Briefing Amazon Knowledge

Which recommendations can help ensure load-testing HTTP…

A startup s photo-sharing site is deployed in a VPC. An ELB distributes web traffic across two subnets. ELB
session stickiness is configured to use the AWS-generated session cookie, with a session TTL of 5 minutes.
The webserver Auto Scaling Group is configured as: min-size=4, max-size=4.
The startups preparing for a public launch, by running load-testing software installed on a single EC2 instance
running in us-west-2
After 60 minutes of load-testing, the webserver logs show:

Which recommendations can help ensure load-testing HTTP requests are evenly distributed across the four
webservers? (Choose two.)

A.
Launch and run the load-tester EC2 instance from us-east-1 instead.

B.
Re-configure the load-testing software to re-resolve DNS for each web request.

C.
Use a 3rd-party load-testing service which offers globally-distributed test clients.

D.
Configure ELB and Auto Scaling to distribute across us-west-2a and us-west-2c.

E.
Configure ELB session stickiness to use the app-specific session cookie.