A Company Runs a Web Service on Amazon EC2 Instances

question 67

Multiple Choice

A company runs a web service on Amazon EC2 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 four instances at all times to meet the required service level agreement (SLA) while keeping costs low. If an Availability Zone fails, 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.

---

Definitions:

Physical Commodity

Tangible goods that are traded, often used as inputs in the production of other goods or services, such as oil, gold, or wheat.

Precious Metal

A classification for metals that are considered rare and have a high economic value, such as gold, silver, and platinum.

Fiat Currencies

Currencies that have value primarily because of government regulation or law, rather than a physical commodity or asset backing them.

Electronic Currencies

Digital or online forms of currency that enable the execution of financial transactions via the internet, without the need for physical money.