A Company Has a Three-Tier Stateful Web Application

question 908

Multiple Choice

A company has a three-tier stateful web application. The application is served through an Amazon CloudFront distribution with default configuration options and an Application Load Balancer (ALB) as the origin. Logged-in users get intermittently logged out and see inconsistent content. Which action should the company take to ensure a stable user experience during a session?

• A) Enable session affinity (sticky sessions) on the ALB. Configure CloudFront to forward all cookies to the origin.
• B) Restrict viewer access to signed cookies in CloudFront. Enable session affinity (sticky sessions) on the ALB.
• C) Switch from duration-based session affinity (sticky sessions) to application-controlled session affinity (sticky sessions) on the ALB.
• D) Configure the CloudFront TTL to be equal to or less than the ALB session duration.

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Definitions:

Patrilateral Parallel-cousin

A type of kinship relationship where children of a father's brother or a mother's sister are considered close relatives, often seen in cultures with strong patrilineal descent.

Parallel-cousin Marriage

A type of cousin marriage where individuals marry cousins from their parent's same sibling (e.g., two brothers' children or two sisters' children marrying each other).

Fraternal Polyandry

A form of marriage in which a woman is married to two or more men who are brothers, practiced in some cultures for economic and societal reasons.