When Designing a Typical Three-Tier Web Application, Which AWS Services

question 687

Multiple Choice

When designing a typical three-tier web application, which AWS services and/or features improve availability and reduce the impact failures? (Choose two.)

• A) AWS Auto Scaling for Amazon EC2 instances
• B) Amazon VPC subnet ACLs to check the health of a service
• C) Distributed resources across multiple Availability Zones
• D) AWS Server Migration Service (AWS SMS) to move Amazon EC2 instances into a different Region
• E) Distributed resources across multiple AWS points of presence

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Definitions:

Input Functions

The tasks or operations a system is designed to accept and process, often referring to software or electronic device inputs.

Touch Pad

A touch-sensitive interface used as an input device for computers and other electronic devices, allowing users to control and navigate by touch.

Mouse

A hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad.

PID

Stands for Proportional-Integral-Derivative, a control loop feedback mechanism widely used in industrial control systems to regulate temperature, flow, pressure, speed, and other variables.