--- title: "DailyDebian (@dailydebian) | Hashnode" description: "DailyDebian makes free study tools for IT certification exams. Use 17 browser calculators and quizzes (subnet, CIDR, IPv6, chmod, CVSS, RAID), 21 cheat sheet..." url: "https://hashnode.com/@dailydebian" --- @dailydebian # DailyDebian @dailydebian · Joined November 2026 ### [Security+ SY0-701 or SY0-801: Which Exam Should You Take?](https://dailydebian.hashnode.dev/security-sy0-701-or-sy0-801-which-exam-should-you-take?utm_source=hashnode&utm_medium=feed) 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 6 min read · [dailydebian.hashnode.dev](https://dailydebian.hashnode.dev/security-sy0-701-or-sy0-801-which-exam-should-you-take?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/security-sy0-701-or-sy0-801-which-exam-should-you-take/6af1b8cb3646b4b59d549264) ### [What IT certification exams actually cost in 2026: exam, retake and renewal](https://dailydebian.hashnode.dev/what-it-certification-exams-actually-cost-in-2026-exam-retake-and-renewal?utm_source=hashnode&utm_medium=feed) 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 6 min read · [dailydebian.hashnode.dev](https://dailydebian.hashnode.dev/what-it-certification-exams-actually-cost-in-2026-exam-retake-and-renewal?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/what-it-certification-exams-actually-cost-in-2026-exam-retake-and-renewal/6af156176de9723fb6b058d8) ### [Subnetting in four steps: the method that works under exam pressure](https://dailydebian.hashnode.dev/subnetting-in-four-steps-the-method-that-works-under-exam-pressure?utm_source=hashnode&utm_medium=feed) 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 5 min read · [dailydebian.hashnode.dev](https://dailydebian.hashnode.dev/subnetting-in-four-steps-the-method-that-works-under-exam-pressure?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/subnetting-in-four-steps-the-method-that-works-under-exam-pressure/6af15463521efb7b1c59e1c6)