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Google Cloud Certified - Professional Cloud DevOps Engineer Exam Questions and Answers

Question 37

You use Spinnaker to deploy your application and have created a canary deployment stage in the pipeline. Your application has an in-memory cache that loads objects at start time. You want to automate the comparison of the canary version against the production version. How should you configure the canary analysis?

Options:

A.

Compare the canary with a new deployment of the current production version.

B.

Compare the canary with a new deployment of the previous production version.

C.

Compare the canary with the existing deployment of the current production version.

D.

Compare the canary with the average performance of a sliding window of previous production versions.

Question 38

Your organization recently adopted a container-based workflow for application development. Your team develops numerous applications that are deployed continuously through an automated build pipeline to a Kubernetes cluster in the production environment. The security auditor is concerned that developers or operators could circumvent automated testing and push code changes to production without approval. What should you do to enforce approvals?

Options:

A.

Configure the build system with protected branches that require pull request approval.

B.

Use an Admission Controller to verify that incoming requests originate from approved sources.

C.

Leverage Kubernetes Role-Based Access Control (RBAC) to restrict access to only approved users.

D.

Enable binary authorization inside the Kubernetes cluster and configure the build pipeline as an attestor.

Question 39

Your organization wants to increase the availability target of an application from 99 9% to 99 99% for an investment of $2 000 The application's current revenue is S1,000,000 You need to determine whether the increase in availability is worth the investment for a single year of usage What should you do?

Options:

A.

Calculate the value of improved availability to be $900, and determine that the increase in availability is not worth the investment

B.

Calculate the value of improved availability to be $1 000 and determine that the increase in availability is not worth the investment

C.

Calculate the value of improved availability to be $1 000 and determine that the increase in availability is worth the investment

D.

Calculate the value of improved availability to be $9,000. and determine that the increase in availability is worth the investment

Question 40

Your company follows Site Reliability Engineering practices. You are the person in charge of Communications for a large, ongoing incident affecting your customer-facing applications. There is still no estimated time for a resolution of the outage. You are receiving emails from internal stakeholders who want updates on the outage, as well as emails from customers who want to know what is happening. You want to efficiently provide updates to everyone affected by the outage. What should you do?

Options:

A.

Focus on responding to internal stakeholders at least every 30 minutes. Commit to "next update" times.

B.

Provide periodic updates to all stakeholders in a timely manner. Commit to a "next update" time in all communications.

C.

Delegate the responding to internal stakeholder emails to another member of the Incident Response Team. Focus on providing responses directly to customers.

D.

Provide all internal stakeholder emails to the Incident Commander, and allow them to manage internal communications. Focus on providing responses directly to customers.