Why is it recommended to use the awsvpc network mode with Fargate tasks when integrating with an ALB?

hard📝 Conceptual Q10 of 15

AWS - ECS and Fargate

ABecause awsvpc assigns each task its own elastic network interface, simplifying security and load balancing.

BBecause awsvpc disables all network traffic except ALB traffic.

CBecause awsvpc allows tasks to share the host network interface.

DBecause awsvpc automatically creates target groups for ECS services.

Step-by-Step Solution

Solution:

Step 1: Understand awsvpc network mode
awsvpc mode assigns each ECS task its own network interface with private IP, improving isolation and security.
Step 2: Benefits for ALB integration
This allows ALB to target tasks directly by IP, simplifying routing and security group management.
Final Answer:
Because awsvpc assigns each task its own elastic network interface, simplifying security and load balancing. -> Option A
Quick Check:
awsvpc mode = task-level ENI for ALB [OK]

Quick Trick: awsvpc mode gives each task its own network interface [OK]

Common Mistakes:

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