designed to protect the media stream in real-time communications?
• Which statement best describes the primary role of a conferencing bridge in Cisco collaboration?
• Which feature protects CUCM admin access?
• Which element enforces encryption policy on calls?
• What logs help troubleshoot call routing?
• Which codec provides the highest voice quality?
• What is the function of LDAP integration with CUCM?
• What is the primary purpose of the Cisco Unified Border Element (CUBE)?
• What does a Line Group define?
• What is the primary role of the CUCM Publisher?
• What is call admission control in CUCM?
• Which protocol is Cisco's proprietary endpoint control protocol?
• Which two components are required for a highly available CUCM cluster?
• What provides number-based call analysis?
• What is the primary purpose of Webex Control Hub in a cloud-based environment?
• Which Expressway node provides internal edge access to CUCM?
• Which of the following is NOT considered a common source of voice latency?
• Where is calling party transformation most appropriately applied for PSTN calls?
• Which deployment model allows centralized call control with local Survivable Remote Site Telephony?
• Which component handles certificate trust lists?
• Call routing failures are often caused by which scenario?
• Which SIP response code indicates the called party is Busy?
• Which DNS record type is used for service discovery and indicates protocol and port for SIP?
• Office 365 calendars integration service in Webex is provided by which service?
• OAuth is used for what purpose?
• What does MOS stand for in voice quality assessment?
• In Cisco IOS gateways, DSP is required when?
• What is transcoding used for?
• Which statement best describes a gateway's role in VoIP?
• Which two services must be activated on CUCM for phone registration?
• What is a translation pattern?
• When is DSP required?
• What does call forwarding behavior define in CUCM?
• What is the difference between publisher and subscriber in CUCM?
• Which mechanism allows a user to access their own extension settings from any registered IP phone?
• Who should mark DSCP values in a LAN deployment?
• What is codec negotiation?
• What is the advantage of the Opus codec?
• What service allows phones to download firmware and configuration files?
• Which component defines the partitions a device or user can search?
• What is the benefit of using device pools?
• What describes the purpose of partitions and CSS in CUCM?
• Which statement correctly characterizes a route group?
• Edge Audio is primarily used to
• What is the trust boundary in QoS?
• Which deployment option is designed so Cisco cannot decrypt customer data?
• What term describes ringing all hunt list members at once?
• What causes calls to drop after approximately 30 seconds?
• What is Cisco Unity Connection?
• Which protocol secures signaling for MRA?
• Which services are required for CUCM cluster communication?
• What is endpoint self-provisioning?
• Which design factor most impacts call admission control?
• What is the impact of incorrect bandwidth provisioning on voice and video services?
• What is the packet loss threshold for voice when sustained losses become noticeable?
• Which factor determines codec selection for collaboration endpoints?
• Which command shows DSP usage?
• Which Cisco term describes the grouping used by CUCM to allocate media resources during calls?
• Which statement about TLS handshake in SIP is true?
• Which CSS allows a call to reach a specific partition?
• Which service handles instant messaging and presence in Cisco collaboration?
• Which mechanism is used to grant administrative permissions in CUCM?
• Which resource anchors media at CUCM?
• IM&P stands for Cisco Unified IM and Presence and provides what service?
• Difference between LLQ and CBWFQ?
• Which high-availability design protects against WAN failures at branch sites?
• What tools troubleshoot endpoint registration?
• What happens if DNS SRV records are missing for SIP service discovery?
• During codec negotiation, what is the fundamental process?
• What is the role of Network Time Protocol (NTP) in collaboration systems?
• Which component pair is responsible for firewall traversal and secure remote access for endpoints in Cisco collaboration?
• In collaboration deployments, SSO primarily enables what?
• What is the main use of a Translation Pattern?
• What feature enables Jabber/Webex app registration?
• Which option below is the typical approach to maintain local call processing during WAN outages at remote sites?
• Which of the following is a common root cause of one-way audio in VoIP?
• What happens when SIP Early Offer is enabled?
• Hybrid calling enables which of the following?
• Which tool would you use to verify SIP trunk status on CUCM?
• How do you verify active call legs on a gateway?
• Which tools measure QoS performance?
• Which component replaces on-prem TFTP for Webex devices?
• What is conferencing bridge functionality?
• Which protocol secures RTP?
• What QoS trust boundary is preferred in a typical CUCM deployment?
• What causes latency?
• What role do keepalives play in SIP?
• What causes codec mismatch failures?
• What happens during SIP REGISTER?
• Which protocol carries actual voice packets?
• What replaces on-prem TFTP for Webex Devices?
