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CYBER SCAN

Decoding
Digital DNA

Industry Relevance
→ Core requirement for anyone in cyber defense, network setup, or red teaming.

~/NODE.SCAN—Know Your Devices

If you think a router is just a box with lights, you probably think Siri is real too.

01

“Who assigns the IP address? The mobile phone?”
Oh yes bro, your mobile also runs the United Nations now.

02

You think port numbers are like phone numbers?
Then opening port 443 must connect you to your crush directly.

03

“MAC address comes from Wi-Fi router, right?”
Yeah, and maybe your shoes come from the floor.

04

“What’s this DHCP thing even doing?”
Just quietly babysitting your entire network while you scroll reels.

05

“MAC address is like IP, right?”
MAC is hardware. IP is software. Don’t mix up your shirt and your phone number.

06

“Why so many ports? I only need 2—upload and download.” Congrats bro, you just simplified the internet into a sandwich.

07

“Can we track someone’s location using IP alone?”
Of course. And you can find aliens by shouting at the moon.

08

“DHCP gives IP right? Then who gives the DHCP?”
Now we’re getting philosophical. Ask your router’s router.

09

“MAC spoofing? I thought MAC was permanent?”
Bro, if your hairstyle can change, so can a MAC address.

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