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AWS SAA
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Q6 of 8 Design Secure Applications Medium
A developer accidentally committed AWS access keys to a public GitHub repository. What should be done FIRST?
A
Delete the public repository to purge the exposed keys from history.
B
Revoke and rotate the exposed access keys immediately.
C
Change the IAM user's console password and enable MFA.
D
Open a GitHub Support ticket to remove the leaked commit.
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AI Explanation
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Why B is correct — the keys are already public, so rotating them revokes that access instantly.
Why the others fail
A — deleting the repo doesn't invalidate leaked keys.
C — a new password won't stop programmatic key use.
D — support is too slow; the keys are compromised now.
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CompTIA Security+ (SY0-701)Security ArchitectureMedium

A company takes a full backup every Sunday and differential backups every weekday. If a system failure occurs on Thursday afternoon, how many backup sets are needed to fully restore the system?

aTwo backup sets — the Sunday full backup and the most recent differential backup (Thursday’s), which contains all changes since Sunday.
bFive backup sets — the Sunday full backup plus all differential backups (Monday, Tuesday, Wednesday, Thursday) must be applied in sequence.
cOne backup set — the most recent differential backup contains all data including a complete system state.
dSix backup sets — the full backup plus five daily incrementals since the last full backup.
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Top Certifications

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AWS · Foundational
Cloud Practitioner
CLF-C02 · The best entry point to AWS. Core cloud concepts, security, pricing, and the AWS global infrastructure.
500
Questions
4
Domains
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Microsoft · Associate
Azure Administrator
AZ-104 · Manage Azure subscriptions, implement storage solutions, deploy and manage virtual machines at scale.
500
Questions
5
Domains
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ISC² · Expert
CISSP
The gold-standard security certification. Eight domains spanning security & risk management, architecture, operations, and software security.
500
Questions
8
Domains
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The IT certification industry has a problem. Most practice platforms recycle outdated questions, provide no real explanations, and leave you guessing which domains to focus on.

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