IT Certification Blog & Resources
Expert articles on CCIE, CCNP, AWS, Azure & more. Get study tips, exam strategies, and career advice from certified professionals.
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Cat6e isn't a real standard, and most Cat7 sold online isn't compliant either. Real specs, costs and a buying guide for Cat6, Cat6A and Cat7.
The CCIE exam costs $400 for the core exam plus $1,600-$1,900 per lab attempt. Here's every fee Cisco charges, the ones nobody quotes, and three real budgets.
Network automation engineers earn $109K-$128K on average in the US, with senior roles past $160K. Here's the real pay data by experience, skill and city.
Every Splunk certification exam costs $130 USD, every level, same price. Here's what the fee leaves out, what training actually costs, and three ways to pay less.
Proxmox networking runs on three building blocks: bridges, VLANs and bonds. Here's how to segment a flat homelab network, bond NICs for redundancy, and avoid the upgrade bug that locks people out of their own host.
OSPF routes inside your network. BGP routes between networks. Here's every practical difference, with config snippets and a decision framework you can apply today.
AWS exams cost $100 to $300 by level. The real number most people pay is closer to double, once retakes, tax and recerts are counted. Here's every fee, hidden and visible.
To pass OSCP in 2026 you need 70 points in 23 hours 45 minutes, and 40 of those points sit inside a mandatory Active Directory set. Here's the exam format, cost, and a realistic study plan.
Expedited forwarding is the DiffServ PHB for real-time traffic: DSCP 46, strict priority, low delay. Here's how EF works, how it differs from AF, and why it needs policing.
SD-WAN separates your network's control logic from its hardware, giving you centralised management over how traffic moves across your WAN. Here's how it works, what it costs, and the career path.
120 Ansible interview questions with answers built for ansible-core 2.20 and Ansible 13, including the 2.19/2.20 breaking changes nobody else covers.
CCIE Security salary data for 2026: entry to expert-level ranges, pay by country and industry, the gap versus non-certified engineers, and whether the certification is worth the investment.