Google Cloud Platform Services and Configuration, Exams of Computer Science

Download Google Cloud Platform Services and Configuration and more Exams Computer Science in PDF only on Docsity!

Associate Cloud Engineer

Number: 000 - 000 Passing Score: 800 Time Limit: 120 min File Version: 5. Google Cloud Certified – Associate Cloud Engineer Version 7.

QUESTION 1

Every employee of your company has a Google account. Your operational team needs to manage a large number of instances on Compute Engine. Each member of this team needs only administrative access to the servers. Your security team wants to ensure that the deployment of credentials is operationally efficient and must be able to determine who accessed a given instance. What should you do? A. Generate a new SSH key pair. Give the private key to each member of your team. Configure the public key in the metadata of each instance. B. Ask each member of the team to generate a new SSH key pair and to send you their public key. Use a conf iguration management tool to deploy those keys on each instance. C. Ask each member of the team to generate a new SSH key pair and to add the public key to their Google account. Grant the “compute.osAdminLogin” role to the Google group corresponding to this team. D. Generate a new SSH key pair. Give the private key to each member of your team. Configure the public key as a project-wide public SSH key in your Cloud Platform project and allow project-wide public SSH keys on each instance. Correct Answer: C Section: (none) Explanation Explanation/Reference: Ref erence: https://cloud.google.com/compute/docs/instances/adding-removing-ssh-keys QUESTION 2 You need to create a custom VPC with a single subnet. The subnet’s range must be as large as possible. Which range should you use? A. 0.0.0.0/ B. 10.0.0.0/ C. 172.16.0.0/ D. 192.168.0.0/ Correct Answer: B Section: (none) Explanation Explanation/Reference: QUESTION 3 You want to select and configure a cost-effective solution for relational data on Google Cloud Platform. You are working with a small set of operational data in one geographic location. You need to support point-in-time recovery. What should you do? A. Select Cloud SQL (MySQL). Verify that the enable binary logging option is selected. B. Select Cloud SQL (MySQL). Select the create failover replicas option. C. Select Cloud Spanner. Set up your instance with 2 nodes. D. Select Cloud Spanner. Set up your instance as multi-regional. Correct Answer: A Section: (none) Explanation

QUESTION 7

Several employees at your company have been creating projects with Cloud Platform and paying for it with their personal credit cards, which the company reimburses. The company wants to centralize all these projects under a single, new billing account. What should you do? A. Contact cloud-billing@google.com with your bank account details and request a corporate billing account f or your company. B. Create a ticket with Google Support and wait for their call to share your credit card details over the phone. C. In the Google Platform Console, go to the Resource Manage and move all projects to the root Organizarion. D. In the Google Cloud Platform Console, create a new billing account and set up a payment method. Correct Answer: D Section: (none) Explanation Explanation/Reference: Ref erence: https://www.whizlabs.com/blog/google-cloud-interview-questions/ QUESTION 8 You have an application that looks for its licensing server on the IP 10.0.3.21. You need to deploy the licensing server on Compute Engine. You do not want to change the configuration of the application and want the application to be able to reach the licensing server. What should you do? A. Reserve the IP 10.0.3.21 as a static internal IP address using gcloud and assign it to the licensing server. B. Reserve the IP 10.0.3.21 as a static public IP address using gcloud and assign it to the licensing server. C. Use the IP 10.0.3.21 as a custom ephemeral IP address and assign it to the licensing server. D. Start the licensing server with an automatic ephemeral IP address, and then promote it to a static internal IP address. Correct Answer: A Section: (none) Explanation Explanation/Reference: QUESTION 9 You are deploying an application to App Engine. You want the number of instances to scale based on request rate. You need at least 3 unoccupied instances at all times. Which scaling type should you use? A. Manual Scaling with 3 instances. B. Basic Scaling with min_instances set to 3. C. Basic Scaling with max_instances set to 3. D. Automatic Scaling with min_idle_instances set to 3. Correct Answer: D Section: (none) Explanation Explanation/Reference: Ref erence: https://cloud.google.com/appengine/docs/standard/python/how-instances-are-managed

