About CHS-CY1 Exam Prep
An independent practice platform for the CodeHS Cybersecurity Level 1 (CHS-CY1) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the CHS-CY1 exam
The CodeHS Cybersecurity Level 1 (CHS-CY1) exam is organized into 6 knowledge domains. It has 45 questions and is completed in 1 hours 30 minutes. Here is what it covers:
- Cybersecurity Essentials: Ransomware; Phishing; Internet of Things; The CIA Triad; Cyber Ethics; Credit and Copyright; Legal vs. Ilegal Hacking
- Cryptography: Basic Cryptography; Code Breaking; Brute Force; Frequency Analysis; Caesar Cipher; Vigenere Cipher
- System Administration: Operating Systems; Software & Software Licenses; Application Security; Browsers; System Administration; Command Line System
- IT Concepts: Internet Addresses; IPv4 and IPv6; DNS Hierarchy; Routing; Packets and Protocols
- IT Infrastructure: Internal Components; Peripheral Devices; Network Devices; Storage Options; Network Options; Network Communication; Network Management
- Digital Safety and Data Security: Digital Footprint; Cyberbullying; Internet Safety; Clients and Servers; SQL Queries; SQL Injection; Developer Tools
Every practice question on this site is organized across these 6 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.