PCA: Core Infrastructure Exam Questions With 100% Correct Answers

PCA: Core Infrastructure Exam Questions With 100% Correct Answers What is the main reason customers choose Preemptible VMs? - To reduce cost. - To improve performance. - To reduce cost on premium operating systems. - To use custom machine types - answerTo reduce cost. The per-hour price of preemptible and spot VMs incorporates a substantial discount. For which of these interconnect options is a Service Level Agreement available? - Carrier Peering - Direct Peering - Standard Network Tier - Dedicated Interconnect - answerDedicated Interconnect In Google Cloud VPCs, what scope do subnets have? - Global - Multi-regional - Regional - Zonal - answerRegional: VPC subnets can span the zones that make up a region. This is beneficial because your solutions can incorporate fault tolerance without complicating your network topology What type of cloud computing service lets you bind your application code to libraries that give access to the infrastructure your application needs? - Infrastructure as a service - Platform as a service - Virtualized data centers - Software as a service - Hybrid cloud - answerPlatform as a service Why might a Google Cloud customer use resources in several regions around the world? - To improve security - To offer localized application versions in different regions. - To bring their applications closer to users around the world, and for improved fault tolerance - To earn discounts - answerTo bring their applications closer to users around the world, and for improved fault tolerance What is the primary benefit to a Google Cloud customer of using resources in several zones within a region? - For getting discounts on other zones - For better performance - For expanding services to customers in new areas - For improved fault tolerance - answerFor improved fault tolerance Choose the correct completion: Services and APIs are enabled on a per-__________ basis. - Billing account - Organization - Project - Folder - answerProject Order these IAM role types from broadest to finest-grained. - Predefined roles, custom roles, basic roles - Custom roles, predefined roles, basic roles - Basic roles, predefined roles, custom roles - answerBasic roles, predefined roles, custom roles Which of these values is globally unique, permanent, and unchangeable, but chosen by the customer? - The project number - The project's billing credit-card number - The project ID - The project name - answerThe project ID: The project ID is immutable (cannot be changed) after creation, but can be changed during creation. Which database service can scale to higher database sizes? - Cloud Spanner - Cloud SQL - Firestore - Cloud Bigtable - answerCloud Spanner can scale to petabyte database sizes, while Cloud SQL is limited by the size of the database instances you choose. At the time this quiz was created, the maximum was 10,230 GB. You are building a small application. If possible, you'd like this application's data storage to be at no additional charge. Which service has a free daily quota, separate from any free trials? - Bigtable - Firestore - Cloud Spanner - Cloud SQL - answerFirestore What is the correct use case for Cloud Storage? - Cloud Storage is well suited to providing durable and highly available object storage. - Cloud Storage is well suited to providing data warehousing services. - Cloud Storage is well suited to providing RDBMS services. - Cloud Storage is well suited to providing the root file system of a Linux virtual machine. - answerCloud Storage is well suited to providing durable and highly available object storage. Cloud Storage is object storage rather than filestorage. What is a Kubernetes pod? - A group of containers - A group of clusters - A group of VMs - A group of nodes - answerA group of containers: In Kubernetes, a group of one or more containers is called a pod. Containers in a pod are deployed together. They are started, stopped, and replicated as a group.The simplest workload that Kubernetes can deploy is a pod that consists only of a singlecontainer. Where do the resources used to build Google Kubernetes Engine clusters come from? - Bare-metal servers - Compute Engine - Cloud Storage - App Engine - answerCompute Engine Because the resources used to build Google Kubernetes Engine clusters come from Compute Engine, Google Kubernetes Engine gets to take advantage of Compute Engine's and Google VPC's capabilities. Select the managed compute platform that lets you run stateless containers through web requests or Pub/Sub events. - Apigee API Management - Cloud Endpoints - Cloud Source Repositories - Cloud Run - answerCloud Run Why might a Google Cloud customer choose to use Cloud Functions? - Cloud Functions is a free service for hosting compute operations. - Their application has a legacy monolithic structure that they want to separate into microservices. - Their application contains event-driven code that they don't want to provision compute resources for. - Cloud Functions is the primary way to run C++ applications in GoogleCloud. - answerTheir application contains event-driven code that they don't want to provision compute resources for. Cloud Run can only pull images from (Select 2): - Docker Hub - Self-hosted registries - GitHub - Artifact Registry - Cloud Storage - answerArtifact Registry Docker Hub Cloud Shell provides you with which of the following? (Select all that apply). - 5 GB of persistent storage (/home) - Built-in authorization for access to resources and instances - A command-line tool that requires you to install Cloud SDK - Command-line access to a free temporary Compute Engine VM - answer- 5 GB of persistent storage (/home) - Built-in authorization for access to resources and instances - Command-line access to a free temporary Compute Engine VM To create a persistent state in Cloud Shell, which file would you configure? .my_variables .config .bashrc .profile - answer.profile Google Cloud Marketplace lets you quickly deploy functional software packages by providing pre-defined templates with which Google Cloud service? - Template Manager - Firestore - Terraform - Deployment Manager - answerDeployment Manager What is the deployment manager SSH command to stop and restart a deployment? - answersudo {filepath} stop sudo {filepath} restart ex: sudo /opt/bitnami/ stop What is the command to set a session env variable in the console? - answerINFRACLASS_REGION=[YOUR_REGION] How to append an environment variable to a file? (session) - answerCreate a subdirectory: mkdir infraclass