CompTIA Network+ in Johannesburg
South Africa · Africa
What is CompTIA Network+?
CompTIA Network+ (exam code N10-009) is a vendor-neutral certification that validates your ability to design, configure, manage, and troubleshoot wired and wireless networks. It covers everything from network architecture and security to cloud connectivity and network operations. In Johannesburg, where demand for skilled network technicians is rising sharply across finance, mining, telecoms, and public sector IT, Network+ gives employers a reliable benchmark that you can hit the ground running. The certification is globally recognised, which matters in a city that hosts the African headquarters of numerous multinational corporations. Whether you're moving out of a helpdesk role or formalising skills you've already built on the job, Network+ is the logical first rung.
Exam details
- Exam cost
- $358 USD
- Duration
- 90 min
- Passing score
- 720
- Renewal
- Every 3 yrs
Prerequisites: CompTIA A+ or 9-12 months networking experience recommended
Is CompTIA Network+ worth it in Johannesburg?
At an exam cost of $358 USD, CompTIA Network+ is a meaningful but manageable investment for Johannesburg-based professionals. With the average IT salary in the city sitting around $32,000 per year, a documented $6,000 annual salary uplift represents roughly an 18% pay increase — and most candidates recoup the exam fee within the first two months of a new role. Johannesburg's IT job market is competitive, and hiring managers increasingly filter CVs by recognised certifications. Network+ also renews every three years, keeping your skills current without constant re-examination. Factor in that the cert satisfies prerequisites for higher-level qualifications like Security+ and CCNA, and the long-term ROI compounds well beyond that initial salary jump.
12-week study plan
Weeks 1–4
Network Fundamentals and Cabling
- Master the OSI and TCP/IP models — understand each layer's function and be able to map real protocols to each layer
- Study common network topologies, infrastructure components (switches, routers, access points), and Ethernet standards
- Practise subnetting daily using binary conversion; aim to calculate CIDR notation and usable hosts without a calculator
Weeks 5–8
Routing, Switching, and Network Services
- Study static and dynamic routing protocols (RIP, OSPF, BGP) and understand when each is used in enterprise environments
- Configure VLANs, inter-VLAN routing, and spanning tree protocol concepts using free tools like Cisco Packet Tracer
- Cover DNS, DHCP, NTP, and SNMP thoroughly — know their ports, purposes, and common failure scenarios
Weeks 9–12
Security, Troubleshooting, and Exam Readiness
- Focus on network security topics: firewalls, IDS/IPS, VPNs, AAA, and common attack types like MITM and ARP poisoning
- Work through CompTIA's official troubleshooting methodology and practise applying it to scenario-based practice questions
- Sit at least three full-length timed practice exams; review every wrong answer against the N10-009 exam objectives document
Recommended courses
coursera
CompTIA Network+ Professional Certificate
Professional certificates & degrees
View on Coursera →pluralsight
CompTIA Network+ Learning Path
Tech skills platform — monthly subscription
View on Pluralsight →udemy
CompTIA Network+ Complete Course
by Top-rated instructor
One-time purchase, lifetime access
View on Udemy →Exam tips
- 1.Know your ports cold: the N10-009 exam regularly tests whether you can identify protocols by port number under time pressure — memorise at minimum the top 20 common ports (FTP, SSH, DNS, HTTP, HTTPS, RDP, SNMP, etc.)
- 2.For performance-based questions, read the scenario twice before touching any drag-and-drop or simulation element — misreading the topology or requirements is the most common cause of losing easy marks
- 3.Subnetting questions will appear and they are time-sensitive; practise until you can subnet a /24 into any required block size in under 90 seconds without a calculator
- 4.CompTIA's troubleshooting methodology (identify, establish theory, test, establish plan, implement, verify, document) is explicitly tested — learn the steps in order and apply them to every scenario question as a filter
- 5.The N10-009 version places greater emphasis on cloud networking and network virtualisation than previous versions; make sure you understand concepts like SDN, NFV, VPC, and how on-premises networks connect to cloud environments