Interactive Learning Simulations

Hands-on simulations for CompTIA A+ and Network+ certification preparation

CIS 105 — Computer Systems Maintenance
CIS 105 · Week 2
IT Help Desk — PC Hardware Diagnosis
Diagnose and fix broken PCs across 3 real help desk tickets
CompTIA A+ →
CIS 150 — Network Technology
CIS 150 · Week 4
Subnet Calculator Challenge
5 progressive IPv4 subnetting challenges — masks, hosts, VLSM
Network+ →
CIS 150 · Week 6
NOC Help Desk — Network Troubleshooting
Resolve 3 tickets covering DHCP failure, DNS issues, and inter-VLAN routing
Network+ →
CIS 288 — Cloud Computing
CIS 288 · Week 1
Three Landlords Showdown
Match AWS, Azure & GCP services across 8 rounds — build your Cloud Rosetta Stone
Cloud Foundations →
CIS 252 — Managing Network Servers
CIS 252 · Week 2
Sysadmin Ticket Queue
Diagnose and close 4 real server & VM tickets — VMs, cloud networking, CPU contention, RDP
Server Admin →