FORTINETFortinet NSE 4 - FortiOS 7.6 Administrator
The Fortinet NSE 4 - FortiOS 7.6 Administrator certification validates your ability to configure, operate, and administer FortiGate devices in enterprise network security infrastructures. It covers deployment, firewall policies, content inspection, routing, and VPNs, with hands-on scenarios and troubleshooting. Earning it demonstrates practical, day-to-day FortiGate expertise that employers trust.
502 practice questions · Updated 2026-07-30
5Domains
23Objectives
152Concepts
502Questions
NSE4-FORTIOS-ADMINISTRATOR Curriculum
Every domain, objective, and concept the NSE4-FORTIOS-ADMINISTRATOR exam measures.
- FortiGate factory default settings
- FortiGuard license activation and verification
- FortiGate administrative access methods
- FortiGate as a DHCP server
- System configuration backup and restore
- FortiGate firmware upgrade process
- Use cases for initial configuration
- Log workflow
- Log storage options
- Device registration on FortiAnalyzer
- Log message viewing and searching
- FGCP HA Overview
- HA Cluster Configuration
- HA Setting Modifications
- Session Synchronization
- HA Management Interface
- HA Cluster Operation
- HA Cluster Firmware Upgrade
- HA Use Cases
- Abnormal behavior monitoring
- Physical layer problem diagnosis
- Network layer problem diagnosis
- Connectivity troubleshooting with sniffer
- Connectivity troubleshooting with debug flow
- High CPU usage diagnosis
- High memory usage diagnosis
- Memory conserve mode understanding
- Memory conserve mode management
- Resource problem use cases
- Public Cloud Threats and Challenges
- Fortinet Public Cloud Solutions Overview
- FortiGate VM Deployment in Public Cloud
- FortiGate CNF Architecture and Features
- Use Cases for FortiGate VMs and CNF
- Remote Work Challenges
- SASE Architecture Overview
- FortiSASE Components
- FortiSASE Security Features
- FortiSASE Use Cases
- User Onboarding Methods
- Firewall policy fundamentals
- Policy matching and ordering
- Inspection modes overview
- Flow-based inspection
- Proxy-based inspection
- Selecting inspection mode
- Firewall policy traffic logs
- Enabling and configuring traffic logs
- Use cases for firewall policies
- Policy troubleshooting use cases
- SNAT configuration
- DNAT using VIP
- DNAT settings with VIP
- SNAT and DNAT use cases
- LDAP authentication server configuration
- RADIUS authentication server configuration
- Active authentication methods
- Passive authentication methods
- Firewall user monitoring in GUI
- Use cases for firewall authentication
- FSSO DC Agent Mode Overview
- Deploying FSSO DC Agent
- FSSO Collector Agent Architecture
- Configuring Collector Agent
- FSSO Integration with FortiGate
- Troubleshooting FSSO Login Issues
- FSSO Use Cases
- Full SSL inspection for outbound traffic
- SSH inspection for outbound traffic
- Private CA certificates on endpoints
- Certificate validation and trust issues
- Use cases for full SSL inspection
- Flow-based vs proxy-based inspection modes
- Certificate inspection for web filtering
- Web filter profiles in flow-based mode
- Web filter profiles in proxy-based mode
- FortiGuard web filtering categories
- URL filters
- Troubleshooting web filtering issues
- Web filtering use cases
- Application control in profile mode
- Application control event monitoring
- Traffic matching with application control profile issues
- Application control use cases
- Flow-based vs proxy-based AV inspection
- AV profile configuration in flow mode
- AV profile configuration in proxy mode
- Protocol options for antivirus scanning
- Antivirus event logging
- Monitoring antivirus events
- Common antivirus issues
- IPS sensor configuration
- IPS sensor assignment
- IPS signature management
- IPS high-CPU usage diagnosis
- IPS high-CPU usage mitigation
- IPS use case identification
- IPS use case implementation
- Static routing fundamentals
- Configuring static routes on FortiGate
- Routing table structure on FortiGate
- Route selection and administrative distance
- Static route redundancy
- Static route load balancing
- Use cases for static routing
- SD-WAN concepts
- Main use cases for SD-WAN
- SD-WAN on FortiGate
- Routing behavior in an SD-WAN context
- SD-WAN behavior, link usage, and quality status
- Use cases for SD-WAN load balancing
- IPsec VPN Fundamentals
- IKE Phase 1
- IKE Phase 2
- IPsec Tunnel and Transport Modes
- IPsec Encryption and Authentication Algorithms
- Diffie-Hellman Key Exchange
- IPsec Security Associations (SAs)
- FortiGate IPsec VPN Configuration Basics
- IPsec VPN Troubleshooting Concepts
- IPsec wizard overview
- Pre-configuration requirements
- Launching the IPsec wizard
- Selecting VPN type and template
- Configuring remote gateway and authentication
- Setting up local and remote networks
- Configuring advanced options
- Reviewing and applying the configuration
- Verifying the IPsec tunnel
- Redundant VPN Overview
- VPN Tunnel Redundancy Options
- Configuring Multiple Tunnels
- Dead Peer Detection (DPD)
- Tunnel Monitoring and Failover
- Routing for Redundancy
- Failover Testing and Verification
- IPsec VPN Fundamentals
- IPsec VPN Configuration
- IPsec VPN Troubleshooting
- VPN Log Review
- IPsec tunnel establishment troubleshooting
- IPsec traffic flow and routing issues
- IPsec tunnel monitoring and diagnostics
- IPsec dead peer detection and failover
- IPsec rekeying and lifetime issues
- IPsec fragmentation and MTU issues
- IPsec NAT traversal issues
- IPsec authentication and certificate issues
- IPsec performance and throughput issues
- Identify VPN use cases
- Match VPN types to use cases
- Apply VPN use cases in FortiOS
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