Secure CBT Centre Infrastructure

INFRASTRUCTURE 2020 · Infrastructure Lead

Infrastructure · Security

Overview

Designed and operated resilient computer-based testing infrastructure — network isolation, endpoint hardening and operational readiness for high-stakes examinations.

The Challenge

High-stakes computer-based examinations demand infrastructure that cannot fail mid-exam.

Constraints

High-stakes examinationsZero tolerance for mid-exam failureIsolated exam networkPeak concurrencyLimited maintenance windows

My Role

Infrastructure Lead — I owned the technical delivery, architecture decisions, implementation phases and operational handover for this engagement.

Measurable Outcome

Supported 250K+ scheduled exam sessions with resilient power, network and access controls.

A ARCHITECTURE

                            Internet
                ↓                            Firewall
                ↓                            Exam VLAN
                ↓                            Access Layer
                ↓                            Endpoint Hardening
                ↓                            Candidates / Supervisors
                                    

B SOLUTION

Designed and operated resilient computer-based testing infrastructure — network isolation, endpoint hardening and operational readiness for high-stakes examinations.

Technology

CiscoLinuxVMwareWireshark

Security Considerations

Network isolation
Endpoint hardening
Access control
Session monitoring
Backup & recovery

C IMPLEMENTATION

Phase 1 — Requirement baseline Phase 2 — Isolation design & lab Phase 3 — Pilot exam sessions Phase 4 — Full-scale readiness Phase 5 — Operational runbooks

D RESULTS

Supported 250K+ scheduled exam sessions with resilient power, network and access controls.

MEASURABLE OUTCOME

2020

DELIVERED

TECHNOLOGIES

E WHAT I LEARNED

Exam infrastructure is designed for the peak, not the average — isolation, resilience and operational readiness turn a possible failure into a non-event.

F GALLERY

Working on a similar project?

Discuss a Similar Project

All Projects Next: Teaching Practice Posting Platform