What must happen before a user can access the API?

Select which is NOT true about Custom Objects:

Which of the following is a property of sObject?

Any method which belongs to Describe Calls:

A user is able to login to the Salesforce via:

Currently there are two UI themes, “Salesforce” and “Salesforce Classic.” How could you figure out which theme is enabled?

In Salesforce, which of the following options is NOT available in the drop-down menu 'More', under the tab 'Chatter'?

The following is a VisualForce code snippet:

You have to show the Firstname of the logged in user through a VisualForce page. Which of the following code snippets is correct for achieving the above result?

What is the description of the Lead object?

Which of the following Typographical Conventions is used to represent variables in Apex?