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NSE4Free Study Guide

Fortinet NSE 4 Network Security ProfessionalThe Complete Beginner's Guide

This guide covers the official exam objectives for the Fortinet NSE 4 certification, focusing on FortiGate administration, security policies, VPNs, and advanced threat protection.

14 chapters
~3 hours total read
Free — no signup required
By Johnson Ajibi · Senior Network & Security Engineer · MSc IT Security

How to use this guide

This guide works best as a loop: read a chapter, test yourself with practice questions, look up unfamiliar terms in the glossary, then move to the next chapter.

① Read a chapter② Answer practice questions③ Review missed answers④ Repeat
Study Chapters

14 chapters covering every exam objective. Each chapter includes key concepts, exam tips, common traps, comparison tables, and a 5-question quiz at the end.

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Practice Questions

Free timed and untimed practice with instant feedback and full explanations. Pick 10–120 questions per session. Filter by domain to drill your weak areas.

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Glossary

Every NSE4term defined and searchable. Use it when a chapter mentions a concept you haven't seen before or want a quick refresher on.

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Exam Overview

Exam blueprint, domain weights, passing score, duration, cost, and registration links. Start here if you're new to this certification.

View exam guide

Chapters — NSE4

1

FortiGate Overview and Initial Setup

Objective 1.1 · Describe the FortiGate product line and perform initial configuration including interfaces, administrative access, and firmware upgrades.

12m
2

System Administration and Management

Objective 1.2 · Configure administrative profiles, administrator accounts, and understand management access methods (HTTP, HTTPS, SSH, CLI, FortiExplorer).

12m
3

Routing Basics and Static Routes

Objective 2.1 · Configure static routes, administrative distances, and understand routing table concepts for FortiGate.

12m
4

Firewall Policies and Security Policies

Objective 3.1 · Create and manage firewall policies, including security policy components, scheduling, and policy ordering.

12m
5

Network Address Translation (NAT)

Objective 3.2 · Configure source NAT (SNAT) and destination NAT (DNAT), including NAT pools, virtual IPs, and one-to-one NAT.

12m
6

Application Control and Intrusion Prevention System (IPS)

Objective 4.1 · Configure application control profiles and IPS sensors to protect network traffic from threats.

12m
7

Antivirus and Web Filtering

Objective 4.2 · Deploy antivirus scanning profiles and configure web filtering policies to block malicious and inappropriate content.

12m
8

DNS Filtering and Authentication Policies

Objective 4.3 · Implement DNS filtering to block malicious domains and configure firewall authentication for user and device identity.

12m
9

Site-to-Site IPsec VPNs

Objective 5.1 · Configure site-to-site IPsec VPNs including IKE versions, phase 1 and phase 2 settings, and tunnel interfaces.

12m
10

Remote Access VPNs (SSL and IPsec)

Objective 5.2 · Configure SSL VPN and client-based IPsec VPN for remote users, including portal settings and authentication.

12m
12

VLAN Interfaces and Basic Switching

Objective 2.2 · Create VLAN interfaces and configure basic switching features such as DHCP relay and spanning tree protocol interaction.

12m
13

Logging, Monitoring, and Alerts

Objective 7.1 · Configure logging to local and remote destinations, enable alerts, and use the FortiGate dashboard for monitoring.

12m
14

Certificate Management and SSL Inspection

Objective 4.4 · Manage digital certificates and configure SSL inspection profiles to decrypt and inspect encrypted traffic.

12m
15

Traffic Shaping and Quality of Service (QoS)

Objective 3.3 · Implement traffic shaping policies and QoS settings to prioritize and limit bandwidth for different types of traffic.

12m

Ready to test your knowledge?

Free NSE4 practice questions with full explanations. Test what you learn chapter by chapter.

NSE4 Practice Questions