Week 11— Operating Systems · Security · Software Troubleshooting · Operational Procedures
24 days- Study →
Operating Systems
Domain 3 (Operating Systems) covers Windows 10/11 installation, configuration, and troubleshooting, plus macOS and Linux basics. Questions are scenario-based: you get a symptom, then must pick the right tool, command, or console. Expect boot failures, performance complaints, and OS-recovery tasks rather than pure recall.
📅 Days 72–77🎯 ~1 questions/day⚖ 28% of exam- ✓Rebuilding BCD with bootrec /rebuildbcd and bcdedit from Windows Recovery Environment
- ✓Using Task Manager, Resource Monitor, and perfmon to diagnose memory leaks and slow sign-in
- ✓Windows 11 startup repair, system restore, and reset this PC recovery options
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Security
Domain 4 (Security) covers physical and logical security for Windows endpoints and networks: malware types, social engineering, wireless and authentication protocols, hardening, and data destruction. Questions are scenario-based, asking you to diagnose a symptom or select the control that best fits a stated business or compliance requirement.
📅 Days 72–77🎯 ~1 questions/day⚖ 28% of exam- ✓Malware identification and removal using Windows Defender, Task Manager, and msconfig
- ✓Wireless security protocols including WPA2/WPA3, RADIUS, and 802.1X authentication
- ✓Encryption and access controls such as BitLocker, EFS, NTFS permissions, and MFA
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Software Troubleshooting
Software Troubleshooting (23% of Core 2) covers diagnosing Windows, mobile, and security-related failures: boot problems, blue screens, malware, profile corruption, and application crashes. Questions are scenario-based — a symptom is described, and you pick the best diagnostic step, tool, or fix, usually in Windows 10/11, macOS, Linux, or mobile OS contexts.
📅 Days 72–77🎯 ~1 questions/day⚖ 23% of exam- ✓Using Safe Mode, msconfig, and Event Viewer to isolate boot and driver failures
- ✓Repairing corrupt user profiles via Registry ProfileList and User Profile Service
- ✓Removing malware with Windows Defender, MSConfig, and System Restore rollback
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Operational Procedures
Operational Procedures covers the people-and-process side of IT: safety, environmental controls, documentation, change management, backups, and secure data disposal. On 220-1202 it is tested through scenario questions that ask you to pick the correct first step, the right destruction method, or the proper safety precaution, so you must know both the procedure and the order in which it is performed.
📅 Days 72–77🎯 ~1 questions/day⚖ 21% of exam- ✓Use ESD straps, antistatic mats, and proper power-down before touching internal components.
- ✓Follow change management: document, get approval, notify users, and have a rollback plan.
- ✓Apply data destruction methods such as physical shredding, degaussing, and secure wipe.