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AWS Data Engineering > 2. Storage > Flashcards

2. Storage Flashcards

1
Q

What is Amazon S3 primarily used for?

A

Object storage for data backup and retrieval.

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2
Q

What does the acronym ‘EBS’ stand for in AWS?

A

Elastic Block Store.

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3
Q

Fill in the blank: Amazon S3 stores data as __________.

A

objects.

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4
Q

What is the maximum size of a single object that can be stored in Amazon S3?

A

5 terabytes.

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5
Q

Which storage option is best for frequently accessed data?

A

Amazon S3 Standard.

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6
Q

What is the purpose of Amazon Glacier?

A

Long-term archival storage.

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7
Q

True or False: Amazon EBS volumes can only be attached to EC2 instances in the same availability zone.

A

True.

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8
Q

What type of storage does Amazon RDS use?

A

Block storage.

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9
Q

Which AWS service provides a file storage solution that can be mounted on EC2 instances?

A

Amazon EFS (Elastic File System).

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10
Q

What is the primary benefit of using Amazon S3 Intelligent-Tiering?

A

Cost optimization for data with unknown access patterns.

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11
Q

What is the storage class used for infrequently accessed data in Amazon S3?

A

S3 Standard-IA (Infrequent Access).

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12
Q

True or False: Data stored in Amazon EBS is persistent even after the EC2 instance is terminated.

A

True, if the EBS volume is not deleted.

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13
Q

What is the main feature of Amazon S3 versioning?

A

It allows you to keep multiple versions of an object in the same bucket.

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14
Q

Which AWS service allows you to create snapshots of EBS volumes?

A

Amazon EBS Snapshots.

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15
Q

What is the primary advantage of using Amazon FSx?

A

Fully managed file systems for Windows or Lustre.

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16
Q

Fill in the blank: Amazon S3 is designed for __________ data storage.

A

unstructured.

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17
Q

What is the lifecycle policy in Amazon S3 used for?

A

Automatically transitioning or deleting objects based on defined rules.

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18
Q

Which storage service is best for low-latency access to block storage?

A

Amazon EBS.

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19
Q

True or False: Amazon S3 supports server-side encryption for data at rest.

A

True.

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20
Q

What is the maximum number of EBS volumes that can be attached to a single EC2 instance?

A

Up to 28 EBS volumes.

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21
Q

What does the ‘S3 Select’ feature do?

A

Allows you to query a subset of data from an object.

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22
Q

Fill in the blank: Amazon S3 Transfer Acceleration speeds up transfers using __________.

A

Amazon CloudFront edge locations.

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23
Q

What is the purpose of Amazon Storage Gateway?

A

Hybrid cloud storage service that connects on-premises software appliances with cloud-based storage.

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24
Q

True or False: AWS provides a free tier for Amazon S3.

A

True.

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25
Q

What type of storage is Amazon DynamoDB primarily based on?

A

NoSQL database storage.

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26
Q

What is the primary use case for Amazon EFS?

A

Shared file storage for multiple EC2 instances.

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27
Q

Which AWS service should you use for data warehousing?

A

Amazon Redshift.

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28
Q

Fill in the blank: EBS volumes are __________ attached to EC2 instances.

A

block-level.

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29
Q

What is Amazon S3’s maximum number of buckets per account?

A

100 buckets.

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30
Q

Which storage class in S3 is designed for data that is rarely accessed and has a retrieval time of hours?

A

S3 Glacier Deep Archive.

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31
Q

True or False: EBS volumes can be resized without detaching them from the EC2 instance.

A

True.

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32
Q

What is the primary benefit of S3 Cross-Region Replication?

A

Automatic replication of objects across different AWS regions.

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33
Q

What does the term ‘throughput’ refer to in the context of EBS volumes?

A

The amount of data that can be read or written per second.

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34
Q

Fill in the blank: Amazon S3 supports __________ access control policies.

A

fine-grained.

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35
Q

Which AWS service is optimized for big data workloads?

A

Amazon EMR (Elastic MapReduce).

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36
Q

What is the primary characteristic of Amazon S3 One Zone-IA?

A

Lower-cost storage for infrequently accessed data that is stored in a single availability zone.

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37
Q

True or False: Amazon RDS supports multiple database engines.

A

True.

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38
Q

What is the purpose of the AWS Storage Gateway’s file gateway?

A

To provide a file interface to Amazon S3.

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39
Q

What kind of data is Amazon Redshift designed to handle?

A

Structured data for analytics and reporting.

