About DCI Exam Prep

An independent practice platform for the Data Cabling Installer (DCI) exam - real questions across every exam domain, each with a plain-language explanation.

What's on the DCI exam

The Data Cabling Installer (DCI) exam is organized into 22 knowledge domains. It has 75 questions and is completed in 2 hours. Here is what it covers:

• SAFETY
• BASIC ELECTRICITY
• DATA CABLING INTRODUCTION
• DATA COMMUNICATIONS BASICS
• CABLING SPECIFICATIONS AND STANDARDS
• BASIC NETWORK DESIGN: ARCHITECTURE AND IMPLEMENTATION
• CABLE CONSTRUCTION
• CABLE PERFORMANCE CHARACTERISTICS
• NATIONAL ELECTRICAL CODE® and UNDERWRITERS LABORATORIES® REQUIREMENTS
• TELECOMMUNICATIONS CABLING SYSTEM STRUCTURE
• DATA CABLING INSTALLER TOOLS
• TRANSMISSION MEDIA FOR NETWORKING AND TELECOMMUNICATIONS
• WORK AREA TELECOMMUNICATIONS OUTLET AND CONNECTORS
• LOCAL AREA NETWORK INTERCONNECTION AND INTERNETWORKING
• WIRELESS HETEROGENEOUS CABLING NETWORKS
• CABLING SYSTEM COMPONENTS
• CABLING SYSTEM DESIGN
• CABLING INSTALLATION
• CONNECTOR INSTALLATION
• CABLING TESTING AND CERTIFICATION
• CABLING TROUBLESHOOTING
• DOCUMENTATION

Every practice question on this site is organized across these 22 domains, so your study tracks the real exam structure instead of guesswork. As you answer, the per-domain analytics surface the areas still costing you points, so your review goes where it moves your score.

What we believe good exam prep looks like

Realistic practice beats passive reading. Every question is written to mirror the style and difficulty of the real exam, with a clear explanation of why the right answer is right and the others aren't.

Your weak spots should find you. Domain analytics, mistake review, and re-drilling are built in, so study time goes where it moves your score.

Pricing should be simple. One payment for a fixed access window matched to your exam date. No subscription, no auto-renewal, and 10 free questions to try before you spend anything.

Get in touch

Questions, feedback, or something not working? Email support@boardmentor.study - candidate messages are read and answered.