QUESTION 10

You have a development project with appropriate IAM roles defined. You are creating a production project and want to have the same IAM roles on the new project, using the fewest possible steps. What should you do? A. Use gcloud iam roles copy and specify the production project as the destination project. B. Use gcloud iam roles copy and specify your organization as the destination organization. C. In the Google Cloud Platform Console, use the ‘create role from role’ functionality. D. In the Google Cloud Platform Console, use the ‘create role’ functionality and select all applicable permissions. Correct Answer: A Section: (none) Explanation Explanation/Reference: Ref erence: https://cloud.google.com/sdk/gcloud/reference/iam/roles/copy QUESTION 11 You need a dynamic way of provisioning VMs on Compute Engine. The exact specifications will be in a dedicated configuration file. You want to follow Google’s recommended practices. Which method should you use? A. Deployment Manager B. Cloud Composer C. Managed Instance Group D. Unmanaged Instance Group Correct Answer: A Section: (none) Explanation Explanation/Reference: Ref erence: https://cloud.google.com/compute/docs/instances/ QUESTION 12 You have a Dockerfile that you need to deploy on Kubernetes Engine. What should you do? A. Use kubectl app deploy . B. Use gcloud app deploy . C. Create a docker image from the Dockerfile and upload it to Container Registry. Create a Deployment YAML f ile to point to that image. Use kubectl to create the deployment with that file. D. Create a docker image from the Dockerfile and upload it to Cloud Storage. Create a Deployment YAML f ile to point to that image. Use kubectl to create the deployment with that file. Correct Answer: C Section: (none) Explanation Explanation/Reference: Ref erence https://cloud.google.com/kubernetes-engine/docs/tutorials/hello-app QUESTION 13 Your development team needs a new Jenkins server f or their project. You need to deploy the server using the f ewest steps possible. What should you do?

A. Create a Google Kubernetes Engine cluster, and use horizontal pod autoscaling to scale the application. B. Create an instance template, and use the template in a managed instance group with autoscaling configured. C. Create an instance template, and use the template in a managed instance group that scales up and down based on the time of day. D. Use a set of third-party tools to build automation around scaling the application up and down, based on Stackdriver CPU usage monitoring. Correct Answer: B Section: (none) Explanation Explanation/Reference: QUESTION 17 You are analyzing Google Cloud Platform service costs from three separate projects. You want to use this inf ormation to create service cost estimates by service type, daily and monthly, for the next six months using standard query syntax. What should you do? A. Export your bill to a Cloud Storage bucket, and then import into Cloud Bigtable for analysis. B. Export your bill to a Cloud Storage bucket, and then import into Google Sheets for analysis. C. Export your transactions to a local file, and perform analysis with a desktop tool. D. Export your bill to a BigQuery dataset, and then write time window-based SQL queries for analysis. Correct Answer: D Section: (none) Explanation Explanation/Reference: QUESTION 18 You need to set up a policy so that videos stored in a specific Cloud Storage Regional bucket are moved to Coldline after 90 days, and then deleted after one year f rom their creation. How should you set up the policy? A. Use Cloud Storage Object Lifecycle Management using Age conditions with SetStorageClass and Delete actions. Set the SetStorageClass action to 90 days and the Delete action to 275 days (365 – 90) B. Use Cloud Storage Object Lifecycle Management using Age conditions with SetStorageClass and Delete actions. Set the SetStorageClass action to 90 days and the Delete action to 365 days. C. Use gsutil rewrite and set the Delete action to 275 days (365-90). D. Use gsutil rewrite and set the Delete action to 365 days. Correct Answer: B Section: (none) Explanation Explanation/Reference: QUESTION 19 You have a Linux VM that must connect to Cloud SQL. You created a service account with the appropriat e access rights. You want to make sure that the VM uses this service account instead of the default Compute Engine service account. What should you do?

