The OSCP (Offensive Security Certified Professional) is an entry-level penetration testing certification that is well-respected in the cyber security industry.
OSCP
Offensive Security Certified Professional (OSCP) is an Ethical Hacking certification offered by Offensive Security that teaches penetration testing methodologies and the use of the tools included with the Kali Linux distribution
Before you even touch the OSCP practice labs, you should thoroughly learn Networking, Linux, Bash, Perl, and Python.