Network Security
Beginner Online
Available now
Network+
CompTIAInternationally recognized accreditation body
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Internationally accreditedBy global bodies
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International examOfficially recognized certificate
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Job-market readyIn-demand skills
About the certification
🛡️ Start your professional networking career with CompTIA Network+ (V9) certification
CompTIA Network+ is a basic to intermediate networking certification that focuses on building a comprehensive understanding of network architecture, protocols, security, operation, and troubleshooting in real-world enterprise environments.
Certification content & modules
🌐Networking Concepts — 23%
- The OSI model with all its layers (Physical → Application)
- Network devices: Router, Switch, Firewall, IDS/IPS, Load Balancer, Proxy, NAS, SAN
- Cloud concepts: NFV, VPC, Cloud Gateways, SaaS / IaaS / PaaS
- Protocols and ports: FTP, SSH, DNS, DHCP, HTTP/S, SNMP, RDP and others
- Traffic types: Unicast / Multicast / Broadcast / Anycast
- Transmission modes: Fiber, Coaxial, Wireless, Satellite
- Connector types: RJ45, RJ11, LC, SC, ST, MPO
- Mesh design: Star, Mesh, Hybrid, Spine-Leaf, 3-Tier
- IPv4: Subnetting, CIDR, Private/Public, APIPA, Classes A–E
🔧Network Implementation — 20%
- Routing technologies: OSPF, BGP, EIGRP, Static Routing
- NAT / PAT / VLANs / Subinterfaces
- Switching, STP, MTU, and Jumbo Frames technologies
- Setting up wireless networks: SSID, Channels, Encryption, Access Points
- Physical composition, energy and environmental considerations
📡Network Operations — 19%
- Documentation: Network diagrams, IPAM, Asset Inventory
- Lifecycle management: EOL / EOS / Decommissioning
- Change & Backup Management
- Network monitoring: SNMP, Packet Capture, Logs, NetFlow
- Network services: DHCP, DNS, NTP, SLAAC
- Access management: VPN, SSH, API, Console
🔐Network Security — 14%
- Encryption, PKI, MFA, SSO and IAM
- RADIUS, TACACS+, LDAP, SAML
- Network segmentation: VLANs, OT, IoT, BYOD, SCADA
- Types of attacks: DDoS, ARP Spoofing, DNS Poisoning, Evil Twin
- Security policies: Least Privilege, NAC, ACL, Hardening
- Compliance: GDPR, PCI DSS
🛠️Network Troubleshooting — 24%
- Step-by-step problem-solving methodology
- Cables, ports and signal problems
- Routing, switching and IP configuration problems
- Performance issues: Latency, Packet Loss, Congestion
- Diagnostic tools: Wireshark, CLI tools, Cable Testers, Wi-Fi analyzers
👨💻Who is this certificate for?
- Network Technicians
- System Administrators
- SOC Analysts
- IT Support Engineers
- Those wishing to enter the field of networks and cybersecurity
What you'll learn
- Network models and protocols
- Connection and configuration
- Network Security
- Troubleshooting
Quick details
Exam codeN10-009
LevelBeginner
Delivery MethodOnline
Official certificate information
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Exam duration
90 minutes
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Exam retake
There is no waiting between the first and second attempt; From the third attempt onwards, you must wait at least 14 days between each attempt (official CompTIA policy for retakes, with separate fees for each attempt)
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Certificate validity
3 years (renewable via the CE Continuing Education Programme)
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