A. When creating the VM via the web console, specify the service account under the ‘Identity and API Access’ section. B. Download a JSON Private Key for the service account. On the Project Metadata, add that JSON as the value f or the key compute-engine-service-account. C. Download a JSON Private Key for the service account. On the Custom Metadata of the VM, add that JSON as the value for the key compute-engine-service-account. D. Download a JSON Private Key for the service account. After creating the VM, ssh into the VM and save the JSON under ~/.gcloud/compute-engine-service-account.json. Correct Answer: A Section: (none) Explanation Explanation/Reference: Ref erence: https://cloud.google.com/compute/docs/access/create-enable-service-accounts-for-instances QUESTION 20 You created an instance of SQL Server 2017 on Compute Engine to test features in the new version. You want to connect to this instance using the fewest number of steps. What should you do? A. Install a RDP client on your desktop. Verify that a f irewall rule for port 3389 exists. B. Install a RDP client in your desktop. Set a Windows username and password in the GCP Console. Use the credentials to log in to the instance. Most Voted C. Set a Windows password in the GCP Console. Verify that a f irewall rule for port 22 exists. Click the RDP button in the GCP Console and supply the credentials to log in. D. Set a Windows username and password in the GCP Console. Verify that a firewall rule f or port 3389 exists. Click the RDP button in the GCP Console, and supply the credentials to log in. Most Voted Correct Answer: B Section: (none) Explanation Explanation/Reference: Ref erence: https://medium.com/falafel-software/sql-server-in-the-google-cloud-a17e8a1f11ce QUESTION 21 You have one GCP account running in your default region and zone and another account running in a non- def ault region and zone. You want to start a new Compute Engine instance in these two Google Cloud Platf orm accounts using the command line interface. What should you do? A. Create two configurations using gcloud config configurations create [NAME]. Run gcloud config configurations activate [NAME] to switch between accounts when running the commands to start the Compute Engine instances. B. Create two configurations using gcloud config configurations create [NAME]. Run gcloud configurations list to start the Compute Engine instances. C. Activate two configurations using gcloud configurations activate [NAME]. Run gcloud config list to start the Compute Engine instances. D. Activate two configurations using gcloud configurations activate [NAME]. Run gcloud configurations list to start the Compute Engine instances. Correct Answer: A Section: (none) Explanation

Explanation/Reference: Ref erence: https://cloud.google.com/solutions/correlating-time-series-dataflow QUESTION 24 You have a project for your App Engine application that serves a development environment. The required testing has succeeded and you want to create a new project to serve as your production environment. What should you do? A. Use gcloud to create the new project, and then deploy your application to the new project. B. Use gcloud to create the new project and to copy the deployed application to the new project. C. Create a Deployment Manager configuration file that copies the current App Engine deployment into a new project. D. Deploy your application again using gcloud and specify the project parameter with the new project name to create the new project. Correct Answer: A Section: (none) Explanation Explanation/Reference: QUESTION 25 You need to configure IAM access audit logging in BigQuery for external auditors. You want to follow Google- recommended practices. What should you do? A. Add the auditors group to the ‘logging.viewer’ and ‘bigQuery.dataViewer’ predefined IAM roles. B. Add the auditors group to two new custom IAM roles. C. Add the auditor user accounts to the ‘logging.viewer’ and ‘bigQuery.dataViewer’ predefined IAM roles. D. Add the auditor user accounts to two new custom IAM roles. Correct Answer: A Section: (none) Explanation Explanation/Reference: Ref erence: https://cloud.google.com/iam/docs/roles-audit-logging QUESTION 26 You need to set up permissions for a set of Compute Engine instances to enable them to write data into a particular Cloud Storage bucket. You want to follow Google-recommended practices. What should you do? A. Create a service account with an access scope. Use the access scope ‘https://www.googleapis.com/auth/ devstorage.write_only’. B. Create a service account with an access scope. Use the access scope ‘https://www.googleapis.com/auth/ cloud-platform’. C. Create a service account and add it to the IAM role ‘storage.objectCreator’ for that bucket. D. Create a service account and add it to the IAM role ‘storage.objectAdmin’ for that bucket. Correct Answer: C

