A customer has a web application that uses cookie Based sessions to track logged in users It Is deployed on AWS using ELB and Auto Scaling The customer observes

that when load increases. Auto Scaling launches new Instances but the load on the easting Instances does not decrease, causing all existing users to have a sluggish experience.

Which two answer choices independently describe a behavior that could be the c

ause of the sluggish user experience? (Choose two.)

A. ELBs normal behavior sends requests from the same user to the same backend instance

B. ELBs behavior when sticky sessions are enabled causes ELB to send requests in the same session to the same back

end instance

C. A faulty browser is not honoring the TTL of the ELB DNS name.

D. The web application uses long polling such as comet or websockets. Thereby keeping a connection open to a web server tor a long time

E. The web application uses long polling s

uch as comet or websockets. Thereby keeping a connection open to a web server for a long time.