IT Study Guide 2026
Everything you need to pass the IT exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 IT Exam Format at a Glance
📚 IT Topics to Study (63)
✍️ Sample IT Questions & Answers
1. Which US law regulates the privacy and security of protected health information (PHI)?
HIPAA sets national standards for protecting patient health information.
2. A technician needs to find which hop is dropping packets between a workstation and a remote server. Which tool is most appropriate?
Traceroute shows each router hop along the path and where responses stop or slow.
3. How long is an AWS certification valid before recertification is required?
AWS certifications are valid for three years.
4. What is the purpose of a firewall in networking?
A firewall acts as a security barrier, monitoring and controlling incoming and outgoing network traffic based on predefined security rules. Its primary purpose is to filter unauthorized access, preventing malicious attacks and protecting internal networks from external threats. Firewalls are crucial for maintaining network security and can be implemented as hardware, software, or a combination.
5. Which authentication protocol uses a Key Distribution Center to issue time-stamped tickets in Windows domains?
Kerberos uses a KDC to issue ticket-granting tickets and service tickets, and it relies on synchronized clocks.
6. A network administrator can technically read all employee emails. When is accessing an employee's mailbox appropriate?
Technical access does not equal authorization; mailbox access must follow policy and documented approval.
🎯 Free IT Practice Tests
📖 IT Guides & Articles
What Practice Test Geeks adds beyond an AI chat for IT
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length IT mock exam — 70 questions in 60 minutes with a 72% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed IT question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable IT cheat sheet you can print or save as a PDF.
- IT flashcards built from the same question bank.
- Free IT practice tests with the correct answer shown after each question.