Section: (none) Explanation Explanation/Reference: Ref erence: https://towardsdatascience.com/enlightened-datalab-notebooks-35ce8ef374c QUESTION 27 You have sensitive data stored in three Cloud Storage buckets and have enabled data access logging. You want to verify activities for a particular user for these buckets, using the fewest possible steps. You need to verif y the addition of metadata labels and which files have been viewed from those buckets. What should you do? A. Using the GCP Console, f ilter the Activity log to view the information. B. Using the GCP Console, filter the Stackdriver log to view the information. C. View the bucket in the Storage section of the GCP Console. D. Create a trace in Stackdriver to view the information. Correct Answer: A Section: (none) Explanation Explanation/Reference: QUESTION 28 You are the project owner of a GCP project and want to delegate control to colleagues to manage buckets and f iles in Cloud Storage. You want to follow Google-recommended practices. Which IAM roles should you grant your colleagues? A. Project Editor B. Storage Admin C. Storage Object Admin D. Storage Object Creator Correct Answer: B Section: (none) Explanation Explanation/Reference: QUESTION 29 You have an object in a Cloud Storage bucket that you want to share with an external company. The object contains sensitive data. You want access to the content to be removed after four hours. The external company does not have a Google account to which you can grant specific user-based access privileges. You want to use the most secure method that requires the fewest steps. What should you do? A. Create a signed URL with a four-hour expiration and share the URL with the company. B. Set object access to ‘public’ and use object lifecycle management to remove the object af ter four hours. C. Conf igure the storage bucket as a static website and furnish the object’s URL to the company. Delete the object from the storage bucket after f our hours. D. Create a new Cloud Storage bucket specifically for the external company to access. Copy the object to that bucket. Delete the bucket after four hours have passed. Correct Answer: A

Explanation Explanation/Reference: QUESTION 33 You are deploying an application to a Compute Engine VM in a managed instance group. The application must be running at all times, but only a single instance of the VM should run per GCP project. How should you configure the instance group? A. Set autoscaling to On, set the minimum number of instances to 1, and then set the maximum number of instances to 1. B. Set autoscaling to Off, set the minimum number of instances to 1, and then set the maximum number of instances to 1. C. Set autoscaling to On, set the minimum number of instances to 1, and then set the maximum number of instances to 2. D. Set autoscaling to Off, set the minimum number of instances to 1, and then set the maximum number of instances to 2. Correct Answer: A Section: (none) Explanation Explanation/Reference: QUESTION 34 You want to verify the IAM users and roles assigned within a GCP project named my-project. What should you do? A. Run gcloud iam roles list. Review the output section. B. Run gcloud iam service-accounts list. Review the output section. C. Navigate to the project and then to the IAM section in the GCP Console. Review the members and roles. D. Navigate to the project and then to the Roles section in the GCP Console. Review the roles and status. Correct Answer: D Section: (none) Explanation Explanation/Reference: QUESTION 35 You need to create a new billing account and then link it with an existing Google Cloud Platform project. What should you do? A. Verif y that you are Project Billing Manager for the GCP project. Update the existing project to link it to the existing billing account. Most Voted B. Verif y that you are Project Billing Manager for the GCP project. Create a new billing account and link the new billing account to the existing project. Most Voted C. Verif y that you are Billing Administrator for the billing account. Create a new project and link the new project to the existing billing account. D. Verif y that you are Billing Administrator for the billing account. Update the existing project to link it to the existing billing account.

