A Read Only News Reporting Site with a Combined Web

question 99

Multiple Choice

A read only news reporting site with a combined web and application tier and a database tier that receives large and unpredictable traffic demands must be able to respond to these traffic fluctuations automatically. What AWS services should be used meet these requirements?

• A) Stateless instances for the web and application tier synchronized using ElastiCache Memcached in an autoscaimg group monitored with CloudWatch and RDS with read replicas.
• B) Stateful instances for the web and application tier in an autoscaling group monitored with CloudWatch and RDS with read replicas.
• C) Stateful instances for the web and application tier in an autoscaling group monitored with CloudWatch and multi-AZ RDS.
• D) Stateless instances for the web and application tier synchronized using ElastiCache Memcached in an autoscaling group monitored with CloudWatch and multi-AZ RDS.

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Definitions:

Cumulative Profit

The total profit earned over a specific period, calculated by sequentially adding all profit amounts from the start to the end of the period.

Probability

measures the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 means the event cannot happen and 1 means it is certain to happen.

Cumulative Net Profit

The total amount of profit after all expenses have been deducted, accumulated over a period of time.

Probability

The calculation of the probability of an event's occurrence, denoted by numbers between 0 and 1.