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Guide for Google Cloud Certified - Professional Cloud DevOps Engineer Exam

Quiz Google Cloud Certified - Professional Cloud DevOps Engineer Exam

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/ 10

Quiz

1/10
You manage an application that is writing logs to Stackdriver Logging. You need to give some team
members the ability to export logs. What should you do?
Select the answer
1 correct answer
A.
Grant the team members the IAM role of logging.configWriter on Cloud IAM.
B.
Configure Access Context Manager to allow only these members to export logs.
C.
Create and grant a custom IAM role with the permissions logging.sinks.list and logging.sink.get.
D.
Create an Organizational Policy in Cloud IAM to allow only these members to create log exports.

Quiz

2/10
You support the backend of a mobile phone game that runs on a Google Kubernetes Engine (GKE)
cluster. The application is serving HTTP requests from users. You need to implement a solution that
will reduce the network cost. What should you do?
Select the answer
1 correct answer
A.
Configure the VPC as a Shared VPC Host project.
B.
Configure your network services on the Standard Tier.
C.
Configure your Kubernetes cluster as a Private Cluster.
D.
Configure a Google Cloud HTTP Load Balancer as Ingress.

Quiz

3/10
Your team has recently deployed an NGINX-based application into Google Kubernetes Engine (GKE)
and has exposed it to the public via an HTTP Google Cloud Load Balancer (GCLB) ingress. You want to
scale the deployment of the application's frontend using an appropriate Service Level Indicator (SLI).
What should you do?
Select the answer
1 correct answer
A.
Configure the horizontal pod autoscaler to use the average response time from the Liveness and
Readiness probes.
B.
Configure the vertical pod autoscaler in GKE and enable the cluster autoscaler to scale the cluster
as pods expand.
C.
Install the Stackdriver custom metrics adapter and configure a horizontal pod autoscaler to use the
number of requests provided by the GCLB.
D.
Expose the NGINX stats endpoint and configure the horizontal pod autoscaler to use the request
metrics exposed by the NGINX deployment.

Quiz

4/10
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?
Select the answer
1 correct answer
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.

Quiz

5/10
Your company follows Site Reliability Engineering practices. You are the Incident Commander for a
new. customer-impacting incident. You need to immediately assign two incident management roles
to assist you in an effective incident response. What roles should you assign?
Choose 2 answers
Select the answer
2 correct answers
A.
Operations Lead
B.
Engineering Lead
C.
Communications Lead
D.
Customer Impact Assessor
E.
External Customer Communications Lead

Quiz

6/10
Your company follows Site Reliability Engineering principles. You are writing a postmortem for an
incident, triggered by a software change, that severely affected users. You want to prevent severe
incidents from happening in the future. What should you do?
Select the answer
1 correct answer
A.
Identify engineers responsible for the incident and escalate to their senior management.
B.
Ensure that test cases that catch errors of this type are run successfully before new software
releases.
C.
Follow up with the employees who reviewed the changes and prescribe practices they should
follow in the future.
D.
Design a policy that will require on-call teams to immediately call engineers and management to
discuss a plan of action if an incident occurs.

Quiz

7/10
Your team is designing a new application for deployment both inside and outside Google Cloud
Platform (GCP). You need to collect detailed metrics such as system resource utilization. You want to
use centralized GCP services while minimizing the amount of work required to set up this collection
system. What should you do?
Select the answer
1 correct answer
A.
Import the Stackdriver Profiler package, and configure it to relay function timing data to
Stackdriver for further analysis.
B.
Import the Stackdriver Debugger package, and configure the application to emit debug messages
with timing information.
C.
Instrument the code using a timing library, and publish the metrics via a health check endpoint
that is scraped by Stackdriver.
D.
Install an Application Performance Monitoring (APM) tool in both locations, and configure an
export to a central data storage location for analysis.

Quiz

8/10
Your application images are built and pushed to Google Container Registry (GCR). You want to build
an automated pipeline that deploys the application when the image is updated while minimizing the
development effort. What should you do?
Select the answer
1 correct answer
A.
Use Cloud Build to trigger a Spinnaker pipeline.
B.
Use Cloud Pub/Sub to trigger a Spinnaker pipeline.
C.
Use a custom builder in Cloud Build to trigger a Jenkins pipeline.
D.
Use Cloud Pub/Sub to trigger a custom deployment service running in Google Kubernetes Engine
(GKE).

Quiz

9/10
You support a high-traffic web application that runs on Google Cloud Platform (GCP). You need to
measure application reliability from a user perspective without making any engineering changes to
it. What should you do?
Choose 2 answers
Select the answer
2 correct answers
A.
Review current application metrics and add new ones as needed.
B.
Modify the code to capture additional information for user interaction.
C.
Analyze the web proxy logs only and capture response time of each request.
D.
Create new synthetic clients to simulate a user journey using the application.
E.
Use current and historic Request Logs to trace customer interaction with the application.

Quiz

10/10
You support an application deployed on Compute Engine. The application connects to a Cloud SQL
instance to store and retrieve dat
a. After an update to the application, users report errors showing database timeout messages. The
number of concurrent active users remained stable. You need to find the most probable cause of the
database timeout. What should you do?
Select the answer
1 correct answer
A.
Check the serial port logs of the Compute Engine instance.
B.
Use Stackdriver Profiler to visualize the resources utilization throughout the application.
C.
Determine whether there is an increased number of connections to the Cloud SQL instance.
D.
Use Cloud Security Scanner to see whether your Cloud SQL is under a Distributed Denial of Service
(DDoS) attack.
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  • Quiz name:Google Cloud Certified - Professional Cloud DevOps Engineer Exam
  • Total number of questions:49
  • Number of questions for the test:50
  • Pass score:80%

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