Penetration Testing Interview Questions

Penetration testing experts are those who understand how to protect a network and find flaws in network security. You’ll need to know how to use the tools of the trade, but you’ll also need to understand how hackers access private systems and what you can do to prevent unauthorized access to network systems. When you have an interview, here are some questions you might get asked in the field.

• What are your first steps when securing a Linux server/ Windows server?

• Why is DNS monitoring important?

• What port does ping work over?

• Do you prefer filtered ports or closed ports on your firewall?

• How exactly does traceroute/tracert work at the protocol level?

• What are Linux strengths and weaknesses vs. Windows?

• Are open-source projects more or less secure than proprietary ones?

• How do you change your DNS settings in Linux/Windows?

• What’s the difference between encoding, encryption, and hashing?

• How often do you use Wireshark or Nmap?