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Guide for Google Cloud DevOps Engineer

Quiz Google Cloud DevOps Engineer

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Quiz

1/10
[Applying Site Reliability Engineering (SRE) principles to a service]
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?
Select the answer
1 correct answer
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.

Quiz

2/10
[Applying Site Reliability Engineering (SRE) principles to a service]
You need to define SLOs for a high-traffic web application. Customers are currently happy with the
application performance and availability. Based on current measurement, the 90th percentile Of
latency is 160 ms and the 95th
percentile of latency is 300 ms over a 28-day window. What latency SLO should you publish?
Select the answer
1 correct answer
A.
90th percentile - 150 ms95th percentile - 290 ms
B.
90th percentile - 160 ms95th percentile - 300 ms
C.
90th percentile - 190 ms95th percentile - 330 ms
D.
90th percentile - 300 ms95th percentile - 450 ms

Quiz

3/10
[Building and implementing CI/CD pipelines for a service]
You are creating a CI/CD pipeline in Cloud Build to build an application container image The
application code is stored in GitHub Your company requires thai production image builds are only run
against the main branch and that the change control team approves all pushes to the main branch
You want the image build to be as automated as possible What should you do?
Choose 2 answers
Select the answer
2 correct answers
A.
Create a trigger on the Cloud Build job Set the repository event setting to Pull request'
B.
Add the owners file to the Included files filter on the trigger
C.
Create a trigger on the Cloud Build job Set the repository event setting to Push to a branch
D.
Configure a branch protection rule for the main branch on the repository
E.
Enable the Approval option on the trigger

Quiz

4/10
[Applying Site Reliability Engineering (SRE) principles to a service]
You need to define Service Level Objectives (SLOs) for a high-traffic multi-region web application.
Customers expect the application to always be available and have fast response times. Customers are
currently happy with the application performance and availability. Based on current measurement,
you observe that the 90th percentile of latency is 120ms and the 95th percentile of latency is 275ms
over a 28-day window. What latency SLO would you recommend to the team to publish?
Select the answer
1 correct answer
A.
90th percentile – 100ms95th percentile – 250ms
B.
90th percentile – 120ms95th percentile – 275ms
C.
90th percentile – 150ms95th percentile – 300ms
D.
90th percentile – 250ms95th percentile – 400ms

Quiz

5/10
[Building and implementing service monitoring strategies]
Your company runs services by using multiple globally distributed Google Kubernetes Engine (GKE)
clusters Your operations team has set up workload monitoring that uses Prometheus-based tooling
for metrics alerts: and generating dashboards This setup does not provide a method to view metrics
globally across all clusters You need to implement a scalable solution to support global Prometheus
querying and minimize management overhead What should you do?
Select the answer
1 correct answer
A.
Configure Prometheus cross-service federation for centralized data access
B.
Configure workload metrics within Cloud Operations for GKE
C.
Configure Prometheus hierarchical federation for centralized data access
D.
Configure Google Cloud Managed Service for Prometheus

Quiz

6/10
[Building and implementing service monitoring strategies]
You want to share a Cloud Monitoring custom dashboard with a partner team What should you do?
Select the answer
1 correct answer
A.
Provide the partner team with the dashboard URL to enable the partner team to create a copy of the dashboard
B.
Export the metrics to BigQuery Use Looker Studio to create a dashboard, and share the dashboard with the partner team
C.
Copy the Monitoring Query Language (MQL) query from the dashboard; and send the MQL query to the partner team
D.
Download the JSON definition of the dashboard, and send the JSON file to the partner team

Quiz

7/10
[Building and implementing CI/CD pipelines for a service]
You have an application that runs in Google Kubernetes Engine (GKE). The application consists of
several microservices that are deployed to GKE by using Deployments and Services One of the
microservices is experiencing an issue where a Pod returns 403 errors after the Pod has been running
for more than five hours Your development team is working on a solution but the issue will not be
resolved for a month You need to ensure continued operations until the microservice is fixed You
want to follow Google-recommended practices and use the fewest number of steps What should you
do?
Select the answer
1 correct answer
A.
Create a cron job to terminate any Pods that have been running for more than five hours
B.
Add a HTTP liveness probe to the microservice s deployment
C.
Monitor the Pods and terminate any Pods that have been running for more than five hours
D.
Configure an alert to notify you whenever a Pod returns 403 errors

Quiz

8/10
[Building and implementing CI/CD pipelines for a service]
You are building and deploying a microservice on Cloud Run for your organization Your service is used
by many applications internally You are deploying a new release, and you need to test the new
version extensively in the staging and production environments You must minimize user and
developer impact. What should you do?
Select the answer
1 correct answer
A.
Deploy the new version of the service to the staging environment Split the traffic, and allow 1 % of traffic through to the latest version Test the latest version If the test passes gradually roll out the latest version to the staging and production environments
B.
Deploy the new version of the service to the staging environment Split the traffic, and allow 50% of traffic through to the latest version Test the latest version If the test passes, send all traffic to the latest version Repeat for the production environment
C.
Deploy the new version of the service to the staging environment with a new-release tag without serving traffic Test the new-release version If the test passes; gradually roll out this tagged version Repeat for the production environment
D.
Deploy a new environment with the green tag to use as the staging environment Deploy the new version of the service to the green environment and test the new version If the tests pass, send all traffic to the green environment and delete the existing staging environment Repeat for the production environment

Quiz

9/10
[Optimizing service performance]
Your company processes IOT data at scale by using Pub/Sub, App Engine standard environment, and
an application written in GO. You noticed that the performance inconsistently degrades at peak load.
You could not reproduce this issue on your workstation. You need to continuously monitor the
application in production to identify slow paths in the code. You want to minimize performance
impact and management overhead. What should you do?
Select the answer
1 correct answer
A.
Install a continuous profiling tool into Compute Engine. Configure the application to send profiling data to the tool.
B.
Periodically run the go tool pprof command against the application instance. Analyze the results by using flame graphs.
C.
Configure Cloud Profiler, and initialize the [email protected]/go/profiler library in the application.
D.
Use Cloud Monitoring to assess the App Engine CPU utilization metric.

Quiz

10/10
[Building and implementing CI/CD pipelines for a service]
Your company uses a CI/CD pipeline with Cloud Build and Artifact Registry to deploy container
images to Google Kubernetes Engine (GKE). Images are tagged with the latest commit hash and
promoted to production after successful testing in the development and pre-production
environments. A recent production deployment caused the application to fail due to untested
integration functionality, requiring a disruptive manual rollback. During the rollback, you noticed
many old and unused container images accumulating in Artifact Registry. You need to improve rollout
and rollback management and clean up the old container images. What should you do?
Select the answer
1 correct answer
A.
Adopt Cloud Deploy for managing deployments, and schedule a Cloud Build job for container image cleanup.
B.
Deploy Cloud Service Mesh across the GKE clusters, and manually clean up Artifact Registry images.
C.
Adopt Cloud Deploy for managing deployments, and implement an Artifact Registry cleanup policy.
D.
Set up a rollback pipeline in Cloud Build, and implement an Artifact Registry cleanup policy.
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Info quiz:

  • Quiz name:Google Cloud DevOps Engineer
  • Total number of questions:194
  • Number of questions for the test:50
  • Pass score:80%

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