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CompTIA Network+ (N10-008) Exam Overview
Latest Version: N10-008 (launched in Sept 2021, valid for ~3 years)

Exam Code: N10-008

Recommended Experience: CompTIA A+ and 9–12 months of networking experience

Exam Duration: 90 minutes

Number of Questions: Up to 90

Question Types: Multiple Choice (single and multiple response), Drag and Drop, and Performance-Based Questions (PBQs)

Passing Score: 720 (on a scale of 100–900)

Cost: ~$358 USD (varies by location)

Certification Validity: 3 years (can be renewed via CE)

📚 Major Domains and Exam Objectives
CompTIA Network+ N10-008 is divided into 5 domains:

1. Networking Fundamentals – 24%
Key topics:

OSI model & TCP/IP

IPv4 & IPv6 addressing and subnetting

Ports and protocols (DNS, HTTP, FTP, etc.)

Cabling types and connectors

Network topologies and technologies

Wireless standards and encryption

2. Network Implementations – 19%
Key topics:

Network devices (switches, routers, firewalls, etc.)

Switching and routing concepts

VLANs, trunking, and inter-VLAN routing

WAN technologies (MPLS, Metro Ethernet, etc.)

Wireless architectures (SSID, controllers, AP types)

Network virtualization and SDN basics

3. Network Operations – 16%
Key topics:

Monitoring and optimization tools (SNMP, syslog, NetFlow)

Configuration management (documentation, diagrams)

Network segmentation and performance metrics

High availability, redundancy, and disaster recovery

Policies and procedures (change management, backups)

4. Network Security – 19%
Key topics:

Network security devices and applications (firewalls, IDS/IPS)

Authentication methods (RADIUS, TACACS+, MFA)

VPNs, remote access security

Network hardening (patching, disabling services)

Social engineering, malware, and other threats

Physical security controls

5. Network Troubleshooting – 22%
Key topics:

Common network problems (IP conflicts, misconfigured DNS/DHCP)

Troubleshooting methodology (identify, test, verify)

Network troubleshooting tools (ping, traceroute, Wireshark, etc.)

Wireless and cable issues (interference, attenuation, open/shorts)

Performance issues (jitter, latency, bandwidth)

📌 Study Resources
Official CompTIA Network+ Study Guide

Professor Messer (free video series on YouTube)

Mike Meyers’ Network+ All-in-One Book

CompTIA CertMaster Learn & Labs

Practice Exams (ExamCram, Boson, etc.)

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