Railties provide a framework for adding email services to Ruby on Rails applications, enabling applications to send email and receive email.

Answer the following questions true (T) or false (F)

1. A friend class is made to further a sense of community among the students. 2. A tree is a recursive structure.

The _______________ mechanism is an infrastructure-level mechanism that represents any program capable of collecting IT resource usage data, whereas the _______________ is a specialized variation of the _______________ that is dedicated to collecting usage data for auditing purposes.

a. cloud usage monitor, pay-per-use monitor, cloud usage monitor b. automated scaling listener, load balancer, automated scaling listener c. cloud usage monitor, audit monitor, cloud usage monitor d. automated scaling listener, audit monitor, automated scaling listener