FAQ1: What is the best laptop to study ethical hacking and cyber security with?
The best laptop to study and practice ethical hacking with is any high end laptop with sufficient Solid State Drive (SDD) or Hard Disk Drive (HDD), dedicated Graphics Card, minimum of 32GB of RAM or core i7 processor and beyond. But at a minimum a laptop with 500GB HDD and 8GB RAM, core i3 is also a good starting point.
FAQ2: What is Kali Linux?
Kali Linux is a Linux distribution based on Debian, built and maintained by Offensive Security, a Cyber Security Training and Certification Company. Kali Linux comes with many hacking and forensic tools preinstalled. Another popular Linux distribution used for hacking is Parrot OS. But you can use any other Linux distribution to learn ethical hacking.