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Cisco Cisco Certified Technician Collaboration ✓ Updated May 2026

Cisco Supporting Cisco Collaboration Devices

Exam Code: 100-890
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About the 100-890 Exam

The Cisco 100-890 exam, officially titled Supporting Cisco Collaboration Devices, is a core component of the Cisco Certified Technician (CCT) Collaboration certification. This exam validates the foundational skills required to troubleshoot, maintain, and support Cisco collaboration endpoints, including IP phones, video devices, and conferencing systems. Candidates must demonstrate proficiency in hardware diagnostics, software configuration, and network connectivity issues specific to collaboration environments. The exam focuses on real-world scenarios that technicians face daily, such as resolving call quality problems, upgrading firmware, and verifying device registration with Cisco Unified Communications Manager (CUCM). By passing the 100-890, you prove your ability to minimize downtime and ensure seamless communication in enterprise settings.

This certification is designed for entry-level IT professionals who want to specialize in voice and video support. The 100-890 exam covers critical topics like identifying device hardware components, using Cisco CLI commands for diagnostics, and understanding PoE (Power over Ethernet) requirements. It also includes troubleshooting common issues with Cisco IP phones, such as audio problems, network connectivity, and configuration errors. The exam emphasizes practical, hands-on skills rather than theoretical knowledge, making it ideal for field technicians and support engineers. With the growing reliance on unified communications, certified professionals are in high demand to maintain the backbone of modern business operations.

Why does the Cisco 100-890 matter in the industry? As organizations adopt hybrid work models, the need for reliable collaboration tools has skyrocketed. Cisco collaboration devices are ubiquitous in corporate environments, and technicians who can quickly diagnose and fix issues save companies significant revenue loss from downtime. This certification validates your ability to handle everything from simple phone replacements to complex network troubleshooting. It also serves as a stepping stone for advanced Cisco certifications like CCNA Collaboration or CCNP Collaboration. By earning the 100-890, you demonstrate a commitment to quality support and gain a competitive edge in the IT job market.

In summary, the 100-890 exam is your gateway to a career in Cisco collaboration support. It tests your ability to work with real hardware and software, ensuring you can keep communication systems running smoothly. Whether you are a help desk technician or a field engineer, this certification equips you with the skills to succeed. The exam's focus on practical troubleshooting makes it highly relevant for today's IT landscape, where uptime and user satisfaction are paramount. Prepare thoroughly, and you will be ready to tackle the challenges of supporting Cisco collaboration devices in any environment.

Who Should Take the 100-890 Exam?

The Cisco 100-890 exam is ideal for entry-level IT support technicians, help desk engineers, and field service technicians who are responsible for installing, maintaining, and troubleshooting Cisco collaboration devices. Candidates should have basic networking knowledge, including familiarity with IP addressing and Ethernet, and at least 6-12 months of hands-on experience with Cisco IP phones or video endpoints. No formal prerequisites are required, but a solid understanding of Cisco collaboration fundamentals is recommended.

Topics Covered in 100-890

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Cisco IP Phone Hardware and Components
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Cisco Collaboration Endpoint Connectivity
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Power over Ethernet (PoE) Troubleshooting
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Cisco Unified Communications Manager Integration
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Device Firmware and Software Upgrades
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Audio and Video Quality Diagnostics
⚖️
Cisco CLI Commands for Device Support
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Common Collaboration Device Error Codes

Preparation Tips for 100-890

Practice with real Cisco IP phones and video devices to understand hardware components and LED indicators.
Master Cisco IOS CLI commands for diagnostics, such as 'show tech-support' and 'debug' commands for voice issues.
Study PoE standards (802.3af/at) and how to verify power delivery to collaboration endpoints.
Review common error messages from Cisco Unified Communications Manager and their resolutions.
Use Cisco's official documentation and white papers for device-specific troubleshooting guides.
Take practice exams to identify weak areas in topics like firmware upgrades and network connectivity.

Frequently Asked Questions — 100-890

What is the passing score for the Cisco 100-890 exam?

The passing score for the Cisco 100-890 exam is typically around 70-80%, though Cisco does not publish a fixed number. Scores are scaled based on the difficulty of the questions. You can check your score report immediately after the exam for detailed feedback.

How many questions are on the 100-890 exam, and what is the time limit?

The Cisco 100-890 exam consists of approximately 45-55 questions, with a time limit of 60 minutes. The format includes multiple-choice, drag-and-drop, and simulation-based questions that test practical troubleshooting skills.

Can I retake the 100-890 exam if I fail?

Yes, you can retake the Cisco 100-890 exam after a 5-day waiting period from your first attempt. Subsequent attempts require a 14-day waiting period. There is no limit on the number of retakes, but each attempt requires a new exam fee.

How many questions are in the ExamsTree 100-890 study guide?
The ExamsTree 100-890 PDF study guide contains 60+ practice questions with detailed answer explanations, all mapped to the official Cisco exam objectives.

Why Choose ExamsTree?

ExamsTree 100-890 Study Guide is developed by experienced certification professionals with deep knowledge of Cisco technologies. Our team thoroughly researches each exam domain to provide comprehensive, accurate coverage.

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Exam Details
Vendor Cisco
Questions 60+
Format PDF
Updated 5/24/2026
Cert Cisco Certified Technician Collaboration
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