The Development team wants to store license keys for legacy software in an encrypted format. Sysops Team is planning to use AWS Systems Manager Parameter Store for this purpose. Junior Sysops engineer is looking for your suggestion to use AWS Systems Manager Parameter Store.
Which parameter is best suited to be used for this requirement?

Answer options:

A.Use String parameters to store value in AWS Systems Manager Parameter Store.
B.Use StringList parameter to store value in AWS Systems Manager Parameter Store.
C.Use SecureString parameter to store value in AWS Systems Manager Parameter Store.
D.Use SecureMetric parameter to store value in AWS Systems Manager Parameter Store.

Correct Answer: C
AWS Systems Manager Parameter Store provides support for three types of parameters,
String: Stores data in plain text format.
StringList: Used for data in comma-separated values.
SecureString: For storing data in an encrypted format.
Option A is incorrect as the String parameter saves values in plain text & not in an encrypted format.
Option B is incorrect as the StringList parameter is used to store comma-separated values.
Option D is incorrect as the SecureMetric parameter is an invalid parameter to store values.
For more information on AWS Systems Manager Parameter Store, refer to the following URL,
https://docs.aws.amazon.com/systems-manager/latest/userguide/systems-manager-parameter-store.html