CISCO 100-890 Exam Questions 2025

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Prepare confidently for the Cisco 100-890 (DevNet Specialist – Core Technologies) certification exam with Cert Empire’s latest study resources. Our material features authentic exam questions verified by certified networking experts, complete with accurate answers and detailed explanations to enhance your understanding. Practice using our online exam simulator and try free sample questions to see why IT professionals trust Cert Empire for successful certification outcomes.

About 100-890 Exam

About the Exam

The Cisco 100-890 exam, officially known as Supporting Cisco Collaboration Devices (CLTECH), is an entry-level certification that focuses on the fundamentals of Cisco collaboration technologies. 

It teaches you the skills needed to support, install, configure, and troubleshoot Cisco voice and video devices such as IP phones and video endpoints. This is an excellent certification for those starting a career in Unified Communications and IT support roles within modern business communication systems.

Exam Snapshot

Feature

Details

Exam Code

Cisco 100-890

Exam Name

Supporting Cisco Collaboration Devices (CLTECH)

Vendor

Cisco

Version / Year

Latest revision currently active

Average Salary

Approximately $60,000–$85,000 per year (depending on role and region)

Cost

About $125 USD (varies by country)

Exam Format

Multiple-choice questions

Duration

90 minutes

Delivery Method

Pearson VUE (Testing center or online proctored)

Languages Available

English

Scoring Method

Scaled score system

Passing Score

Cisco does not disclose officially (estimated around 825/1000)

Prerequisites

No formal prerequisites

Retake Policy

Retake allowed after mandatory waiting period

Target Audience

Entry-level IT professionals, help desk, and collaboration support roles

Certification Validity

3 years

What is the Cisco 100-890 exam, and what will you learn from it?

The Cisco 100-890 CLTECH exam builds your skills in Cisco collaboration technology. You learn how communication devices connect, operate, and communicate with call control systems in a business environment. 

The exam proves that you can support collaboration endpoints and diagnose issues that may occur in both on-premises and cloud environments.

You will learn:

  • Basics of Cisco collaboration architecture
  • Endpoint features and registration processes
  • Troubleshooting tools and solutions
  • Networking support for voice and video devices
  • Cloud Collaboration fundamentals including Webex Calling

This certification enhances your capability to handle real-world collaboration support roles.

Prerequisites before taking the 100-890 exam

There are no required prerequisites. However, having some basic knowledge will help, such as:

  • General networking understanding
  • Experience with IT support or help desk tasks
  • Basic awareness of VoIP technology

Even beginners can start with this exam, especially when using strong study resources.

Main objectives and domains you will study for 100-890

The certification exam focuses on three primary knowledge areas:

  1. Collaboration solutions and endpoint features
  2. Endpoint registration, configuration, and troubleshooting
  3. Network connectivity and support for collaboration devices

Topics to cover in each 100-890 exam domain

Collaboration Solutions and Endpoints:

  • Cisco IP phone hardware components
  • Understanding firmware and features
  • VoIP call paths and communication flows

Cisco Unified Communication Manager (CUCM) Basics:

  • Phone registration and provisioning
  • Directory numbers and basic call routing
  • Software and firmware upgrades

Troubleshooting Collaboration Devices:

  • Diagnosing hardware and registration issues
  • Network and connectivity troubleshooting
  • PoE and VLAN-related problems

Cloud Collaboration Solutions:

  • Introduction to Webex Calling and hybrid environments
  • Endpoint registration in cloud-based systems

Changes in the latest version of 100-890

Recent updates include more focus on:

  • Webex Calling and cloud endpoints
  • Hybrid communication systems
  • Network troubleshooting for modern collaboration systems
  • Updated Cisco IP phone and collaboration tool support

This ensures technicians are prepared for current remote and hybrid workflows.

Register and schedule your 100-890 exam

You can schedule the exam through Cisco’s official testing partner: Pearson VUE

Candidates have the option to take the exam online with a remote proctor or in a certified testing center.

100-890 exam cost, and can you get any discounts?

The exam fee is approximately $125 USD. Discounts may be available through:

  • Cisco Networking Academy programs
  • Student or regional pricing
  • Promotional Cisco vouchers

Always check for updated pricing in your region.

Exam policies you should know before taking 100-890

Important rules include:

  • Valid government ID is required
  • Testing room and equipment must meet online exam standards
  • Retake allowed after a waiting period if you fail
  • Some test formats may restrict returning to previous questions

Review Cisco’s candidate agreement before scheduling.

What can you expect on your 100-890 exam day?

The exam is 90 minutes long with multiple-choice questions focused on practical knowledge. Many scenarios involve troubleshooting issues such as registration failures or network outages. The difficulty level is moderate and suitable for beginners with proper preparation.

Plan your 100-890 study schedule effectively with 6 Study Tips

  1. Start with collaboration basics and learn key terms
  2. Practice troubleshooting common device issues
  3. Use diagrams to understand call flow concepts
  4. Build hands-on experience with CUCM or online labs
  5. Study regularly instead of cramming
  6. Test yourself with practice exams and verify your readiness
  7. Use Cert Empire practice questions to strengthen your skill. 

Best study resources you can use to prepare for 100-890

Recommended study materials include:

  • Cisco official learning content
  • Cisco Press books
  • Labs and simulation tools
  • Online tutorials demonstrating configuration tasks

Career opportunities you can explore after earning 100-890

This certification can help you start roles such as:

  • IT Support Technician
  • Collaboration Support Associate
  • Help Desk Specialist
  • VoIP Support Technician
  • Unified Communications Support Technician

These positions are increasingly in demand due to expanded remote communication systems in businesses.

Certifications to go for after completing 100-890

Next recommended certifications include:

  • Cisco CCNA
  • Cisco Collaboration-focused tracks (CCNP Collaboration)
  • Webex Calling Specialist certifications

This path can lead to becoming a Collaboration Engineer or VoIP Specialist.

How does 100-890 compare to other beginner-level cloud or collaboration certifications?

Certification

Focus Area

Difficulty

Target Candidate

Cisco 100-890

Collaboration endpoints and troubleshooting

Beginner

New IT and support professionals

Cisco CCNA

Broad networking knowledge

Moderate

Those pursuing a general networking career

Microsoft Teams Administrator

Microsoft voice and collaboration services

Intermediate

Microsoft-focused environments

If your goal is a Cisco-based communication and collaboration role, the 100-890 is the best starting point.

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Last Update Check November 12, 2025
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