ByteBar Study Hub — Free IT Certification Study Resources

Start here. Pass with ByteBar. Plain-English previews of selected exam domains, each with a must-memorize table and sample questions — free, no signup.

What these previews are: free study previews covering selected conceptual domains of each exam — roughly 60–70% of domains per exam. The highest-weight and most hands-on domains stay out of the free hub — they are covered in full by the study guides on Etsy. For exams included in the Practice Exam Simulator, they are also drilled there ($9.99 one-time, all 28 exams).

Pick your exam

CompTIA A+ (220-1201 & 220-1202)

The CompTIA A+ (220-1201 & 220-1202) is the entry-level IT certification, spanning nine domains across two exams. This hub previews six conceptual domains free — the Practice Exam Simulator covers all nine — $9.99 one-time for all 28 exams.

6 free previews · 9 domains on the exam

AWS Certified AI Practitioner (AIF-C01)

The AWS Certified AI Practitioner (AIF-C01) validates AI/ML fundamentals on AWS across five domains. This hub previews three conceptual domains free — the full AWS AI Practitioner Study Guide on Etsy covers all five in exam-weight order.

3 free previews · 5 domains on the exam

AWS Certified Cloud Practitioner (CLF-C02)

The AWS Certified Cloud Practitioner (CLF-C02) validates cloud fundamentals across four domains. This hub previews three domains free — the full AWS Cloud Practitioner Study Guide on Etsy covers all four in exam-weight order.

3 free previews · 4 domains on the exam

Microsoft Azure Fundamentals (AZ-900)

The Microsoft Azure Fundamentals (AZ-900) validates cloud concepts on Azure across three domains. This hub previews two conceptual domains free — the Practice Exam Simulator covers all three — $9.99 one-time for all 28 exams.

2 free previews · 3 domains on the exam

Cisco CCNA (200-301)

The Cisco CCNA 200-301 validates networking fundamentals across six domains. This hub previews four conceptual domains free — the full CCNA Study Guide on Etsy covers all six in exam-weight order.

4 free previews · 6 domains on the exam

ISC2 CISSP (CISSP)

The CISSP validates advanced security leadership across eight domains. This hub previews five conceptual domains free — the full CISSP Study Guide on Etsy covers all eight in exam-weight order.

5 free previews · 8 domains on the exam

Certified Kubernetes Administrator (CKA)

The CKA is a hands-on Kubernetes exam across five domains. This hub previews the three conceptual domains free — the Practice Exam Simulator covers all five — $9.99 one-time for all 28 exams.

3 free previews · 5 domains on the exam

Certified Kubernetes Application Developer (CKAD)

The CKAD is a hands-on Kubernetes developer exam across five domains. This hub previews three conceptual domains free — the Practice Exam Simulator covers all five — $9.99 one-time for all 28 exams.

3 free previews · 5 domains on the exam

CompTIA Cloud+ (CV0-004)

The CompTIA Cloud+ (CV0-004) validates cloud administration across six domains. This hub previews four conceptual domains free — the Practice Exam Simulator covers all six — $9.99 one-time for all 28 exams.

4 free previews · 6 domains on the exam

CompTIA CySA+ (CS0-004)

The CompTIA CySA+ (CS0-004) validates security analytics skills across four domains. This hub previews three domains free — the Practice Exam Simulator covers all four — $9.99 one-time for all 28 exams.

3 free previews · 4 domains on the exam

Docker Certified Associate (DCA)

The Docker Certified Associate (DCA) validates Docker skills across six domains. This hub previews four domains free — the Practice Exam Simulator covers all six — $9.99 one-time for all 28 exams.

4 free previews · 6 domains on the exam

ISC2 Certified in Cybersecurity (CC)

The ISC2 Certified in Cybersecurity (CC) validates entry-level security knowledge across five domains. This hub previews three conceptual domains free — the full ISC2 CC Study Guide on Etsy covers all five in exam-weight order.

3 free previews · 5 domains on the exam

CompTIA Linux+ (XK0-006)

The CompTIA Linux+ (XK0-006) validates Linux administration across five domains. This hub previews three conceptual domains free — the Practice Exam Simulator covers all five — $9.99 one-time for all 28 exams.

3 free previews · 5 domains on the exam

CompTIA Network+ (N10-009)

The Network+ N10-009 validates networking fundamentals across five domains. This hub previews three conceptual domains free — the Practice Exam Simulator covers all five — $9.99 one-time for all 28 exams.

3 free previews · 5 domains on the exam

CompTIA Security+ (SY0-701)

The Security+ SY0-701 validates baseline cybersecurity skills across five domains. This hub previews three conceptual domains free — the Practice Exam Simulator covers all five — $9.99 one-time for all 28 exams.

3 free previews · 5 domains on the exam