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AWS CCP > 6. S3 > Flashcards

6. S3 Flashcards

1
Q

What is Amazon S3?

A

Amazon S3 is an AWS storage service that offers ‘infinitely scalable’ storage for data.

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2
Q

True or False: Amazon S3 can be used for backup and disaster recovery.

A

True

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3
Q

What are Amazon S3 ‘buckets’?

A

Buckets in Amazon S3 are containers used to store objects (files) with globally unique names.

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4
Q

What naming rules apply to Amazon S3 buckets?

A

Bucket names must be globally unique, 3-63 characters long, lowercase only, and cannot be an IP.

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5
Q

What is an S3 object ‘key’?

A

An S3 object key is the full path to the object, including the prefix and the object name.

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6
Q

Fill in the blank: The maximum object size in S3 is _____.

A

5TB

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7
Q

What is the minimum file size for multi-part upload in S3?

A

5GB

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8
Q

What is metadata in the context of S3 objects?

A

Metadata is additional data stored as key-value pairs, which can be system or user-defined.

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9
Q

What does S3 versioning allow you to do?

A

S3 versioning allows you to store multiple versions of an object to protect against accidental deletions.

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10
Q

True or False: S3 objects can be organized in directories within buckets.

A

False

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11
Q

What types of security controls are available for S3?

A

User-based (IAM Policies) and resource-based (Bucket Policies, ACLs).

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12
Q

What does a bucket policy allow?

A

A bucket policy allows cross-account access and public access controls on S3 buckets.

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13
Q

What are S3 Access Control Lists (ACLs)?

A

ACLs grant finer-grained access controls to specific objects or buckets.

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14
Q

Fill in the blank: For S3, the default maximum durability is _____%.

A

0.99999999999

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15
Q

True or False: S3 Standard has 99.9% availability.

A

False

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16
Q

What is Amazon S3 Standard used for?

A

S3 Standard is used for frequently accessed data with low latency and high throughput.

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17
Q

How does S3 Intelligent-Tiering work?

A

It automatically moves objects between different access tiers based on usage patterns.

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18
Q

What is the minimum storage duration for objects in the S3 Glacier Deep Archive?

A

180 days

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19
Q

What retrieval options are available in S3 Glacier Flexible Retrieval?

A

Expedited (1-5 minutes), Standard (3-5 hours), Bulk (5-12 hours).

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20
Q

True or False: S3 Glacier Instant Retrieval provides millisecond access to archived data.

A

True

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21
Q

What is the main use case for S3 One Zone-Infrequent Access?

A

Storing secondary backup copies of data that can be recreated if lost.

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22
Q

Fill in the blank: S3 has a storage class specifically for archiving, called _____ storage.

A

Glacier

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23
Q

What is the purpose of S3 Cross-Region Replication?

A

To replicate data across AWS regions for compliance and low-latency access.

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24
Q

What is S3 Same-Region Replication used for?

A

Log aggregation and live replication between production and test accounts.

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25
Q

What is the main difference between CRR and SRR in S3?

A

CRR replicates data across different regions, while SRR replicates within the same region.

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26
Q

What is the purpose of S3 lifecycle policies?

A

To automatically transition objects to different storage classes based on access frequency.

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27
Q

True or False: S3 Standard-Infrequent Access is cheaper than S3 Standard.

A

True

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28
Q

What type of storage is best for non-frequently accessed data with high durability and low cost?

A

S3 Standard-Infrequent Access or S3 Glacier.

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29
Q

How does S3 encryption work for stored objects?

A

S3 can use server-side or client-side encryption to secure objects.

30
Q

True or False: S3 allows hosting static websites.

A

True

31
Q

What is the URL format for an S3-hosted static website?

A

http://bucket-name.s3-website-aws-region.amazonaws.com

32
Q

True or False: You need to enable public read permissions for an S3 static website to be accessible.

A

True

33
Q

What AWS service can be used to transfer large amounts of data to S3 physically?

