Hands-on certification labs
Browser-based labs where you edit a policy, routing table, query or rule set and test the stated technical outcomes in a simulated workspace.
ACE — Google Associate Cloud Engineer
Grant the export job what it needs and nothing else
Structured configuration · medium · 12 min
ACEGet the orders rollout unstuck
Artifact workspace · medium · 18 min
ACEKeep the reporting database off the public internet
Artifact workspace · medium · 20 min
AIF-C01 — AWS Certified AI Practitioner
Harden the support-ticket prompt
Structured configuration · medium · 12 min
AIF-C01Keep procurement answers on current policy
Structured configuration · medium · 10 min
AZ-104 — Microsoft Certified: Azure Administrator Associate
Give finance a seven-day recovery window
Structured configuration · hard · 15 min
AZ-104Repair private DNS across the two VNets
Artifact workspace · medium · 15 min
AZ-104Keep payroll storage to the worker subnet
Structured configuration · medium · 15 min
AZ-104Make the billing VM alert reach somebody
Structured configuration · hard · 15 min
AZ-104Limit production support to safe VM operations
Structured configuration · medium · 15 min
AZ-104Make the checkout fleet come back down
Structured configuration · hard · 20 min
AZ-900 — Microsoft Certified: Azure Fundamentals
CBAP — Certified Business Analysis Professional
CCNA — Cisco Certified Network Associate (CCNA)
Stop rogue DHCP at the access edge
Artifact workspace · medium · 14 min
CCNARestore resilient routing to HQ
Artifact workspace · medium · 12 min
CCNAKeep the branch gateway on the healthy uplink
Artifact workspace · medium · 12 min
CCNABundle the access-switch uplinks
Artifact workspace · medium · 18 min
CISSP — Certified Information Systems Security Professional
Repair an employee's grants and cached service access
Structured configuration · medium · 30 min
CKA — Certified Kubernetes Administrator
Repair Helm values through the rendered resource graph
Artifact workspace · hard · 35 min
CKARecover a service account's exact read access
Artifact workspace · medium · 35 min
CLF-C02 — AWS Certified Cloud Practitioner
CS0-004 — CompTIA Cybersecurity Analyst (CySA+)
DEA-C01 — AWS Certified Data Engineer – Associate
Turn clickstream events into user sessions
SQL query · hard · 20 min
DEA-C01Keep the nightly transform on local time
Artifact workspace · medium · 18 min
DEA-C01Find the orders whose totals do not add up
SQL query · medium · 14 min
DVA-C02 — AWS Certified Developer – Associate
Keep a flaky order from killing the workflow
Structured configuration · medium · 16 min
DVA-C02Retry only the failed SQS records
Artifact workspace · medium · 12 min
N10-009 — CompTIA Network+ (N10-009)
Restore split-view DNS without breaking public names
Structured configuration · hard · 35 min
N10-009Repair a branch address and DHCP plan
Structured configuration · medium · 25 min
PL-300 — Microsoft Certified: Power BI Data Analyst Associate
PMP — Project Management Professional
PSM-I — Professional Scrum Master I
SAA-C03 — AWS Certified Solutions Architect – Associate
Give a private subnet access to Amazon S3
Artifact workspace · medium · 18 min
SAA-C03Keep checkout alive through an AZ failure
Artifact workspace · medium · 18 min
SAA-C03Make the export bucket pay for itself
Structured configuration · hard · 18 min
SAA-C03Put the media bucket back behind CloudFront
Structured configuration · hard · 16 min
SAA-C03Repair the API subnet return path
Artifact workspace · medium · 16 min
SOA-C03 — AWS Certified CloudOps Engineer - Associate
Roll the API fleet without losing capacity
Artifact workspace · medium · 12 min
SOA-C03Wake on-call before orders stop moving
Artifact workspace · medium · 18 min
SOA-C03Create a safe recovery image before maintenance
Artifact workspace · medium · 18 min
SY0-701 — CompTIA Security+
Make the segmentation rule that was already written actually run
Rule table · medium · 15 min
SY0-701Shut the password spray out of the jump host
Artifact workspace · easy · 12 min
SY0-701Harden the payments TLS boundary
Artifact workspace · medium · 15 min