DailyDebian makes free study tools for IT certification exams. Use 17 browser calculators and quizzes (subnet, CIDR, IPv6, chmod, CVSS, RAID), 21 cheat sheets with free PDFs, free practice questions with explanations, and a price index of 137 exams, every price sourced.
CompTIA's new Security+ launches on 17 November 2026. Here is how to choose, using only CompTIA's own exam pages. If you are studying for CompTIA Security+ right now, you have probably seen the questi
First published by DailyDebian. The full, sortable table with a source link for every row is the IT Certification Price Index. Most people budget for one number: the exam fee. That number is real, but
First published by DailyDebian. The one-page version, with a free PDF, is the Subnetting Cheat Sheet. Subnetting is on both CompTIA Network+ and Cisco CCNA. It also turns up in every network job you w