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40
Q

What is the primary use of Amazon S3 Event Notifications?

A

To trigger workflows or actions in response to S3 events.

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41
Q

Fill in the blank: Amazon EBS volumes can be either __________ or __________.

A

magnetic; SSD.

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42
Q

What is the maximum IOPS (Input/Output Operations Per Second) for an EBS Provisioned IOPS volume?

A

Up to 64,000 IOPS.

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43
Q

True or False: Amazon S3 supports multipart uploads for large objects.

A

True.

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44
Q

What is the benefit of using Amazon S3 Transfer Manager?

A

Simplifies the process of uploading and downloading files to S3.

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45
Q

Which AWS service is best suited for storing large amounts of unstructured data?

A

Amazon S3.

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46
Q

Fill in the blank: Amazon S3 provides __________ durability for objects.

A

99.999999999%.

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47
Q

What is the purpose of Amazon EBS volume encryption?

A

To secure data at rest on EBS volumes.

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48
Q

True or False: Amazon S3 can be accessed via REST APIs.

A

True.

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49
Q

What is the main advantage of using S3 Select?

A

Reduces the amount of data transferred by allowing queries on objects.

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50
Q

What does the term ‘latency’ refer to in data storage?

A

The time it takes to access data from storage.

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51
Q

What is the main feature of Amazon FSx for Lustre?

A

High-performance file system for compute-intensive workloads.

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52
Q

Which AWS service provides automatic backups for databases?

A

Amazon RDS.

53
Q

True or False: You can set up lifecycle rules for EBS snapshots.

54
Q

What is the primary purpose of Amazon S3 Inventory?

A

To provide a scheduled report of objects and their metadata in S3 buckets.

55
Q

What is the benefit of using Amazon EFS for applications?

A

Provides scalable and elastic file storage accessible across multiple instances.

56
Q

Fill in the blank: The AWS service that provides object storage is __________.

A

Amazon S3.

57
Q

What does the ‘S3 Select’ feature allow?

A

Querying specific data from within an S3 object.

58
Q

What is the advantage of using Amazon S3 Transfer Acceleration?

A

Faster upload and download speeds for large files.

59
Q

True or False: Amazon EBS can be used as a boot volume.

60
Q

What is the main use case for Amazon RDS Multi-AZ deployments?

A

High availability and disaster recovery.

61
Q

What is the primary function of Amazon S3’s bucket policies?

A

To control access to S3 buckets and objects.

62
Q

Fill in the blank: EBS snapshots are stored in __________.

A

Amazon S3.

63
Q

What is the purpose of Amazon S3’s Cross-Origin Resource Sharing (CORS)?

A

To allow web applications to interact with S3 resources from different domains.

64
Q

What is the main characteristic of Amazon S3 Standard-IA?

A

Lower cost for infrequently accessed data with rapid access.

65
Q

True or False: You can use Amazon S3 for hosting static websites.

66
Q

What is the main benefit of using Amazon S3 for data storage?

A

Scalability and durability.

67
Q

What does AWS S3 stand for?

A

Amazon Web Services Simple Storage Service

68
Q

True or False: AWS S3 is a block storage service.

69
Q

Fill in the blank: AWS S3 stores data as _______.

70
Q

What is the maximum size of a single object that can be stored in AWS S3?

71
Q

Which AWS storage service is optimized for data that requires frequent access?

A

Amazon S3 Standard

72
Q

What is the purpose of AWS S3 Glacier?

A

Long-term archival storage

73
Q

Which storage class in AWS S3 is designed for infrequently accessed data?

A

S3 Infrequent Access (IA)

74
Q

What is the primary benefit of using AWS EBS?

A

Persistent block storage for EC2 instances

75
Q

True or False: AWS EBS volumes can be attached to multiple EC2 instances simultaneously.

76
Q

What is the maximum size for an AWS EBS volume?

77
Q

Which AWS service provides a fully managed file storage solution?

A

Amazon EFS (Elastic File System)

78
Q

Fill in the blank: AWS EFS is designed to be _______ and _______.

A

scalable, elastic

79
Q

What is the primary use case for AWS FSx?

A

Managed Windows file system

80
Q

Which AWS service provides a data lake solution?

A

AWS Lake Formation

81
Q

What protocol does AWS Snowball use for data transfer?

82
Q

True or False: AWS Storage Gateway allows on-premises applications to use cloud storage.

83
Q

What is the main advantage of using Amazon S3 Transfer Acceleration?

