Exam Pro Cheat Sheets Flashcards
How does S3 provide high availability?
Replicate data across at least 3 AZs
What size can S3 objects be?
Between 0 Bytes and 5 Terraytes
True or False; S3 Bucket names must be unique across all accounts?
True
What is used to automatically move S3 objects between storage classes and automatically delete based on a schedule?
Lifecycle Managment
True or False; S3 MFA delete requires versioning to be turned on?
True
True or False; you can turn off versioning on S3?
False; once versioning is turned on it cannot be turned off, only suspended
True or False; all new S3 Buckets are private by default?
True
Two ways access is controlled in S3 Buckets?
- Bucket Policies
- Access Control Lists (ACL) (LEGACY)
How are Bucket Policies defined?
Using JSON documents
What is security in transit (S3)?
Uploading files over SSL
What does SSE stand for?
Server Side Encryption
What are the 3 options for S3 server side encryption?
- SSE-AES
- SSE-KMS
- SSE-C
True or False; for CRR in S3, you must have versioning turned on in the source and destination bucket?
True
True or False; using CRR in S3, you can replicate to a bucket in another AWS account?
True
What S3 option provides faster and secure uploads from anywhere in the world using a distinct URL and an Edge Location?
Transfer Acceleration
What are commonly used to access private S3 objects?
Presigned URLs
What 2 ways can you use to generate S3 presigned URLs?
- AWS CLI
- AWS SDK
What provides temporary access to write or download object data in S3
Presigned URLs
6 different S3 storage classes
- Standard
- Intelligent Tiering
- Standard Infrequent Access
- Infrequent Access One Zone
- Glacier
- Glacier Deep Archive
Which S3 tier should you use if you access your files less than once a month?
Standard Infrequently Accessed
What availability is S3 One Zone IA?
99.5%
How long is data retrieval for Glacier?
Minutes to hours
How long is data retrieval for Glacier Deep Archive?
12 hours
What size does Snowballs come in?
- 50TB
- 80TB