AWS Certified Data Analytics Specialty 2021 – Hands-On - S3 Security: Bucket Policy

The video tutorial covers various security aspects of AWS S3, including user-based and resource-based security, IAM policies, and S3 bucket policies. It explains how to manage access through JSON-based policies, block public access, and use VPC endpoints for private access. The tutorial also discusses logging, MFA delete, and presigned URLs for secure data management.

What is the primary function of IAM policies in AWS?

• To manage billing alerts

• To authorize API calls

• To monitor network traffic

• To encrypt data at rest

Which of the following is a key feature of S3 bucket policies?

• They are written in XML format

• They can only be applied to individual objects

• They allow cross-account access

• They automatically encrypt data

What is a common use case for S3 bucket policies?

• To grant public access to buckets

• To enable automatic backups

• To reduce storage costs

• To increase data transfer speed

What is the purpose of the 'Block Public Access' settings in S3?

• To enhance data encryption

• To prevent unauthorized public access

• To improve data transfer rates

• To enable cross-region replication

Why were the 'Block Public Access' settings introduced?

• To enhance encryption methods

• To improve user experience

• To prevent data leaks

• To reduce storage costs

How can EC2 instances access S3 privately?

• Through VPN connections

• Using VPC endpoints

• Via public internet

• By enabling CloudFront

What is a presigned URL used for in AWS S3?

• To permanently delete objects

• To monitor API usage

• To provide temporary access to objects

• To encrypt data at rest