Implementing Cisco Collaboration Core Technologies (CLCOR) (350-801) is a professional - core-level Cisco certification exam. The blueprint splits the exam across 7 domains, starting with Infrastructure and Design, Call Control, Endpoint and User Management. On exam day you face around 100 questions in 120 minutes, in formats such as multiple choice, drag and drop, lab simulations. The 20 questions below are free samples written to match that style: answer each one first, then reveal the correct answer and note which topics you miss. The 350-801 is rated hard in difficulty, and most candidates prepare with at least 36 months of hands-on experience. Because every answer is revealed in place, you can work through the whole set without leaving this page. Work through all 20 samples before deciding whether to buy the full 376+ question PDF.
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Question 1
What is the function of the Cisco Unity Connection Call Handler?
A. routes calls to a user based on caller input
B. searches a list of extensions until the call is answered
C. queues calls
D. allows customized scripts for IVR capabilities
Show Answer
Correct Answer:
A. routes calls to a user based on caller input
Question 2
What are the last two bits of a DS field in DiffServe Byte used for?
A. AFxy
B. ECN
C. INC
D. RMI
Show Answer
Correct Answer:
B. ECN
Question 3
An engineer configures local route 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?
A. CSS
B. route pattern
C. device pool
D. route list
Show Answer
Correct Answer:
C. device pool
Question 4
Which QoS marking is used when an administrator configures voice call signaling?
A. EF
B. CS3
C. CS4
D. AF41
Show Answer
Correct Answer:
B. CS3
Question 5
Where is Directory Connector hosted in a Cisco Webex Hybrid Services deployment?
A. on an on-premises Microsoft Active Directory server
B. on a Cisco Expressway-C connector host server
C. on a server in the Webex Data Center
D. on a dedicated on-premises server
Show Answer
Correct Answer:
D. on a dedicated on-premises server
Question 6
An administrator configures Cisco UCM to use UDP for SIP signaling and finds that an endpoint cannot make calls. Which action resolves this issue?
A. Change the common phone profile
B. Change the SIP dial rules
C. Change the SIP profile
D. Change the phone security profile
Show Answer
Correct Answer:
D. Change the phone security profile
Question 7
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?
A. Implement ILS with GDPR so the dial plan can dynamically replicate across clusters
B. Configure a Standard Local Route Group to use a single route pattern for all calls within the cluster
C. Create a centralized dial plan with a Cisco UCM Session Management Edition cluster or a Cisco gatekeeper
D. Leverage Cisco UCM Express as SRST so the phones can have more features at each remote site
Show Answer
Correct Answer:
B. Configure a Standard Local Route Group to use a single route pattern for all calls within the cluster
Question 8
Which value should be changed when each Cisco UCM node does not allow for more than 5000 phones to be registered?
A. Maximum Number of Registered Devices service parameter on each node
B. Maximum Number of Registered and Unregistered Devices service parameter on each node
C. Minimum Number of Phones service parameter on each node
D. Maximum Number of Phones service parameter on the Publisher
Show Answer
Correct Answer:
A. Maximum Number of Registered Devices service parameter on each node
Question 9
What will DiffServ provide?
A. scheduling technique
B. traffic classification
C. queuing mechanism
D. service differentiation
Show Answer
Correct Answer:
B. traffic classification
Question 10
Which information is needed to restore the backup of a Cisco UCM publisher successfully?
A. the application credentials for Cisco UCM
B. the FTP server details
C. the security password for Cisco UCM
D. the TFTP server details
Show Answer
Correct Answer:
C. the security password for Cisco UCM
Question 11
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. debug vtsp session
B. debug ccsip messages
C. debug all
D. debug isdn q931
Show Answer
Correct Answer:
D. debug isdn q931
Question 12
Which approach is taken to implement CAC within Cisco UCM in full-mesh topology?
