What is a key attribute of cloud services?

Refer to the exhibit.

Your company recently negotiated several contracts with new customers to use its proprietary eCommerce system. As a result, the customer base has grown rapidly, which has introduced several challenges and requirements.
Business requirements:
- Applications need to scale quickly
- Metrics and reporting to anticipate business trends and efficient use of resource
- External customers are looking to license the eCommerce application
Other considerations:
- Applications need to be recorded for the public cloud
- Address security vulnerabilities for customer data in the cloud
Refer to Case 1.
You are designing the application development platform for the cloud and are considering using a PaaS Solution. You must ensure that monitoring is included in the platform.
Which key metrics need to be available from the PaaS Solution that you select?

A company has the following requirements:
- Modular building blocks
- Scalability
- In-house management solution
- No physical SAN
What type of infrastructure would meet these requirements?

Which component of a cloud reference architecture is responsible for managing resource provisioning, scaling, and load balancing?

What is a fundamental requirement for a cloud-based application development environment?