IT Certification Hub
What each certification actually covers, who it's realistically for, and how to prepare — based on the certifying body's own stated scope. No exam dumps, no fabricated pass guarantees.
Linux
RHCSA
AssociateRed Hat
An entry-to-intermediate Linux administration certification focused on genuinely being able to configure and troubleshoot a RHEL system, not recognize terminology.
RHCE
ProfessionalRed Hat
A more advanced Red Hat certification that requires holding RHCSA first (or passing it as a prerequisite alongside), with a strong focus on automating system administration tasks using Ansible.
Kubernetes
CKA
AssociateCloud Native Computing Foundation (CNCF) / Linux Foundation
Validates the ability to administer a Kubernetes cluster — installation, configuration, troubleshooting, and day-to-day cluster operations.
CKAD
AssociateCloud Native Computing Foundation (CNCF) / Linux Foundation
Validates the ability to design, build, and deploy applications for Kubernetes, from a developer's perspective rather than a cluster administrator's.
CKS
ExpertCloud Native Computing Foundation (CNCF) / Linux Foundation
An advanced, security-focused Kubernetes certification requiring CKA as a prerequisite, covering hardening a cluster and its workloads against real attack scenarios.
Cloud (Azure & AWS)
AZ-900
FoundationalMicrosoft
An entry-level, vendor-neutral-in-spirit certification covering core cloud concepts and how they map to Azure specifically — no hands-on lab component.
AZ-104
AssociateMicrosoft
A role-based certification for administrators who manage Azure resources day to day — identity, storage, compute, and networking.
AZ-500
AssociateMicrosoft
A security-focused Azure certification covering identity/access, platform protection, security operations, and data/application security within Azure.
AWS Cloud Practitioner
FoundationalAmazon Web Services
AWS's entry-level, foundational certification covering core AWS concepts, services, and billing — the AWS equivalent of Azure's AZ-900 in scope and audience.
AWS SAA
AssociateAmazon Web Services
One of the most widely recognized cloud certifications, focused on designing well-architected, cost-effective, resilient solutions on AWS.
Security & Networking
Security+
FoundationalCompTIA
A widely recognized, vendor-neutral entry point into cybersecurity, covering security fundamentals across networks, threats, cryptography, and governance.
Network+
FoundationalCompTIA
A vendor-neutral networking fundamentals certification, commonly paired with or taken before Security+.