PLUS-220 Core Security Services (Quick Map)
A quick map of core security services and controls you’ll see in Security+ scenarios.
Quick answers
- Know what each control is for: prevent vs detect vs respond.
- Practice matching scenarios to controls (MFA, EDR, DLP, SIEM, PKI).
- Learn common confusion pairs (SIEM vs EDR, hashing vs encryption).
- Repeat short mini tests until it becomes automatic.
A+ is basically a checklist of real IT support skills: understand the device, isolate the problem, apply the fix safely, and document the outcome.
If you’re new, your fastest wins come from learning consistent troubleshooting steps and the most common Windows and network tools.
Use the mini quiz to see what you already know, then continue in PrepMaster for offline practice packs and explanations to build confidence quickly.
Free Practice Test
10 random questions from the Core IT Skills for CompTIA A+ (220-1201 & 220-1202) bank. Instant feedback.
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Core services by category (high-level)
- Identity & access: IAM/RBAC, MFA, conditional access (concept), least privilege.
- Visibility: logging, SIEM concepts, alerting and correlation.
- Endpoint: EDR vs AV, host hardening, device isolation.
- Data protection: encryption, key management concepts, DLP basics.
- Trust: PKI/certificates, TLS usage, secure communications.
Topics & Skills Covered
- Hardware & devices basics for support
- Windows fundamentals and tools
- Networking basics for troubleshooting
- Security hygiene and incident basics
- Operational procedures & ticketing mindset
Helpful Free Tools
Frequently Asked Questions
What’s the most important skill for A+?
A repeatable troubleshooting process. Many questions are “what is the best next step?”
Do I need real hands-on practice?
It helps a lot. Even basic lab practice plus exam-style questions makes the objectives stick.
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