GCP Core Services Cloud Storage Flashcards
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Questions and Answers

What is the overview of GCP infrastructure core services?

Overview

What is a decision chart?

Which of the following are use cases for cloud storage? (Select all that apply)

  • Distributing large data objects via direct download (correct)
  • Local data storage only
  • Storing data for archiving (correct)
  • Website for content (correct)
  • What are the characteristics of cloud storage?

    <p>Scalable, quick response, high availability, collection of buckets, single API.</p> Signup and view all the answers

    What is Regional cloud storage?

    <p>Regional storage stores data at a lower cost with lower redundancy.</p> Signup and view all the answers

    What is Multi-Regional cloud storage?

    <p>Geo-redundant storage that maintains data in at least two geographic locations.</p> Signup and view all the answers

    What is Nearline storage?

    <p>Low-cost, highly durable storage for infrequently accessed data.</p> Signup and view all the answers

    What is Coldline storage?

    <p>Low-cost storage for archival data, available quickly.</p> Signup and view all the answers

    What does durability mean in cloud storage?

    <p>Won't lose data.</p> Signup and view all the answers

    What is a cloud storage bucket?

    <p>A globally unique container for storing objects in Cloud Storage.</p> Signup and view all the answers

    What are objects in cloud storage?

    <p>Files that inherit the storage class of the bucket.</p> Signup and view all the answers

    What command is used to access data in cloud storage?

    <p>gsutil command.</p> Signup and view all the answers

    What is a storage class in cloud storage?

    <p>Defines how data is stored and its accessibility.</p> Signup and view all the answers

    What is access control in cloud storage?

    <p>Using IAM to manage permissions on buckets and objects.</p> Signup and view all the answers

    What are Access Control Lists (ACLs)?

    <p>Mechanisms to define access levels for buckets and objects.</p> Signup and view all the answers

    What is a signed URL?

    <p>Allows temporary access to the bucket without Google account authentication.</p> Signup and view all the answers

    What does object versioning ensure?

    <p>Immutable objects with archived versions on deletion or overwrite.</p> Signup and view all the answers

    What is Object Lifecycle Management?

    <p>Manages how objects are stored and archived based on rules.</p> Signup and view all the answers

    What is an object change notification?

    <p>A notification when an object is updated or added to a bucket.</p> Signup and view all the answers

    What are Data Import services?

    <p>Services to transfer data into Cloud Storage.</p> Signup and view all the answers

    What is the Transfer Appliance?

    <p>A hardware appliance for securely migrating large volumes of data to GCP.</p> Signup and view all the answers

    What does the Storage Transfer Service do?

    <p>Enables high-performance imports of online data.</p> Signup and view all the answers

    What is offline media import?

    <p>A service to upload data from physical media to cloud storage.</p> Signup and view all the answers

    When you upload an object to Cloud Storage and you receive a successor response, the object is immediately available for download and metadata operations from any location where Google offers service.

    <p>True</p> Signup and view all the answers

    If a deletion request succeeds, an immediate attempt to download the object or its metadata will result in a 404 Not Found status code.

    <p>True</p> Signup and view all the answers

    What is the decision tree for storage classes in Cloud Storage?

    Signup and view all the answers

    Which data storage service provides data warehouse services and offers an SQL interface for querying the data?

    <p>BigQuery</p> Signup and view all the answers

    Which GCP data storage service offers ACID transactions and can scale globally?

    <p>Spanner</p> Signup and view all the answers

    Study Notes

    Overview of Cloud Storage Services

    • Cloud storage supports diverse use cases including website content hosting, data archiving, and distributing large files.
    • Features include high scalability, low latency responses (milliseconds), and high availability across various storage classes.
    • Accessing objects is done via URLs, and storage is organized in buckets rather than a traditional file system.

    Cloud Storage Classes

    • Regional Storage:

      • Offers cost-efficient storage yet confined to a specific region; suitable for frequently accessed data near compute instances.
    • Multi-Regional Storage:

      • Geo-redundant with data stored in at least two physical locations, at least 100 miles apart; ideal for frequent access needs like website content or mobile applications.
    • Nearline Storage:

      • Designed for infrequently accessed data, accessible at least once a month; low storage costs but associated retrieval fees.
    • Coldline Storage:

      • Extremely low-cost and highly durable for archival and disaster recovery; accessible data is available within milliseconds, suited for access once a year.

    Storage Infrastructure Characteristics

    • Buckets:

      • Globally unique names required; buckets cannot be nested.
    • Objects:

      • Can be of any file type; inherit the storage class of their bucket with no minimum size.

    Management Commands and APIs

    • Data access can utilize gsutil commands or JSON/XML APIs for integration with applications.

    Storage Class Administration

    • Default storage class assigned to new objects; classes can only be changed through object transfer between buckets.
    • Object Lifecycle Management provides automation of storage class changes based on object conditions over time.

    Access Control Mechanisms

    • IAM (Identity and Access Management):

      • Allows granular control over bucket access for users and service accounts, inheriting roles through projects to objects.
    • ACLs (Access Control Lists):

      • Offer precise permissions for buckets and objects, limited to 100 entries defining user scopes and permissions per entry.

    Additional Features

    • Signed URL:

      • Permits non-authenticated access to buckets within a designated time frame.
    • Object Versioning:

      • Ensures object immutability; creates archived versions when objects are deleted or changed, identifiable by generation number.
    • Object Lifecycle Management:

      • Manages rules for object retention and storage class downgrades, with rules evaluated asynchronously and updates reflecting within 24 hours.
    • Object Change Notification:

      • Notifies applications of object updates via "watch" requests.

    Data Transfer Methods

    • Data Import Services:

      • Includes Transfer Appliance, Storage Transfer Service, and Offline Media Import for seamless data migration.
    • Transfer Appliance:

      • A hardware tool enabling secure migration of large data volumes up to 1 petabyte to GCP without business disruption.
    • Storage Transfer Service:

      • Facilitates high-performance import of online data from other sources like Amazon S3 or HTTP/HTTPS locations.
    • Offline Media Import:

      • A third-party service that uploads data transferred via physical media.

    True/False Statements Validation

    • Successful object uploads enable immediate download availability and metadata operations (True).
    • A successful deletion request will yield a 404 Not Found status for subsequent access (True).

    Other GCP Data Services

    • BigQuery:

      • Offers data warehousing services with an interactive SQL interface for data querying.
    • Spanner:

      • A global data storage service that supports ACID transactions.

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    Test your knowledge on Google Cloud Platform's core services related to Cloud Storage with these flashcards. Each card provides crucial information and definitions to enhance your understanding of cloud storage concepts and their applications. Perfect for students and professionals looking to solidify their GCP expertise.

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