Common ports cheat sheet 🔌
The TCP and UDP port numbers for web, email, DNS, DHCP, remote access, VPN and databases.
Free PDF 👉 https://dailydebian.com/blogs/cheat-sheets/common-ports-cheat-sheet
#NetworkPlus #SecurityPlus #CompTIA

Subnetting cheat sheet 🧮
Every CIDR from /32 to /8, block sizes, private ranges and a 4-step method, on one page.
Free PDF 👉 https://dailydebian.com/blogs/cheat-sheets/subnetting-cheat-sheet
#CCNA #NetworkPlus #Subnetting

Your office LAN is almost certainly a star: one cable per desk, one switch in the middle.

Great for scaling and fault isolation. Until that switch dies and everyone goes down together.

Full topology breakdown in the first comment.

#NetworkPlus #CompTIA

Nine real exam questions from the CompTIA A+ 220-1201 bank. Have a go before you swipe.

All 512 of them, answers and reasons included, at dailydebian.com

#networkplus #n10009 #comptia #networkengineer #itcertification

Nine real exam questions from the CompTIA CySA+ CS0-003 bank. Have a go before you swipe.

All 627 of them, answers and reasons included, at dailydebian.com

#networkplus #n10009 #comptia #networkengineer #itcertification

Nine real exam questions from the CompTIA Security+ SY0-701 bank. Have a go before you swipe.

All 611 of them, answers and reasons included, at dailydebian.com

#networkplus #n10009 #comptia #networkengineer #itcertification

Nine real exam questions from the CompTIA Network+ N10-009 bank. Have a go before you swipe.

All 769 of them, answers and reasons included, at dailydebian.com

#networkplus #n10009 #comptia #networkengineer #itcertification

Network+ for Cyber Careers — networking fundamentals with a defender's lens. The foundation every analyst needs. https://cyberthreatschool.com/courses #NetworkPlus #cybersecurity

Studying for CompTIA Network+ with N10-008 material in 2026? That blueprint was retired in 2025.

N10-009: 90 min, 720/900 to pass, PBQs upfront.

Started a 23-part series covering the whole exam. Link in first comment.

#CompTIA #NetworkPlus

#comptia #networkplus #comptianetworkplus #n10009 #networking #comptiacertification #itcertifications #studytok

#comptia #networkplus #comptianetworkplus #n10009 #networking #comptiacertification #itcertifications #studytok