The Security Certified Network Specialist (SCNS) certification is a must-have for IT pros who are entering the world of security. The core course, Tactical Perimeter Defense (TPD), prepares students for the SC0-451 exam.
As the security industry moves quickly, skills require consistent validation. The SCNS credential is valid for two years from the pass date. Recertification is required to maintain good standing.
Prerequisites
Security+ certification or equivalent work experience is the recommended prerequisite for the SCNS program. SCP is not affiliated with, nor does it own any part of, the Security+ certification.
Class: Tactical Perimeter Defense
The Tactical Perimeter Defense class provides the foundational skills required by security professionals. This Instructor-led course is designed to be completed in 5 days, with intense, practical labs.
Exam: SC0-451
The exam covers all elements of the Tactical Perimeter Defense class and includes the following domains:
| Examination Domain | Exam Portion |
| 1.0 – Network Defense Fundamentals | 5% |
| 2.0 - Hardening Routers and Access Control Lists | 10% |
| 3.0 – Implementing IPSec and Virtual Private Networks | 10% |
| 4.0 – Advanced TCP/IP | 15% |
| 5.0 – Securing Wireless Networks | 15% |
| 6.0 - Designing and Configuring Intrusion Detection Systems | 20% |
| 7.0 - Designing and Configuring Firewall Systems | 25% |
| Total | 100% |
Exam length: 60 questions
Exam duration: 90 minutes
Passing score: 75%
Exam cost: $179 (USD)