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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. An environment has two Apex triggers: an after-update trigger on Account and an after-update trigger on Contact.
The Account after-update trigger fires whenever an Account's address is updated, and it updates every associated Contact with that address. The Contact after-update trigger fires on every edit, and it updates every Campaign Member record related to the Contact with the Contact's state.
Consider the following: A mass update of 200 Account records' addresses, where each Account has 50 Contacts. Each Contact has one Campaign Member. This means there are 10,000 Contact records across the Accounts and 10,000 Campaign Member records across the contacts.
What will happen when the mass update occurs?

A) There will be no error, since each trigger fires within its own context and each trigger does not exceed the limit of the number of records processed by DML statements.
B) The mass update of Account address will succeed, but the Contact address updates will fail due to exceeding number of records processed by DML statements.
C) There will be no error and all updates will succeed, since the limit on the number of records processed by DML statements was not exceeded.
D) The mass update will fail, since the two triggers fire in the same context, thus exceeding the number of records processed by DML statements.

2. A developer built an Aura component for guests to self-register upon arrival at a front desk kiosk. Now the developer needs to create a component for the utility tray to alert users whenever a guest arrives at the front desk.
What should be used?

A) Component Event
B) DML Operation
C) Changelog
D) Application Event

3. A developer is trying to decide between creating a Visualforce component or a Lightning component for a custom screen.
Which functionality consideration impacts the final decision?

A) Does the screen need to be accessible from the Lightning Experience UI?
B) Will the screen be accessed via a mobile app?
C) Will the screen make use of a JavaScript framework?
D) Does the screen need to be rendered as a PDF without using a thirdparty application?

4. A developer created a Lightning web component that uses a Lightning_record_edit_fom to collect Information about Leads. Users complain that they only see one error message at a time about their input when trying to save a Lead record.
Which best practice should the developer use to perform the validations on more than one held, thus allowing more than one error message to be displayed simultaneously?

A) Client_side validation
B) Apex REST
C) Next Best Action
D) Custom validation rules

5. Consider the controller code below that is called from an Aura component and returns data wrapped in a class.

The developer verified that the queries return a single record each and there is error handling in the Aura component, but the component is not getting anything back when calling the controller getSemeData. 'What is wrong?

A) Instances of Apex classes, such as MyDatsWrapper, cannot be returned to a Lightning component.
B) The member's Name and option should not be declared public.
C) The member's Name and option should not have getter and setter.
D) The member's Kame and option of the class MyDataWrapper should be annotated with @AuraEnabled also.

Solutions: