January 2026
Intermediate to advanced
254 pages
6h 48m
English
Content preview from AWS Certified Cloud Practitioner (CLF-C02) Study Guide
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Appendix B. Answer Key
Chapter 2 Answer Key
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C: The Free Tier helps users try AWS without incurring costs—within usage limits.
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C: The AWS root user has full access and poses a security risk if compromised.
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A: IAM is used to manage users and permissions.
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A: EC2 provides scalable virtual machines in the cloud.
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C: AWS CloudTrail provides API activity logs.
Chapter 3 Answer Key
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B: A private cloud refers to an organization hosting everything in its own data center, sometimes called on-premises when using virtualization and cloud-style management.
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C: Scalability, or whether workloads spike seasonally or need rapid scaling, is a key technical and business need when choosing a model.
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B: With SaaS, no setup or maintenance is required, and it’s always the latest version.
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D: Hybrid setups offer flexibility and scalability while maintaining control where you need it, especially useful for legacy systems or when regulations require certain data to stay in-house.
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C: High availability aims for minimal downtime by distributing workloads and adding redundancy.
Chapter 4 Answer Key
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D: The TCO includes reduced hardware, maintenance, and staffing costs.
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B: Repackage is not part of the 6 Rs.
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B: Sustainability promotes energy efficiency and environmental care.
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B. Governance focuses on risk, compliance, and business alignment.
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D: SaaS like Salesforce replaces old tools.
Chapter 5 Answer Key
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D: Governance is about setting and enforcing rules.
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B: The Federal ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.