A Company Is Building a Website That Relies on Reading

question 84

Multiple Choice

A company is building a website that relies on reading and writing to an Amazon DynamoDB database. The traffic associated with the website predictably peaks during business hours on weekdays and declines overnight and during weekends. A solutions architect needs to design a cost-effective solution that can handle the load. What should the solutions architect do to meet these requirements?

• A) Enable DynamoDB Accelerator (DAX) to cache the data.
• B) Enable Multi-AZ replication for the DynamoDB database.
• C) Enable DynamoDB auto scaling when creating the tables.
• D) Enable DynamoDB On-Demand capacity allocation when creating the tables.

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Definitions:

Renin-Angiotensin

The renin-angiotensin system is a hormone system that regulates blood pressure and fluid balance in the body.

ADH Secretion

ADH secretion involves the release of antidiuretic hormone, also known as vasopressin, from the pituitary gland which helps regulate water balance in the body.

Carotid Sinuses

Dilated areas at the base of the internal carotid artery and the bifurcation of the common carotid artery which contain baroreceptors that help regulate blood pressure.

Blood Pressure

The force exerted by circulating blood against the walls of the body's arteries.