Network Defense Essentials — EC-Council Certified Security Specialist (E|CSS)

The official ECCOUNCIL documentation our Network Defense Essentials practice questions are cited to. Review the primary sources, then practise.

Official references for this objective

Eccouncil — Network Defense Essentials (NDE) Certification Training | EC-Council

Implementing Network-Based Firewall Functionality: Blocking Unwanted Website access using pfSense Firewall Implementing Network-Based Firewall Functionality: Blocking Insecure Ports using pfSense Firewall
Eccouncil — EC-Council Certified Security Specialist | ECSS | EC-Council

Cryptography fundamentals, including symmetric/asymmetric encryption, hash functions, digital signatures, and their role in securing systems and data