What are three ways for 2 developer to execute tests in an org? Choose 3 answers

Universal Containers wants to back up all of the data and attachments in its Salesforce org once month. Which approach should a developer use to meet this requirement?

Universal Containers has a Visualforce page that displays a table of every Container_c. being ....... Is falling with a view state limit because some of the customers rent over 10,000 containers.
What should a developer change about the Visualforce page to help with the page load errors?

A developer is asked to create a Visualforce page that displays some Account fields as well as fields configured on the page layout for related Contacts.
How should the developer implement this request?

Universal Containers has a support process that allows users to request support from its engineering team using a custom object, Engineering_Support__c.
Users should be able to associate multiple engineering_Support__c records to a single Opportunity record.
Additionally, aggregate Information about the Engineering_support__c records should be shown on the Opportunity record.
What should a developer Implement to support these requirements?