salesforce:

15.Which tool allows a developer to send requests to the salesforce REST APIs ad view the responses?

A. Developer Console REST tab

B. REST resource Path URL

C. Workbench Rest Explorer

D. Force.com IDE REST Explorer Tab

17. A developer working on a time management application wants to make total hours for each timecard available to application user. A timecard entry has a Master- Detail relationship to a timecard. Which approach should the developer use to accomplish this declaratively?

A. A roll-up Summary field on the Timecard Object that calculates the total hours from timecard entries for that timecard

B. A process builder process that updates a field on the timecard when a timecard entry is created

C. An apex trigger that sues an aggregate query to calculate the hours for a given timecard and stores it in a custom field.

D. A visualforce page that calculates the total number of hours for a timecard and displays it on the page.