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Level 5 quiz — Security, Maintenance & Specializations
Quiz — Level 5 · Security, Maintenance & Specializations
5 questions, exactly one correct answer per question.
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1. Which principle sums up a good security approach?
One barrier is enough
Defense in depth: several layers, because no single measure is infallible
Ignore updates
Open everything
You reduce the attack surface and stack protections (updates, firewall, antivirus, MFA, backups). Security is a continuous process.
2. What distinguishes RPO from RTO in a recovery plan?
Nothing
RPO = data you accept losing; RTO = acceptable time to get everything running again
They're software
Server brands
RPO drives backup frequency; RTO drives recovery resources. Set them by the criticality of each activity.
3. Why is an IT inventory so important?
It isn't
You can only secure, license, support and plan for what you know you have
To slow work down
To watch people
A current inventory underpins security, licence compliance, faster support and planning. You manage well only what you know.
4. Why is IT documentation vital?
It isn't
For continuity (avoid the 'bus factor'), efficiency, recovery and onboarding
To slow work down
To monitor people
Simple, current docs beat exhaustive, obsolete ones. Document while you do it, not 'later'.
5. What is the most durable skill in IT?
Memorizing everything
Knowing how to find, understand and keep learning continuously
Collecting certifications
Never changing tools
Technology never stops changing. Specializing (network, cloud, security) plus continuous learning is what makes a career last.
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