A Customer Has a Web Application That Uses Cookie Based

question 499

Multiple Choice

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 have a sluggish experience. Which two answer choices independently describe a behavior that could be the cause of the sluggish user experience? (Choose two.)

• A) ELB's normal behavior sends requests from the same user to the same backend instance
• B) ELB's behavior when sticky sessions are enabled causes ELB to send requests in the same session to the same backend 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

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Definitions:

Price Floor

A government-imposed minimum price that can be charged for a commodity, above what would be set by market forces, to ensure that producers receive a minimum income.

Equilibrium Price

The price in the market where the amount of products offered matches the amount of products consumers want to buy.

Quota Rent

Quota Rent is the economic rent a producer earns from the difference between the domestic price and the world price due to a quota system limiting imports.

Demand Price

The highest price a consumer is willing to pay for a good or service.