Exams
Exams · itcareer session.
IT Certifications & Career
Which certification is worth the money, what to build in a home lab, and the questions an IT interview actually asks.
Plan Your PathAn honest route into IT: the certifications employers name, the lab work that teaches what exams cannot, and what each step really pays.
The whole library is open. Nothing to sign up for and nothing to pay.
New content goes up often, so there is always something you have not seen.
Plays on a phone, tablet or computer without installing anything.
Organised so you can find what you want instead of scrolling forever.
A certification study plan with revision built in, the review load it creates, and honest task estimates.
Chair, desk and screen heights worked from your own measurements, not a standard. It runs in your browser — nothing you type is sent anywhere.
Elbows at about ninety degrees, wrists flat, top of the screen at or just below eye level. The best posture is the next one — a perfect setup you do not move in still hurts by the afternoon.
Free tools
Subnets, transfer times, uptime budgets and what your browser gives away — the sums nobody wants to do by hand.
CIDR in, network, broadcast, mask and usable host range out. Runs entirely in your browser; nothing you type leaves this page.
Type any address inside the network — it does not have to be the network address itself.
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Curated sets that guide visitors straight to what they'll love.
A hand-picked set to introduce newcomers to everything your library has to offer.
The videos your audience returns to again and again — your greatest hits in one place.
Just-added content to keep regulars coming back and give visitors a reason to subscribe.
The things people usually want to know.
Yes — the whole library is open, with nothing to sign up for.
Regularly. Join the newsletter and you will hear when something new goes up.
Yes. Everything plays on a phone, tablet or computer without an app.
Use the contact form and your message comes straight through.
The whole library is free and open — have a look around.
Free to browse · No sign-up needed · New content weekly
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