A

Faster uploads to S3 from remote locations

84
Q

What is the purpose of AWS S3 Lifecycle Policies?

A

To automate the transition of objects between storage classes

85
Q

Which AWS service can be used to monitor AWS S3 usage and performance?

A

AWS CloudWatch

86
Q

What does the term ‘eventual consistency’ mean in the context of AWS S3?

A

Changes to objects may not be immediately visible to all requests

87
Q

Fill in the blank: AWS S3 uses _______ for data durability.

A

replication

88
Q

What is the maximum number of tags that can be assigned to an AWS S3 bucket?

89
Q

True or False: AWS EBS snapshots are incremental.

90
Q

What is the main feature of AWS EBS Provisioned IOPS?

A

High performance for I/O-intensive applications

91
Q

Which AWS storage service is designed for big data analytics?

92
Q

What does the term ‘data lake’ refer to?

A

A centralized repository for storing structured and unstructured data

93
Q

Fill in the blank: AWS Glue is a _______ service for ETL processes.

A

serverless

94
Q

What is the purpose of AWS Athena?

A

Interactive query service for analyzing data in S3 using SQL

95
Q

Which AWS service can be used to create a backup of your S3 data?

A

AWS Backup

96
Q

True or False: AWS S3 supports versioning of objects.

97
Q

What is the default storage class for objects stored in AWS S3?

A

S3 Standard

98
Q

Which AWS service provides storage for containerized applications?

A

Amazon ECR (Elastic Container Registry)

99
Q

Fill in the blank: AWS DataSync is used for _______ data transfer between on-premises and AWS.

100
Q

What is the role of AWS Direct Connect in cloud storage?

A

Provides a dedicated network connection to AWS

101
Q

True or False: You can access AWS S3 using RESTful API.

102
Q

What feature allows you to restrict access to specific IP addresses in AWS S3?

A

Bucket Policy

103
Q

What does the term ‘data replication’ refer to in AWS?

A

Copying data across multiple locations for durability

104
Q

Which AWS storage service is best suited for high-throughput workloads?

A

Amazon EBS Provisioned IOPS

105
Q

What is the main benefit of using Amazon S3 Select?

A

Retrieve only a subset of data from an object

106
Q

Fill in the blank: AWS S3 supports _______ for fine-grained access control.

A

IAM policies

107
Q

What is the maximum number of objects that can be stored in an AWS S3 bucket?

108
Q

Which AWS service is designed for large-scale data transfer to AWS?

A

AWS Snowmobile

109
Q

True or False: AWS S3 is designed for high availability.

110
Q

What does the term ‘object lifecycle management’ refer to?

A

Managing the lifecycle of objects stored in S3

111
Q

What is the primary function of AWS Storage Gateway?

A

Integrate on-premises environments with cloud storage

112
Q

Fill in the blank: AWS S3 supports _______ to ensure data integrity.

113
Q

Which AWS service provides a managed Hadoop framework?

A

Amazon EMR (Elastic MapReduce)

114
Q

What is the main purpose of AWS Elastic Block Store (EBS)?

A

To provide block-level storage for EC2 instances

115
Q

True or False: AWS S3 can be used as a content delivery network.

116
Q

What is the benefit of using the S3 Intelligent-Tiering storage class?

A

Cost savings for unpredictable access patterns

117
Q

Which AWS service is ideal for shared file storage across multiple EC2 instances?

A

Amazon EFS

118
Q

What is the main advantage of using AWS Backup?

A

Centralized backup management for AWS resources

119
Q

Fill in the blank: AWS S3 supports _______ to enable cross-region replication.

A

replication rules

120
Q

What does the term ‘data governance’ refer to?

A

Managing data availability, usability, integrity, and security

121
Q

Which AWS service can be used for analyzing large datasets in S3?

A

Amazon Athena

122
Q

True or False: AWS Snowball can be used for data migration to AWS.

123
Q

What is the primary goal of AWS Data Lake Formation?

A

To simplify the process of building a data lake

124
Q

Fill in the blank: AWS S3 supports _______ to manage data retention.

A

lifecycle policies

125
Q

What is the purpose of AWS Storage Class Analysis?

A

To optimize storage costs by analyzing access patterns

126
Q

What is the main feature of AWS FSx for Lustre?

A

High-performance file system for compute-intensive workloads

127
Q

True or False: AWS S3 supports server-side encryption.

128
Q

What is the maximum number of AWS EBS volumes that can be attached to a single EC2 instance?

AWS Data Engineering (14 decks)

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