LFCA · Question #9
LFCA Question #9: Real Exam Question with Answer & Explanation
The correct answer is D: Implement firewall rules, authentication, authorization, and encrypted protocols.. To prevent unauthorized access to cloud instances and services, essential measures include implementing firewall rules, robust authentication and authorization mechanisms, and using encrypted communication protocols.
Question
Which measures can be taken to prevent unauthorized access to cloud instances and services?
Options
- AUse multi-factor authentication, implement firewall rules, and back up data off-site.
- BImplement block-chain tokens, use encrypted protocols, and encrypt the data on storage systems.
- CReplicate data to another datacenter, use multi-factor authentication, and encrypt data on storage
- DImplement firewall rules, authentication, authorization, and encrypted protocols.
Explanation
To prevent unauthorized access to cloud instances and services, essential measures include implementing firewall rules, robust authentication and authorization mechanisms, and using encrypted communication protocols.
Common mistakes.
- A. Backing up data off-site is a disaster recovery measure, not primarily a preventative measure against unauthorized access.
- B. Block-chain tokens are not a standard or primary measure for preventing unauthorized access to cloud instances and services.
- C. Replicating data to another datacenter is a business continuity/disaster recovery strategy, not a direct measure to prevent unauthorized access to the instances and services themselves.
Concept tested. Cloud security best practices (access control)
Reference. https://learn.microsoft.com/en-us/azure/security/fundamentals/identity-management-overview
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