Salesforce Certified Platform Developer II - Multiple Choice : Plat-Dev-301

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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. Refer to the component code and requirements below:

Requirements: 1. For mobile devices, the information should display in three rows. 2. For desktops and tablets, the information should display in a single row. Requirement 2 Is not displaying as desired. Which option has the correct component code to meet the requirements for desktops and tablets? A)

B)

C)

D)

A) Option
B) Option A
C) Option C
D) Option B

2. A Visuzlforce page loads slowly due to the large amount of data it displays.
Which strategy can a developer use to improve the performance?

A) Use Javascript to move data processing to the browser instead of the controller.
B) Use lazy loading to load the data on demand, instead of in the controller's constructor.
C) Use an <apex:actionPollar) in the page to load all of the data asynchronously.
D) Use the transient keyword for the List variables used in the custom controller.

3. A developer created an Opportunity trigger that updates the account rating when an associated opportunity is considered high value. Current criteria for an opportunity to be considered high value is an amount greater than or equal to $1,000,000. However, this criteria value can change over time.
There is a new requirement to also display high value opportunities in a Lightning web component.
Which two actions should the developer take to meet these business requirements, and also prevent the business logic that obtains the high value opportunities from being repeated in more than one place?
Choose 2 answers

A) Leave the business logic code inside the trigger for efficiency.
B) Call the trigger from the Lightning web component.
C) Create a helper class that fetches the high value opportunities,
D) Use custom metadata to hold the high value amount.

4. An Apex trigger creates a Contract record every time an Opportunity record is marked as Closed and Won. This trigger is working great, except (due to a recent acquisition) historical Opportunity records need to be loaded into the Salesforce instance.
When a test batch of records are loaded, the Apex trigger creates Contract records.
A developer is tasked with preventing Contract records from being created when mass loading the Opportunities, but the daily users still need to have the Contract records created.
'What is the most extendable way to update the Apex trigger to accomplish this?

A) Use a hierarchy custom setting to skip executing the logic inside the trigger for the user who loads the data.
B) Add a validation rule to the Contract to prevent Contract creation by the user who loads the data.
C) Use a list custom setting ta disable the trigger for the user who loads the data.
D) Add the Profile ID of the user who loads the data to the trigger, so the trigger will not fire for this user.

5. A developer created a Lightning web component for the Account record page that displays the five most recently contacted Contacts for an Account. The Apex method, Contacts, returns a list of Contacts and will be wired to a property in the component.

Which two lines must change in the above code to make the Apex method able to be wired? Choose 2 answers

A) Add @AuraEnabled {cacheable=true) to line 03.
B) Add @AuraEnabled {cacheable=trues) to line 08.
C) Add public to line 04.
D) Remove private from line 09.

Solutions: