Metadata is described as which of the following?

A company decided to move an event-driven application, which processes complex data, to the public cloud. The current datacenter is becoming expensive to maintain because the application only runs when an event occurs and is idle most of the time. The scale and complexity of the events vary.
Which of the following is the MOST optimal solution?

A company that provides cloud-based storage services allows user authentication using third-party social network credentials. Which of the following should be implemented to accomplish this task?

A cloud administrator is deploying a memory-intensive, three-tier web application with a database back end to one server in an IaaS cloud platform. The minimum application memory requirements are as follows:
RAM for Web Service Role: 1024MB
RAM for Application Service Role: 2048MB
RAM for Database Service Role: 4192MB
Configuration requirements state that web content should be separated from the operating system on another drive. Given this scenario, which of the following is the minimum amount of RAM required in GB and what is the most optimal logical volume design to BEST meet these requirements? (Choose two.)

A recent advertisement campaign has increased traffic to an e-commerce application that is hosted within a public cloud environment. Customers are reporting that it takes too long to load their pages and submit orders. A cloud administrator looks at the metrics from the environment and sees high utilization of the CPU and memory resources. The cloud provider offers several preconfigured sizes for server template: x- small, small, medium, large, x-large, and 2x-large.

Given an expected increase in workload, which of the following is the BEST solution to improve application performance?