A Company Designed a Stateless Two-Tier Application That Uses Amazon

question 580

Multiple Choice

A company designed a stateless two-tier application that uses Amazon EC2 in a single Availability Zone and an Amazon RDS Multi-AZ DB instance. New company management wants to ensure the application is highly available. What should a solutions architect do to meet this requirement?

• A) Configure the application to use Multi-AZ EC2 Auto Scaling and create an Application Load Balancer.
• B) Configure the application to take snapshots of the EC2 instances and send them to a different AWS Region.
• C) Configure the application to use Amazon Route 53 latency-based routing to feed requests to the application.
• D) Configure Amazon Route 53 rules to handle incoming requests and create a Multi-AZ Application Load Balancer.

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Definitions:

Hydrophobic Portions

Regions of a molecule that are repelled by water and tend to be nonpolar, often found in lipids and proteins.

Peripheral Membrane Proteins

Proteins that are attached either temporarily or permanently to the outer or inner surface of the cellular membrane, often involved in signaling or structural roles.

Integral Proteins

Proteins that are permanently attached to or span the membrane of cells, playing crucial roles in transport and signaling.

Plasma Membrane

The lipid bilayer membrane that encases a cell, providing structural support, protection, and the ability to communicate with the external environment.