• Which command verifies SIP trunk status on a CUBE device?
• Why is high availability critical in collaboration design?
• What is CUCM call processing logic?
• Which phrase best describes endpoint self-provisioning?
• For proper time synchronization, which protocol must be configured and reachable by all collaboration nodes?
• IOS XE voice service configuration refers to which concept?
• Difference between hardphone and softphone registration?
• Which pattern type is used to normalize dialed numbers before routing?
• What redundancy mechanism does SIP use for call setup?
• Which statement best describes a media resource group within CUCM?
• DSCP EF is most commonly used to mark which type of traffic?
• Webex Calling is best described as which of the following?
• Which feature allows users to log into different phones?
• What is the difference between a SIP trunk and a gateway?
• What happens when QoS is misconfigured?
• Which media resource supports DTMF interworking?
• What are the typical effects of packet loss on VoIP voice quality?
• How does call fallback work?
• Which design enables continued local calling at a remote site during WAN outages?
• What is TLS handshake in SIP?
• What is the function of NTP in a collaboration deployment?
• Which of the following can cause call routing failures?
• Which port is used by SIP over TLS?
• Which two components coordinate to validate MRA credentials in a deployment?
• Which statement describes SDP's role in a session?
• What term describes the method used to buffer and schedule packets for transmission?
• What is the function of a dial-peer?
• What is the purpose of a SIP trunk security profile?
• When is a transcoder required?
• What causes jitter?
• SRST stands for Survivable Remote Site Telephony; what is its purpose?
• What is the purpose of a CUBE in Cisco collaboration deployments?
• Which component is primarily responsible for ensuring only authorized personnel can modify CUCM configuration?
• In CUCM, which element is essential for digit analysis and routing?
• Which component determines where a call can route?
• Which tool is used to troubleshoot Unity issues, including SIP traces?
• Which statement best describes MRA?
• What is a media resource group?
• What is the primary purpose of CAC in limiting calls?
• Which statement best describes LDAP integration with CUCM?
• What is QoS in voice networks?
• Which logging source is commonly used to diagnose signaling problems in CUCM?
• Which Webex feature enables hybrid calling with CUCM?
• Which statement about SIP normalization is true?
• Webex Control Hub is primarily used for what?
• What type of data is commonly captured to troubleshoot endpoint registration issues?
• Which protocol is used to reserve network bandwidth for calls?
• Which entity contains one or more route groups?
• Which CSS is evaluated first for an off-net call?
• Which service primarily handles voicemail in Cisco collaboration deployments?
• Which redundancy model is used in CUCM clusters?
• What is the purpose of Mobile and Remote Access (MRA) in Cisco collaboration?
• DN masks primarily affect which number?
• What is the role of Smart Licensing in CUCM?
• What is digit analysis in CUCM?
• Which protocol negotiates media parameters?
• Which setting allows a user’s calling permissions to vary by location?
• What is a call loop and how do you prevent it?
• Which Cisco component handles firewall traversal for Webex/MRA?
• What is DSCP EF?
• What is the difference between SIP and SCCP?
• What is SRTP?
• What does '!' mean in a route pattern?
• One-way audio is commonly caused by which of the following?
• Which service validates user credentials for MRA?
• To capture verbose information about call setup failures, which log level should be enabled?
• Which traffic class is typically Real-time, such as RTP voice?
• Which DSCP value is recommended for RTP voice?
• What is digit manipulation?
• What does MTP do?
• In a CUCM cluster, which services must be functioning together to support cluster operation?
• What is overlap vs en-bloc dialing?
• Which Cisco product is described as the voicemail and unified messaging platform?
• Which codec uses the least bandwidth?
• Which SIP response code indicates Not Found?
• Which statement best describes digit analysis?
• What is a hunt group?
• What is the recommended redundancy method for gateways?
• What happens during SIP call teardown?
• What is the purpose of call admission control in a Cisco Collaboration deployment?
• Which feature prevents oversubscription of WAN links?
• Hybrid calling refers to integrating on-prem calling with cloud services.
• Which hunt algorithm rings all phones simultaneously?
• Which entity aggregates several Route Groups into a single outbound route?
• What is the effect of LLQ in QoS configurations?
• What DNS record is required for MRA to function with TLS?
• Which protocol is used for media transport?
• For the Expressway-E deployment, which certificate type is necessary to ensure trust from clients?
• What is a translation profile?
• A user dials 912085551234. Which pattern type is best used?
• In a CUCM cluster, which statement about the publisher is true?
• What feature allows different calling permissions based on location?