Uploaded April 2026 | Updated September 2026, 2 weeks ago
Ever wonder why two computers can talk directly to each other without a switch in the middle? The answer starts with the cable. CBT Nuggets trainer Jeff Kish breaks down how crossover cables work, why the TX and RX pairs are swapped, and when you'd actually use one in the real world — all foundational knowledge covered in the CCNA.
🔎 Read more in our blog _What is Auto-Medium-Dependent Interface Crossover (MDI-X)_ for more info: blog.cbt.gg/039f46
For IT teams, CCNA isn't just a certification. It's a shared language. When your whole team understands networking fundamentals, troubleshooting gets faster, onboarding gets smoother, and you spend less time explaining the basics and more time solving real problems.
*Want to build that foundation across your team? Let's build your IT team training plan today:* training.cbt.gg/getdemo
👉 Watch the entire Cisco CCNA training course: training.cbt.gg/33i
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*Is CCNA worth it?*
Yes, the CCNA is definitely worth it — it’s one of the best certifications a network administrator could earn at any point in their career. The CCNA is worth it because Cisco technology provides service provider and enterprise router solutions to nearly 40% of the world. Of course, there are plenty of non-Cisco networks, but there’s basically no other certification that can, all at once, prepare you for all the devices and jobs that the CCNA does.
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🚀 Not a CBT Nuggets subscriber? Sign up for a FREE trial today: training.cbt.gg/sbp
💡 Use our FREE IT Assessment tools to make data-driven decisions about your IT training path: training.cbt.gg/sh31
📚 FREE IT Certification Guides for popular IT certifications: training.cbt.gg/mwu
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#cisco #networking #networkengineer #ittraining #itcareer #onlinetraining #itcertifications #ccna #adept #cbtnuggets
Ever wonder why two computers can talk directly to each other without a switch in the middle? The answer starts with the cable. CBT Nuggets trainer Jeff Kish breaks down how crossover cables work, why the TX and RX pairs are swapped, and when you'd actually use one in the real world — all foundational knowledge covered in the CCNA.
🔎 Read more in our blog _What is Auto-Medium-Dependent Interface Crossover (MDI-X)_ for more info: blog.cbt.gg/039f46
For IT teams, CCNA isn't just a certification. It's a shared language. When your whole team understands networking fundamentals, troubleshooting gets faster, onboarding gets smoother, and you spend less time explaining the basics and more time solving real problems.
*Want to build that foundation across your team? Let's build your IT team training plan today:* training.cbt.gg/getdemo
👉 Watch the entire Cisco CCNA training course: training.cbt.gg/33i
========================
*Is CCNA worth it?*
Yes, the CCNA is definitely worth it — it’s one of the best certifications a network administrator could earn at any point in their career. The CCNA is worth it because Cisco technology provides service provider and enterprise router solutions to nearly 40% of the world. Of course, there are plenty of non-Cisco networks, but there’s basically no other certification that can, all at once, prepare you for all the devices and jobs that the CCNA does.
-----------------
🚀 Not a CBT Nuggets subscriber? Sign up for a FREE trial today: training.cbt.gg/sbp
💡 Use our FREE IT Assessment tools to make data-driven decisions about your IT training path: training.cbt.gg/sh31
📚 FREE IT Certification Guides for popular IT certifications: training.cbt.gg/mwu
-----------------
#cisco #networking #networkengineer #ittraining #itcareer #onlinetraining #itcertifications #ccna #adept #cbtnuggets