A

AWS Snow Family (Snowball, Snowcone).

34
Q

What is the Snowball Edge?

A

A physical device that allows large-scale data transfer to AWS with edge computing capabilities.

35
Q

Fill in the blank: The smallest device in the Snow Family is called _____.

A

Snowcone

36
Q

What tool helps manage Snow Family devices?

A

AWS OpsHub

37
Q

How does Snowball help with network limitations in data migration?

A

It enables offline data transfer, avoiding high network costs and bandwidth issues.

38
Q

True or False: Snow Family devices support both data migration and edge computing.

A

True

39
Q

What AWS service bridges on-premises data with S3 for hybrid cloud storage?

A

AWS Storage Gateway

40
Q

What types of Storage Gateway are available?

A

File Gateway, Volume Gateway, and Tape Gateway.

41
Q

True or False: S3 supports only public access policies by default.

A

False

42
Q

What is the role of IAM in Amazon S3 security?

A

IAM defines user permissions for API calls to access or manage S3 resources.

43
Q

What is the Shared Responsibility Model in S3?

A

AWS secures infrastructure, while customers manage data and access permissions.

44
Q

What is an example of S3 data protection via access control?

A

Using IAM policies and bucket policies to restrict access.

45
Q

Fill in the blank: _____ enables bucket and object-level security configurations.

A

S3 Bucket Policies

46
Q

What is IAM Access Analyzer for S3?

A

A tool that evaluates S3 policies to ensure only intended access.

47
Q

What is edge computing with Snowball Edge?

A

Processing data locally on the Snowball Edge device in areas with limited connectivity.

48
Q

True or False: S3 Glacier is only used for frequently accessed data.

A

False

49
Q

How does S3 Intelligent-Tiering reduce costs?

A

It automatically shifts objects to lower-cost tiers when access frequency decreases.

50
Q

What is the minimum billable object size for Glacier Flexible Retrieval?

A

40 KB

51
Q

Which S3 storage class provides the highest durability?

A

All S3 classes offer 99.999999999% durability.

52
Q

Fill in the blank: S3 Standard has an availability SLA of _____%.

A

0.9990000000000001

53
Q

What AWS service allows S3 to be accessible from on-premises systems?

A

AWS Storage Gateway

54
Q

True or False: S3 can directly host dynamic websites.

A

False

55
Q

What is the S3 availability percentage for Standard storage?

A

0.9998999999999999

56
Q

What is the purpose of S3 lifecycle policies?

A

To transition objects to appropriate storage classes automatically.

57
Q

Name two use cases for S3 Glacier Deep Archive.

A

Long-term storage and compliance-driven archival.

58
Q

True or False: S3 Standard-IA is suitable for frequently accessed data.

A

False

59
Q

What does S3 ‘availability’ refer to?

A

The readiness of data or services for access.

60
Q

True or False: AWS guarantees 100% durability for S3 data.

A

False

61
Q

What does S3 bucket-level encryption entail?

A

Encrypting all objects within a bucket automatically.

62
Q

What are two main uses for Snow Family devices?

A

Data migration to AWS and edge computing in remote locations.

63
Q

Which S3 storage class is optimal for cost-effective infrequent access?

A

S3 Standard-IA or One Zone-IA.

64
Q

How many availability zones does S3 Standard replicate data across?

A

Three or more availability zones.

65
Q

Fill in the blank: S3 Intelligent-Tiering includes an optional _____ Access tier.

A

Deep Archive

66
Q

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

A

Improved compliance and reduced latency for distributed data.

67
Q

What AWS feature prevents data loss across multiple regions?

A

Cross-Region Replication (CRR)

68
Q

Fill in the blank: S3 supports both user-based and _____ security controls.

A

Resource-based

69
Q

True or False: S3 Glacier Deep Archive has a minimum storage duration of 90 days.

A

False

70
Q

Describe the use case for S3 One Zone-IA.

A

Storing non-critical, reproducible data in a single availability zone.

AWS CCP (19 decks)

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