Deliver exams reliably, whether your students are in the lab or at home. With Addmen’s dual‑mode Computer‑Based Testing (CBT) system, you get flexible deployment options for institutions seeking both offline (lab-based) and online (internet/cloud-based) testing.
| Deployment Model | How It Works | Best For |
| Static IP / Single Instance | Host CBT software on a single server inside your lab. Assign a static public IP so the same server is accessible both over the institution intranet (for lab tests) and externally via Website/Internet. | Institutions looking for minimal cost, single license usage with both online & lab access. |
| Dual Instance Model | Maintain two instances: one cloud/online server and one offline lab server. Tests, candidate data, dashboards are shared or synced between them. Both servers may have separate licensing or sharing depending on configuration. | Institutions with higher scale demands, needing reliable online access for remote users plus robust offline lab testing. |
| Criteria | Static IP Single Instance | Dual Instance (Cloud + Lab) |
| Licensing | 1 License, same server | May require 2 licenses if separate servers in cloud & lab |
| Costs | Lower hosting / maintenance cost | Higher due to separate hosting + syncing efforts |
| Resilience to Internet Failures | Less resilient for remote users | Better; lab instance continues even if cloud issues come up |
| Setup Complexity | Easier setup (but requires static IP + stable internet) | Slightly more complex: syncing, managing two instances |
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