Correct Answer: B Section: (none) Explanation Explanation/Reference: Ref erence: https://cloud.google.com/billing/docs/how-to/modify-project QUESTION 36 You have one project called proj-sa where you manage all your service accounts. You want to be able to use a service account from this project to take snapshots of VMs running in another project called proj- vm. What should you do? A. Download the private key from the service account, and add it to each VMs custom metadata. B. Download the private key from the service account, and add the private key to each VM’s SSH keys. C. Grant the service account the IAM Role of Compute Storage Admin in the project called proj-vm. D. When creating the VMs, set the service account’s API scope for Compute Engine to read/write. Correct Answer: C Section: (none) Explanation Explanation/Reference: QUESTION 37 You created a Google Cloud Platform project with an App Engine application inside the project. You initially conf igured the application to be served from the us-central region. Now you want the application to be served f rom the asia-northeast1 region. What should you do? A. Change the default region property setting in the existing GCP project to asia-northeast1. B. Change the region property setting in the existing App Engine application from us - central to asia- northeast1. C. Create a second App Engine application in the existing GCP project and specify asia-northeast1 as the region to serve your application. D. Create a new GCP project and create an App Engine application inside this new project. Specify asia- northeast1 as the region to serve your application. Correct Answer: D Section: (none) Explanation Explanation/Reference: QUESTION 38 You need to grant access for three users so that they can view and edit table data on a Cloud Spanner instance. What should you do? A. Run gcloud iam roles describe roles/spanner.databaseUser. Add the users to the role. B. Run gcloud iam roles describe roles/spanner.databaseUser. Add the users to a new group. Add the group to the role. C. Run gcloud iam roles describe roles/spanner.viewer - - project my-project. Add the users to the role. D. Run gcloud iam roles describe roles/spanner.viewer - - project my-project. Add the

Explanation Explanation/Reference: QUESTION 42 You’ve deployed a microservice called myapp1 to a Google Kubernetes Engine cluster using the YAML file specified below: You need to refactor this configuration so that the database password is not stored in plain text. You want to f ollow Google-recommended practices. What should you do? A. Store the database password inside the Docker image of the container, not in the YAML file. B. Store the database password inside a Secret object. Modify the YAML file to populate the DB_PASSWORD environment variable from the Secret. C. Store the database password inside a ConfigMap object. Modify the YAML file to populate the DB_PASSWORD environment variable from the ConfigMap. D. Store the database password in a file inside a Kubernetes persistent volume and use a persistent volume claim to mount the volume to the container. Correct Answer: B Section: (none) Explanation Explanation/Reference: QUESTION 43 You are running an application on multiple virtual machines within a managed instance group and have autoscaling enabled. The autoscaling policy is configured so that additional instances are added to the group

if the CPU utilization of instances goes above 80%. VMs are added until the instance group reaches its maximum limit of five VMs or until CPU utilization of instances lowers to 80%. The initial delay for HTTP health checks against the instances is set to 30 seconds. The virtual machine instances take around three minutes to become available for users. You observe that when the instance group autoscales, it adds more instances then necessary to support the levels of end - user traffic. You want to properly maintain instance group sizes when autoscaling. What should you do? A. Set the maximum number of instances to 1. B. Decrease the maximum number of instances to 3. C. Use a TCP health check instead of an HTTP health check. D. Increase the initial delay of the HTTP health check to 200 seconds. Correct Answer: D Section: (none) Explanation Explanation/Reference: QUESTION 44 You need to select and configure compute resources for a set of batch processing jobs. These jobs take around 2 hours to complete and are run nightly. You want to minimize service costs. What should you do? A. Select Google Kubernetes Engine. Use a single-node cluster with a small instance type. B. Select Google Kubernetes Engine. Use a three-node cluster with micro instance types. C. Select Compute Engine. Use preemptible VM instances of the appropriate standard machine type. D. Select Compute Engine. Use VM instance types that support micro bursting. Correct Answer: C Section: (none) Explanation Explanation/Reference: QUESTION 45 You recently deployed a new version of an application to App Engine and then discovered a bug in the release. You need to immediately revert to the prior version of the application. What should you do? A. Run gcloud app restore. B. On the App Engine page of the GCP Console, select the application that needs to be reverted and click Revert. C. On the App Engine Versions page of the GCP Console, route 100% of the traffic to the previous version. D. Deploy the original version as a separate application. Then go to App Engine settings and split traffic between applications so that the original version serves 100% of the requests. Correct Answer: B Section: (none) Explanation Explanation/Reference: Ref erence: https://medium.com/google-cloud/app-engine-project-cleanup-9647296e796a QUESTION 46 You deployed an App Engine application using gcloud app deploy, but it did not deploy to the intended

