CompTIA Network+ in London
Foundational networking certification covering infrastructure, operations, security, and troubleshooting.
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 IP addressing and routing protocols to network security and cloud concepts. In London, where financial services, tech scale-ups, and enterprise IT departments compete fiercely for skilled networking staff, Network+ serves as a trusted baseline credential that hiring managers recognise instantly. Whether you're moving up from a helpdesk role or transitioning into infrastructure, Network+ signals that you have the foundational knowledge to operate effectively in a professional network environment — and London employers are willing to pay for it.
At $358 USD for the exam, CompTIA Network+ is one of the most cost-effective certifications available in the London IT market. With average IT salaries sitting around $85,000 per year in London and a documented average salary uplift of $6,000 annually, you're looking at a return on investment that pays for the exam cost many times over within the first month of a new role. London's density of financial institutions, managed service providers, and global tech firms means Network+ holders are consistently in demand. The certification also satisfies renewal requirements for CompTIA A+ holders looking to build a credential stack, making it a logical next step for anyone already working in London's competitive IT sector.
Exam details
Prerequisites: CompTIA A+ or 9-12 months networking experience recommended
12-week study plan
Exam tips
Prioritise subnetting until it's automatic — the N10-009 exam will test your ability to identify correct subnet masks, calculate usable host ranges, and identify network/broadcast addresses quickly under timed conditions
Learn to distinguish between similar-sounding devices and concepts: know the difference between a hub, switch, and router at a functional level, and be precise about when to use a layer 2 vs layer 3 switch in a given scenario
For performance-based questions, read the scenario carefully before touching anything — CompTIA often includes red-herring details, and misreading the requirement is the most common reason candidates lose marks on PBQs
Memorise the CompTIA troubleshooting methodology (identify the problem, establish a theory, test the theory, establish a plan, implement the solution, verify, document) and practice applying it to scenario questions rather than just reciting the steps
Review cloud and virtualisation concepts thoroughly for N10-009 — this exam version places more emphasis on hybrid cloud networking, SD-WAN, and virtual network infrastructure than earlier versions, and these topics are commonly underestimated by candidates focusing only on traditional LAN/WAN content