Platform-Developer-II Free Practice Test

- (Exam Topic 3)
As part of a new integration, a developer is asked to implement a new custom search functionality that is capable of performing unrestricted queries and can account for all values within a custom picklist field, type z, on the Opportunity object. The search feature must also account for NULL values.
The organization-wide default for the Opportunity object is set to Public Read-Only, and a new custom index has.
been created for the Type__c field. There are more than 5 million Opportunity records within the environment. and a considerable amount of the existing records have NULL values for the picklist
Which technique should the developer implement to maximize performance when querying NULL values?

1. A. Create a formula field that substitutes NULL values for a string of text, create an index for the formula field, then use the formula within the WHERE clause.
2. B. Perform two SOQL queries; one to query Opportunities where Type__c - NULL, and another to query where Type_: - HBLL, then join the result set using Apex.
3. C. Use a SOSL query to return ALL opportunities that have a value of NULL in any field.
4. D. Use the OS operator to combine WHERE clauses to strictly search for each value within the picklist, including Type__c ‘ NULL.

Correct Answer: B

- (Exam Topic 1)
What is the correct order of execution for Visualforce Page "get" requests (initial page visit)?

1. A. Evaluate constructors on controller and extensions2) If there's a <apex:form> element, create the view state3) Evaluate expressions, <apex:page> attribute actions, and other method calls (getters/setters) on main page4) Evaluate constructors, extensions, and expression on attribute definitions on any custom components present5) Send HTML to Browser
2. B. Evaluate constructors, extensions, and expression on attribute definitions on any custom components present2) Evaluate constructors on controller and extensions3) Evaluate expressions, attribute actions, and other method calls (getters/setters) on main page4) If there's a element, create the view state5) Send HTML to Browser
3. C. Evaluate constructors on controller and extensions2) Evaluate constructors, extensions, and expression on attribute definitions on any custom components present3) Evaluate expressions, attribute actions, and other method calls (getters/setters) on main page4) If there's a element, create the view state5) Send HTML to Browser

Correct Answer: C

- (Exam Topic 1)
Which statement is true regarding both Flow and Lightning Process? (Choose two.)

1. A. Can use Apex methods with the @lnvocableMethod annotation
2. B. Are both server-side considerations in the Order of Execution
3. C. Can use Apex that implements the Process.Plugin interface
4. D. Are able to be embedded directly into Visualforce pages

Correct Answer: AC

- (Exam Topic 2)
A company manages information about their product offerings in custom objects named Catalog and Catalog Item. Catalog Item has a master-detail field to Catalog, and each Catalog may have as many as 100,000 Catalog Items.
Both custom objects have a CurrencylsoCode Text field that contains the currency code they should use. If a Catalog's CurrencylsoCode changes, all of its Catalog Items' CurrencylsoCodes should be changed as well.
What should a developer use to update the CurrencylsoCodes on the Catalog Items when the Catalog's CurrencylsoCode changes^5

1. A. An after insert trigger on Catalog that updates the Catalog Items if the Catalog's CurrencylsoCode is different
2. B. An after insert trigger on Catalog Item that updates the Catalog Items if the Catalog's CurrencylsoCode is different
3. C. A Database.Schedulable and Database.Batchable class that queries the Catalog object and updates the Catalog Items if the Catalog CurrencylsoCode is different
4. D. A Database.Schedulable and Database.Batchable class that queries the Catalog Item object and updates the Catalog Items if the Catalog CurrencylsoCode is different

Correct Answer: D

- (Exam Topic 1)
Line 1 public class AttributeTypes Line 2 { Line 3 private final String[] arrayItems; Line 4 Line 5
@AuraEnabled Line 6 public List getStringArray() { Line 7 Strings+ arrayItems = new String*+, 'red', 'green', 'blue' -; Line 8 return arrayItems; Line 9 } Line 10 } Consider the Apex controller above that is called from a Lightning Aura Component. What is wrong with it?

1. A. Line 1: class must be global
2. B. Lines 1 and 6: class and method must be global
3. C. Line 6: method must be static
4. D. Line 8: method must first serialize the list to JSON before returning

Correct Answer: C