of memory. You want to upgrade the virtual machine to have 8 GB of memory. What should you do? A. Rely on live migration to move the workload to a machine with more memory. B. Use gcloud to add metadata to the VM. Set the key to required-memory-size and the value to 8 GB. C. Stop the VM, change the machine type to n1-standard- 8 , and start the VM. D. Stop the VM, increase the memory to 8 GB, and start the VM. Correct Answer: D Section: (none) Explanation Explanation/Reference: QUESTION 50 You have production and test workloads that you want to deploy on Compute Engine. Production VMs need to be in a different subnet than the test VMs. All the VMs must be able to reach each other over internal IP without creating additional routes. You need to set up VPC and the 2 subnets. Which configuration meets these requirements? A. Create a single custom VPC with 2 subnets. Create each subnet in a different region and with a different CIDR range. B. Create a single custom VPC with 2 subnets. Create each subnet in the same region and with the same CIDR range. C. Create 2 custom VPCs, each with a single subnet. Create each subnet is a different region and with a dif ferent CIDR range. D. Create 2 custom VPCs, each with a single subnet. Create each subnet in the same region and with the same CIDR range. Correct Answer: A Section: (none) Explanation Explanation/Reference: QUESTION 51 You need to create an autoscaling managed instance group for an HTTPS web application. You want to make sure that unhealthy VMs are recreated. What should you do? A. Create a health check on port 443 and use that when creating the Managed Instance Group. B. Select Multi-Zone instead of Single-Zone when creating the Managed Instance Group. C. In the Instance Template, add the label ‘health-check’. D. In the Instance Template, add a startup script that sends a heartbeat to the metadata server. Correct Answer: A Section: (none) Explanation Explanation/Reference: Ref erence: https://cloud.google.com/compute/docs/instance-groups/creating-groups-of-managed-instances QUESTION 52 Your company has a Google Cloud Platform project that uses BigQuery for data warehousing. Your data

science team changes frequently and has few members. You need to allow members of this team to perform queries. You want to follow Google-recommended practices. What should you do? A. 1. Create an IAM entry f or each data scientist's user account.

2. Assign the BigQuery jobUser role to the group. B. 1. Create an IAM entry f or each data scientist's user account.
3. Assign the BigQuery dataViewer user role to the group. C. 1. Create a dedicated Google group in Cloud Identity.
4. Add each data scientist's user account to the group.
5. Assign the BigQuery jobUser role to the group. D. 1. Create a dedicated Google group in Cloud Identity.
6. Add each data scientist's user account to the group.
7. Assign the BigQuery dataViewer user role to the group. Correct Answer: C Section: (none) Explanation Explanation/Reference: Ref erence: https://cloud.google.com/bigquery/docs/cloud-sql-federated-queries QUESTION 53 Your company has a 3-tier solution running on Compute Engine. The configuration of the current inf rastructure is shown below. Each tier has a service account that is associated with all instances within it. You need to enable communication on TCP port 8080 between tiers as follows:

• Instances in tier #1 must communicate with tier #2.
• Instances in tier #2 must communicate with tier #3.