Compute Platforms

Amazon ECR** — managed Docker registry. Backed by S3. IAM controls access. Supports vulnerability scanning.

Units

Practice questions

Generated from this module’s study material.

1. Which of the following statements is accurate based on the Compute Platforms study material?

RPO (Recovery Point Objective) — how much data loss is acceptable. "We can lose up to 1 hour of data."Millisecond NoSQL at any scale → DynamoDBEC2 directly: NACL deny rule (best option at subnet level) or security group deny (SG is allow-only, so configure to not allow that IP) + optional firewall software on EC2.Disk (/tmp): 512 MB – 10 GB

2. Which of the following statements is accurate based on the Compute Platforms study material?

ALB routing: URL path (/users, /posts), hostname, query strings, headers. Target groups can be EC2 instances, ECS tasks, Lambda functions, IP addresses.Managed: automated provisioning, OS patching, continuous backups, monitoring dashboards.S3 Pre-Signed URLs — generate URLs granting temporary access for GET or PUT. The URL holder inherits the permissions of the user who generated it. Expires in 1 min to 12 hours (Console) or up to 7 days (CLI).Endpoint types: Edge-optimized (default, routed through CloudFront PoPs), Regional (same-region clients), Private (VPC only via ENI).

How to use this

Open a unit and mark it complete when you are ready to move on.

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