Free 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) Exam Questions and Answers
Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) is exam 300-080, part of Cisco certifications. In Cisco's current scheme the first digit gives the level: 100 is entry, 200 associate, 300 the CCNP concentration exams, 350 the CCNP core exams that also qualify you for CCIE, 500 specialist and 700 the unproctored sales exams. Older codes such as 400-, 640- and 642- predate the February 2020 restructure, when every CCNA track was collapsed into one exam and CCNP moved to a core-plus-concentration model.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: September 11, 2026
- Exam code
- 300-080
- Provider
- Cisco
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Official page
- Official Exam website
- Our test mode duration & pass mark
- 130 mins · 70%
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #1
A user reports that they cannot make any calls. Which tool can you use to check the call path?
Please select an optionIncorrectCorrect answer: C
Call Detail Records provide detailed call information, essential for diagnosing call setup issues.
Was this answer correct?Question #2
After a configuration change on a Cisco IP phone, it is unable to register with the Call Manager. What could be the issue?
Please select an optionIncorrectCorrect answer: D
VLAN misconfiguration can prevent the phone from accessing the Call Manager if the required VLAN is not configured properly.
Was this answer correct?Question #3
An administrator discovers that video calls are experiencing latency. What is the best way to assess the QoS?
Please select an optionIncorrectCorrect answer: C
Packet capture can provide real-time data on latency, helping to diagnose issues with video quality.
Was this answer correct?Question #4
A phone is stuck in the "Configuring" state. What should be the first troubleshooting step?
Please select an optionIncorrectCorrect answer: B
Verifying DHCP settings is crucial as they provide the configuration information needed for the phone to register correctly.
Was this answer correct?Question #5
Users report that calls are dropped after 10 minutes. What feature might be misconfigured?
Please select an optionIncorrectCorrect answer: A
SIP Keepalive must be configured correctly to maintain the session and prevent unintended drops after a specific duration.
Was this answer correct?Question #6
A video conferencing session is producing a lot of jitter. What is the most likely cause?
Please select an optionIncorrectCorrect answer: C
Insufficient bandwidth can lead to increased jitter as packets are delayed or dropped during transmission.
Was this answer correct?Question #7
An organization uses different codecs; users experience poor audio quality. Which codec might be causing the issue?
Please select an optionIncorrectCorrect answer: C
G.729 compresses audio more than G.711, leading to potential quality loss, especially in bandwidth-constrained environments.
Was this answer correct?Question #8
A new phone model is not supported by the current version of CUCM. What should the administrator do?
Please select an optionIncorrectCorrect answer: C
Upgrading CUCM to a supported version ensures compatibility with new phone models, allowing them to operate correctly.
Was this answer correct?Question #9
A user cannot hear the other party during a call. Which command can be used to collect data for troubleshooting?
Please select an optionIncorrectCorrect answer: D
The debug voice DSP statistics command provides insights into the processing of voice packets, which is critical for diagnosing audio problems.
Was this answer correct?Question #10
Users complain of echo during calls. What is the likely cause?
Please select an optionIncorrectCorrect answer: A
Inadequate echo cancellation settings can allow echo to persist during calls, leading to user complaints.
Was this answer correct?
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FAQ
Learn More: https://www.cisco.com/site/us/en/learn/training-certifications/certifications/index.html
- Q1: What is the 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) exam?
- A: 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) is a Cisco certification exam. Judging by the questions in our bank, it concentrates on calls, video, phone, checked and cucm.
- Q2: What topics does the 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) exam cover?
- A: Questions in our 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) bank cluster around calls, video, phone, checked, cucm, audio, hear and dropped. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB)?
- A: Work through the 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) exam questions?
- A: They are drawn from officially released past questions and from community members who have sat 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB). Answers are verified and updated weekly.
- Q5: Where do I register for the 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) exam?
- A: Register through Cisco directly at https://www.cisco.com/site/us/en/learn/training-certifications/certifications/index.html. Exampractice is not affiliated with Cisco and does not administer the exam.
- Q6: Is there a free 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) sample?
- A: Yes. Every 300-080: Troubleshooting Cisco IP Telephony and Video (CTCOLLAB) page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Cisco Certification Exams?
- A: Cisco Certification Exams validate your expertise in using and managing Cisco networking and IT solutions. These certifications demonstrate your proficiency in designing, implementing, and troubleshooting Cisco-based networks and systems, covering areas such as routing and switching, security, wireless, data center, and collaboration.
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- A: Cisco Certification enhances your professional credibility, showcasing your skills and knowledge in Cisco technologies. This can lead to better job opportunities, higher salaries, and career advancement in networking and IT industries.
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- A: Benefits include recognition as a certified networking professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest Cisco technologies and best practices.
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- A: Network engineers, system administrators, IT professionals, and anyone involved in designing, implementing, and managing network solutions using Cisco products should consider these certifications to validate their expertise and advance their careers.
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- A: Cisco offers various certification paths, including:
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- A: Preparation can include official Cisco training courses, study guides, practice exams, online tutorials, and hands-on experience with Cisco networking equipment and solutions.
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- A: Cisco Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in networking and IT.
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- A: Some exams may have prerequisites, such as foundational knowledge or prior certifications. Check the specific requirements for each certification path on the Cisco website.
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- A: Cisco Certifications typically require recertification every three years to ensure that certified professionals stay updated with the latest networking technologies and industry practices.