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Salesforce Plat-Dev-301 Exam Syllabus Topics:

Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. Universal Containers develops a Salesforce application that requires frequent interaction with an external REST API.
To avoid duplicating code and improve maintainability, how should they implement the APL integration for code reuse?

A) Store the APT integration code as a static resource and reference it in each Apex class.
B) Use a separate Apex class for each API endpoint to encapsulate the integration logic,
C) Create a reusable Apex class for the AFL integration and invoke it from the relevant Apex classes.
D) Include the API integration code directly in each Apex class that requires it.

2. A company recently deployed a Visualforce page with a custom controller that has a data grid of information about Opportunities in the org. Users report that they receive a "Maximum view state size limit" error message under certain conditions.
According to Visualforce best practice, which three actions should the developer take to reduce the view state?
Choose 3 answers

A) Refine any SOQL queries to return only data relevant to the page.
B) Use the transient keyword in the Apex controller for variables that do not maintain state.
C) Use the private keyword in the controller for variables,
D) Use the final keyword in the controller for variables that will not change.
E) Use filters and pagination to reduce the amount of data.

3. Consider the queries in the options below and the following Information:
* For these queries, assume that there are more than 200,000 Account records.
* These records Include soft-deleted records; that is, deleted records that are still in the Recycle Bin.
* There are two fields that are marked as External Id on the
Account. These fields are customer_Number_c and ERR_Key_ s.
Which two queries are optimized for large data volumes?
Choose 2 answers

A) SELECT ID FROM Account WHRE id IN :aListVariable
B) SELECT 1d FROM Accounts WHERE Name != 'AND Customer_Number_c- "ValueA'
C) SELECT Id FROM Account WHERE Name !- NULL
D) SELECT Id FROM Account WHERE Name != ' 'AND IsDeleted = false

4. A developer created and tested a Visualforce page in their developer sandbox, but now receives reports that user encounter view state errors when using it in production.
What should the developer ensure to correct these errors?

A) Ensure queries do net exceed governor limits,
B) Ensure profiles have access to the Visualforce page.
C) Ensure variables are marked as transient.
D) Ensure properties are marked as private,

5. Refer to the code snippet below:

A custom object called Credit_Memo__c exists in a Salesforce environment. As part of a new feature development that retrieves and manipulates this type of record, the developer needs to ensure race conditions are prevented when a set of records are modified within an Apex transaction. In the preceding Apex code, how can the developer alter the query statement to use SOQL features to prevent race conditions within a transaction? A)

B)

C)

D)

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

Solutions: