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Home - Lessons - Fortinet FCP / NSE 4 Certification Training - M6 — High Availability and Diagnostics - Config checksums, split-brain and the failure modes that bite

Fortinet FCP / NSE 4 Certification Training Config checksums, split-brain and the failure modes that bite

Fortinet FCP / NSE 4 Certification Training

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M1 — FortiGate Fundamentals and Packet Flow

FortiOS versions, platforms and where each fits

FortiGate packet flow and the inspection order

Administrative access, fabric connection and initial hardening

Zones, interfaces and the default deny posture

VDOMs and the multi-tenant model

The Fortinet Security Fabric and how it changes traffic behaviour

M2 — Firewall Policy and Object Design

Policy components: source, destination, service, action, schedule

Address and service objects, groups and useful reuse

Rule ordering, the implicit deny and clean-up rules

Policy hit counters, logging and auditing a rulebase

Internet service database and application control integration

Keeping a large policy readable for the next engineer

M3 — Routing, NAT and Network Configuration

Static and dynamic routing, including policy routes and their trap

SD-WAN: zones, members, rules and application steering

Source NAT, destination NAT and central NAT configuration

Interfaces: transparent mode, hardware switch and VLANs

DNS, DHCP and the supporting services a branch needs

Troubleshooting an asymmetric routing problem

M4 — VPN: IPsec and SSL Remote Access

IPsec concepts: IKE, phase one and phase two negotiation

Site-to-site IPsec with route-based tunnels and keepalive

Dead peer detection and failover behaviour

SSL VPN: tunnel mode, web mode and the portal design

FortiClient: provisioning, always-on and split tunnelling

Certificate handling and the common handshake failures

M5 — Security Profiles and UTM

Firewall profiles: antivirus, antispyware and behaviour analysis

Application control and what it changes about your policy

Intrusion prevention: sensors, signatures and tuning for noise

Web filter: categories, overrides and HTTPS inspection

DNS filtering and sandboxing files with FortiSandbox

Profile ordering, exemptions and measuring what blocked what

M6 — High Availability and Diagnostics

HA modes, priority, session sync and failover triggers

Config checksums, split-brain and the failure modes that bite

Session tables, debug flow and the sniffer command set

Log analysis with FortiAnalyzer and fabric logging

Firmware upgrades and the staged approach that avoids an outage

Backup, restore and configuration rollback discipline

M7 — Multi-Device Administration

FortiManager: device registration and the administrative domain

Central versus local policy and the push workflow

Object databases, overrides and avoiding drift between managers

FortiAnalyzer: logging, reporting and alerting at scale

Staged deployment and change windows across a device estate

Auditing who changed what, when and from where

M8 — Capstone: Practice Exams and Lab Build

A full timed practice exam under real conditions

Scoring by objective to isolate weak configuration areas

Lab build: multi-zone policy, routing, VPN and UTM profiles

A deliberate fault injected and diagnosed to a stated root cause

Exam-day logistics: time budget and review passes

A two-week revision plan built from the objective scores

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