Professional-Cloud-DevOps-Engineer Google Exam Questions and Free Practice Test

Question 13

Your team of Infrastructure DevOps Engineers is growing, and you are starting to use Terraform to manage infrastructure. You need a way to implement code versioning and to share code with other team members. What should you do?

A. Store the Terraform code in a version-control syste

B. Establish procedures for pushing new versions and merging with the master.

C. Store the Terraform code in a network shared folder with child folders for each version releas

D. Ensure that everyone works on different files.

E. Store the Terraform code in a Cloud Storage bucket using object versionin

F. Give access to the bucket to every team member so they can download the files.

G. Store the Terraform code in a shared Google Drive folder so it syncs automatically to every team member’s compute

H. Organize files with a naming convention that identifies each new version.

Correct Answer:A
https://www.terraform.io/docs/cloud/guides/recommended-practices/part3.3.html

Question 14

Your company experiences bugs, outages, and slowness in its production systems. Developers use the production environment for new feature development and bug fixes. Configuration and experiments are done in the production environment, causing outages for users. Testers use the production environment for load testing, which often slows the production systems. You need to redesign the environment to reduce the number of bugs and outages in production and to enable testers to load test new features. What should you do?

A. Create an automated testing script in production to detect failures as soon as they occur.

B. Create a development environment with smaller server capacity and give access only to developers and testers.

C. Secure the production environment to ensure that developers can't change it and set up one controlled update per year.

D. Create a development environment for writing code and a test environment for configurations, experiments, and load testing.

Correct Answer:D

Question 15

You encountered a major service outage that affected all users of the service for multiple hours. After several hours of incident management, the service returned to normal, and user access was restored. You need to provide an incident summary to relevant stakeholders following the Site Reliability Engineering recommended practices. What should you do first?

A. Call individual stakeholders lo explain what happened.

B. Develop a post-mortem to be distributed to stakeholders.

C. Send the Incident State Document to all the stakeholders.

D. Require the engineer responsible to write an apology email to all stakeholders.

Correct Answer:B

Question 16

You support a popular mobile game application deployed on Google Kubernetes Engine (GKE) across several Google Cloud regions. Each region has multiple Kubernetes clusters. You receive a report that none of the users in a specific region can connect to the application. You want to resolve the incident while following Site Reliability Engineering practices. What should you do first?

A. Reroute the user traffic from the affected region to other regions that don’t report issues.

B. Use Stackdriver Monitoring to check for a spike in CPU or memory usage for the affected region.

C. Add an extra node pool that consists of high memory and high CPU machine type instances to the cluster.

D. Use Stackdriver Logging to filter on the clusters in the affected region, and inspect error messages in the logs.

Correct Answer:A
Google always aims to first stop the impact of an incident, and then find the root cause (unless the root cause just happens to be identified early on).

Question 17

You created a Stackdriver chart for CPU utilization in a dashboard within your workspace project. You want to share the chart with your Site Reliability Engineering (SRE) team only. You want to ensure you follow the principle of least privilege. What should you do?

A. Share the workspace Project ID with the SRE tea

B. Assign the SRE team the Monitoring Viewer IAM role in the workspace project.

C. Share the workspace Project ID with the SRE tea

D. Assign the SRE team the Dashboard Viewer IAM role in the workspace project.

E. Click "Share chart by URL" and provide the URL to the SRE tea

F. Assign the SRE team the Monitoring Viewer IAM role in the workspace project.

G. Click "Share chart by URL" and provide the URL to the SRE tea

H. Assign the SRE team the Dashboard Viewer IAM role in the workspace project.

Correct Answer:C
https://cloud.google.com/monitoring/access-control

Question 18

You support a high-traffic web application with a microservice architecture. The home page of the application displays multiple widgets containing content such as the current weather, stock prices, and news headlines. The main serving thread makes a call to a dedicated microservice for each widget and then lays out the homepage for the user. The microservices occasionally fail; when that happens, the serving thread serves the homepage with some missing content. Users of the application are unhappy if this degraded mode occurs too frequently, but they would rather have some content served instead of no content at all. You want to set a Service Level Objective (SLO) to ensure that the user experience does not degrade too much. What Service Level Indicator {SLI) should you use to measure this?

A. A quality SLI: the ratio of non-degraded responses to total responses

B. An availability SLI: the ratio of healthy microservices to the total number of microservices

C. A freshness SLI: the proportion of widgets that have been updated within the last 10 minutes

D. A latency SLI: the ratio of microservice calls that complete in under 100 ms to the total number of microservice calls

Correct Answer:B
https://cloud.google.com/blog/products/gcp/available-or-not-that-is-the-question-cre-life-lessons

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