Tabellab
Catalog

IT & Tech courses

Every course ends with a final exam and a verifiable certificate. The first lesson is always free.

IT & Tech

The numbers behind IT: security risk, cloud costs, uptime and service levels.

Intermediate

Cybersecurity Risk Quantification in Excel

Put dollars on cyber risk: SLE, ARO and ALE, control cost-benefit, risk matrix and register, PERT loss ranges, vulnerability SLAs, phishing and incident metrics, on live auto-graded spreadsheets.

8 lessons · 8 labs · 1.9 h

Intermediate

Cloud Cost Management (FinOps) in Excel

Break down the cloud bill, track unit costs, find the commitment break-even, rightsize, tier storage, allocate shared costs, forecast to month end and catch cost spikes, on live auto-graded spreadsheets.

8 lessons · 8 labs · 1.9 h

Intermediate

IT Service & Reliability Metrics

Availability and the nines, MTBF/MTTR, SLA compliance, backlog and FCR, error budgets, capacity planning, change success and service desk staffing: 8 labs on one IT team's data.

8 lessons · 8 labs · 1.9 h