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[Hardware] Exam DevOps-SRE Review, Valid DevOps-SRE Test Online

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【Hardware】 Exam DevOps-SRE Review, Valid DevOps-SRE Test Online

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Peoplecert PeopleCert DevOps Site Reliability Engineer (SRE) Sample Questions (Q78-Q83):NEW QUESTION # 78
Which of the following BEST describes an advantage of a container-based structure?
  • A. The portability created by containers enables software to run independently of the host operating system
  • B. The lightweight nature of containers requires fewer developers to actually create the software code
  • C. The security of applications in containers is simplified because they share the security of the host system
  • D. Software runs much more efficiently in containers because of the ability to run on virtual machines
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Containers provide a major advantage that aligns with SRE: portability and environment consistency. The SRE Workbook describes containers as: "lightweight, portable units that encapsulate applications and dependencies, ensuring consistent behavior across environments." This independence from the host OS environment enables predictable deployments and simplifies automation, scaling, and orchestration- especially when used with Kubernetes.
Option A captures this exact benefit: portability and independence from the host OS.
Option B is incorrect-containers do not reduce the number of developers required.
Option C incorrectly claims that efficiency comes from virtual machines; containers are typically more efficient because they avoid VM overhead, not leverage it.
Option D is incorrect-containers do not "inherit" security automatically; in fact, they require additional security controls.
Thus, A is the correct answer.
References:
The Site Reliability Workbook, Sections on containers, Docker, and Kubernetes.
Site Reliability Engineering, containerization and orchestration discussions.

NEW QUESTION # 79
An error budget policy is BEST described as being designed to do which of the following?
  • A. Decide when and how to intervene
  • B. Shift the locus toward more innovation
  • C. Prevent introduction of significant bugs
  • D. Send alerts when error budget is at half
Answer: A

NEW QUESTION # 80
Which of me following BEST describes an advantage of a container-based structure?
  • A. The portability created by containers enables software to run independently of the host operating system
  • B. The lightweight nature of containers requires fewer developers to actually create the software code
  • C. Software runs much more efficiently in containers because of the* ability to run on virtual machines
  • D. The security of applications in containers is simplified because they share the security of the host system
Answer: A

NEW QUESTION # 81
When applied to service levels, the principle of decreasing marginal productivity can be represented in three stages. Which of the following is NOT one of these stages?
  • A. Negative returns
  • B. Diminishing returns
  • C. Increasing returns
  • D. Possible returns
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
SRE applies economic principles, including diminishing marginal returns, to reliability engineering. As per the SRE Book: "Improving reliability becomes more expensive as the target approaches 100%, moving from increasing returns, to diminishing returns, and eventually negative returns." (SRE Book - SLO Economics).
This framework helps explain why striving for 100% availability is impractical and cost-ineffective.
The three recognized stages are:
* Increasing returns - early improvements are inexpensive and highly impactful
* Diminishing returns - costs rise while benefits shrink
* Negative returns - achieving additional "nines" may reduce value due to slowed innovation
"ossible returns" is not part of this model.
Thus, D is the correct answer.
References:
Site Reliability Engineering, Chapter: "Service Level Objectives."

NEW QUESTION # 82
If SREs own some sections of a service, but not others, then this organizational approach is known as
__________________
  • A. Slice and dice
  • B. Full SRE
  • C. Platform
  • D. Consultant
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The Slice-and-Dice model is an SRE adoption pattern where the SRE team owns specific portions of a service-typically the most critical, complex, or high-risk components-while development teams own the rest.
From the SRE Workbook, Organizational Models section:
"In the slice-and-dice model, SREs take responsibility for particular portions of a service or system rather than owning the entire thing. This works well when parts of the system require stronger reliability engineering than others." This model is used when:
* Services are large or complex
* Only certain components need SRE-level reliability
* Full SRE ownership is not feasible
Why the other options are incorrect:
* A Consultant # SREs advise; they do not own components
* B Full # SRE fully owns the entire service
* D Platform # SRE builds shared reliability tooling, not owning service slices Thus, C. Slice and dice is the correct answer.
References:
SRE Workbook, "SRE Organizational Patterns"
Site Reliability Engineering Book, "Engagement Models"

NEW QUESTION # 83
......
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