GCP Core Services Cloud Storage Flashcards

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?

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

What is Regional cloud storage?

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

What is Multi-Regional cloud storage?

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

What is Nearline storage?

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

What is Coldline storage?

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

What does durability mean in cloud storage?

Won't lose data. Signup and view all the answers

What is a cloud storage bucket?

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

What are objects in cloud storage?

Files that inherit the storage class of the bucket. Signup and view all the answers

What command is used to access data in cloud storage?

gsutil command. Signup and view all the answers

What is a storage class in cloud storage?

Defines how data is stored and its accessibility. Signup and view all the answers

What is access control in cloud storage?

Using IAM to manage permissions on buckets and objects. Signup and view all the answers

What are Access Control Lists (ACLs)?

Mechanisms to define access levels for buckets and objects. Signup and view all the answers

What is a signed URL?

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

What does object versioning ensure?

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

What is Object Lifecycle Management?

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

What is an object change notification?

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

What are Data Import services?

Services to transfer data into Cloud Storage. Signup and view all the answers

What is the Transfer Appliance?

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

What does the Storage Transfer Service do?

Enables high-performance imports of online data. Signup and view all the answers

What is offline media import?

A service to upload data from physical media to cloud storage. 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.

True 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.

True 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?

BigQuery Signup and view all the answers

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

Spanner 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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Description

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.