A DevOps Engineer Must Improve the Monitoring of a Finance

question 499

Multiple Choice

A DevOps Engineer must improve the monitoring of a Finance team payments microservice that handles transactions for an e-commerce platform. The microservice runs on multiple Amazon EC2 instances. The Finance team would like to know the number of payments per minute, and the team would like to be notified when this metric falls below a specified threshold. How can this be cost-effectively automated?

• A) Have the Development team log successful transactions to an application log. Set up Logstash on each instance, which sends logs to an Amazon ES cluster. Create a Kibana dashboard for the Finance team that graphs the metric.
• B) Have the Development team post the number of successful transactions to Amazon CloudWatch as a custom metric. Create a CloudWatch alarm when the threshold is breached, and use Amazon SNS to notify the Finance team.
• C) Have the Development team log successful transactions to an application log. On each instance, set up the Amazon CloudWatch Logs agent to send application logs to CloudWatch Logs. Use an EC2 instance to monitor a metric filter, and send notifications to the Finance team.
• D) Have the Development team log successful transactions to an application log. Set up the Amazon CloudWatch agent on each instance. Create a CloudWatch alarm when the threshold is breached, and use Amazon SNS to notify the Finance team.

Differentiating between felonies, misdemeanors, petty offenses, infractions, and federal crimes.

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Definitions:

Superclass

The class from which other classes inherit properties and methods in object-oriented programming.

Shape

In programming, particularly in graphics and design, an entity or object that represents a geometric figure.

Circle

A geometrical shape consisting of all points in a plane that are a certain distance from a given point, the center.

Square

In mathematics, a square refers to a polygon with four equal sides and four right angles. In programming, it often involves multiplying a number by itself.