A Company Runs a Web Service on Amazon CC2 Instances

question 570

Multiple Choice

A company runs a web service on Amazon CC2 instances behind an Application Load Balancer. The instances run in an Amazon EC2 Auto Scaling group across two Availability Zones. The company needs a minimum of tour instances a! all limes to meet the required service level agreement (SLA) while keeping costs low. If an Availability Zone tails, how can the company remain compliant with the SLA?

• A) Add a target tracking scaling policy with a short cooldown period.
• B) Change the Auto Scaling group launch configuration to use a larger instance type
• C) Change the Auto Scaling group to use six servers across three Availability Zones
• D) Change the Auto Scaling group to use eight servers across two Availability Zones

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Definitions:

Pure Monopolist

A market situation where a single seller controls all the supply of a product or service with no close substitutes.

Imperfectly Competitive

Describes market structures that do not meet the conditions of perfect competition, often characterized by the presence of market power held by firms.

Nondiscriminating Monopolist

A monopolist that charges a single price for all units of a product sold, rather than engaging in price discrimination among different consumers.

Perfectly Elastic

Perfectly elastic describes a situation in which the quantity demanded or supplied can change infinitely in response to any change in price.