A Developer Is Trying to Monitor an Application's Status by Running

question 9

Multiple Choice

A Developer is trying to monitor an application's status by running a cron job that returns 1 if the service is up and 0 if the service is down. The Developer created code that uses an AWS CLI put-metric-alarm command to publish the custom metrics to Amazon CloudWatch and create an alarm. However, the Developer is unable to create an alarm as the custom metrics do not appear in the CloudWatch console. What is causing this issue?

• A) Sending custom metrics using the CLI is not supported.
• B) The Developer needs to use the put-metric-data command.
• C) The Developer must use a unified CloudWatch agent to publish custom metrics.
• D) The code is not running on an Amazon EC2 instance.

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Definitions:

Cashier's Check

A check issued by a bank, drawn from its own funds and signed by a cashier, considered very secure as it guarantees the available amount of cash.

Paying

The act of giving money, goods, or other forms of value in exchange for an item, service, or to fulfill an obligation.

Debt

An amount of money borrowed by one party from another, often with the condition of repayment with additional interest.

Promissory Note

A written, legally binding promise to pay a specified sum of money to a designated party on demand or at a defined future date.