A. physical location
B. Audio Codec Preference List
C. RSVP-enabled locations
D. device pool
Show Answer
Correct Answer:
C. RSVP-enabled locations
Question 13
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
Show Answer
Correct Answer:
A. Auto-registration is disabled on the Cisco Unified Communications Manager nodes and the phone device does not have a DN configured
Question 14
An engineer is integrating Unity Connection with Cisco UCM. Which two actions must be configured so that recording and playback from the IP phones works at all times, including peak traffic hours? (Choose two.)
A. Increase the number of voice ports
B. The phone system to which the phones are registered in Unity Connection has the Default Trap Switch check box enabled
C. Ensure that you have set up SIP Digest Authentication on the SIP trunk security profile
D. If it's a Unity Connection Cluster, ensure that replication is fine and not in split-brain mode
E. Add dedicated dial-out ports with the allow trap connections setting selected
Show Answer
Correct Answer:
B. The phone system to which the phones are registered in Unity Connection has the Default Trap Switch check box enabled
E. Add dedicated dial-out ports with the allow trap connections setting selected
Question 15
There is a saturated link that has traffic shaping configured. How is incoming traffic processed?
A. Traffic is compressed so that the traffic fits within the bandwidth of the link
B. Excess traffic is queued, and then dropped after the timer expires
C. Excess traffic is queued for later transmission
D. Excess traffic is dropped
Show Answer
Correct Answer:
C. Excess traffic is queued for later transmission
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
Show Answer
Correct Answer:
A. interworking of SIP and H.323
B. endpoint registration
Question 17
Which two describe the main components of the methodology for system sizing adopted by Cisco? (Choose two.)
A. Performance testing measures resource usage (CPU, memory) accurately for each function
B. Cisco TelePresence conductor capacity and sizing can be considered on a region-by-region basis
C. System Busy Hour Call Attempts is calculated by multiplying the number of users by the maximum number of call attempts during the busiest hour of the year
D. Busy hour call attempts, where the busy hour call attempts system is the user busy hour call attempts multiplied by the number of users
E. Interaction between individual products may require the addition of Cisco UCM server nodes
Show Answer
Correct Answer:
A. Performance testing measures resource usage (CPU, memory) accurately for each function
D. Busy hour call attempts, where the busy hour call attempts system is the user busy hour call attempts multiplied by the number of users
Question 18
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
Show Answer
Correct Answer:
A. 15 seconds
Question 19
Which traversal server must be deployed in the Demilitarized Zone when configuring Mobile and Remote Access?
A. Cisco IM and Presence
B. Cisco Expressway-E
C. Cisco Unified Border Element
D. Cisco Expressway-C
Show Answer
Correct Answer:
B. Cisco Expressway-E
Question 20
An engineer configures a new phone in Cisco UCM. The phone boots and gels an IP address 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 when troubleshooting the issue?
A. whether auto-registration is enabled in Cisco UCM
B. whether the phone is in the correct VLAN
C. whether the Initial Trust List and Certificate Trust List files on the phone are correct
D. whether the phone’s MAC address is correct in Cisco UCM
Show Answer
Correct Answer:
C. whether the Initial Trust List and Certificate Trust List files on the phone are correct
350-801 sample questions FAQ
Are these 350-801 sample questions from the real exam?
No. They are original practice questions written to match the format and topic mix of the Implementing Cisco Collaboration Core Technologies (CLCOR) exam, which contains around 100 questions. Treat them as representative practice, not leaked exam content.
How many free 350-801 sample questions do I get?
This page includes 20 questions, each with its correct answer you can reveal in place. The full study PDF expands that to 376+ questions.
Do the sample questions include the correct answers?
Yes. Open the answer panel under each question to see which option is correct. Answer first, then reveal, so the set works as a self-check rather than a reading exercise.
Is 20 sample questions enough to pass the 350-801?
Not on its own. Use the samples to find weak topics, revise them against the official domains, then work through the full 376+ question set under timed conditions before booking the exam.
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