Download Salesforce Certified Platform Developer I.CRT-450.Prep4Sure.2018-09-12.28q.vcex

Vendor: Salesforce
Exam Code: CRT-450
Exam Name: Salesforce Certified Platform Developer I
Date: Sep 12, 2018
File Size: 68 KB
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Demo Questions

Question 1
Which two Apex data types can be used to reference a Salesforce record ID dynamically? (Choose two.) 
  1. ENUM
  2. sObject
  3. External ID
  4. String
Correct answer: AD
Question 2
Where can a developer identify the time taken by each process in a transaction using Developer Console log inspector?
  1. Performance Tree tab under Stack Tree panel
  2. Execution Tree tab under Stack Tree panel
  3. Timeline tab under Execution Overview panel
  4. Save Order tab under Execution Overview panel
Correct answer: C
Explanation:
Question 3
A developer working on a time management application wants to make total hours for each timecard available to application users. A timecard entry has a Master-Detail relationship to a timecard. 
Which approach should the developer use to accomplish this declaratively?
  1. A Visualforce page that calculates the total number of hours for a timecard and displays it on the page
  2. A Roll-Up Summary field on the Timecard Object that calculates the total hours from timecard entries for that timecard
  3. A Process Builder process that updates a field on the timecard when a timecard entry is created
  4. An Apex trigger that uses an Aggregate Query to calculate the hours for a given timecard and stores it in a custom field
Correct answer: B
Question 4
A developer encounters APEX heap limit errors in a trigger. 
Which two methods should the developer use to avoid this error? (Choose two.)
  1. Use the transient keyword when declaring variables.
  2. Query and store fields from the related object in a collection when updating related objects.
  3. Remove or set collections to null after use.
  4. Use SOQL for loops instead of assigning large queries results to a single collection and looping through the collection.
Correct answer: AD
Question 5
Which approach should be used to provide test data for a test class?
  1. Query for existing records in the database. 
  2. Execute anonymous code blocks that create data.
  3. Use a test data factory class to create test data.
  4. Access data in @TestVisible class variables.
Correct answer: C
Question 6
A Visualforce page is required for displaying and editing Case records that includes both standard and custom functionality defined in an Apex class called myControllerExtension. 
The Visualforce page should include which <apex:page> attribute(s) to correctly implement controller functionality?
  1. controller=“Case” and extensions=“myControllerExtension” 
  2. extensions=“myControllerExtension”
  3. controller=“myControllerExtension”
  4. standardController=“Case” and extensions=“myControllerExtension”
Correct answer: D
Question 7
A newly hired developer discovers that there are multiple triggers on the case object. 
What should the developer consider when working with triggers? 
  1. Developers must dictate the order of trigger execution.
  2. Trigger execution order is based on creation date and time.
  3. Unit tests must specify the trigger being tested.
  4. Trigger execution order is not guaranteed for the same sObject.
Correct answer: D
Question 8
How should a developer prevent a recursive trigger?
  1. Use a “one trigger per object” pattern.
  2. Use a static Boolean variable.
  3. Use a trigger handler.
  4. Use a private Boolean variable.
Correct answer: D
Question 9
Which three options can be accomplished with formula fields? (Choose three.)
  1. Generate a link using the HYPERLINK function to a specific record.
  2. Display the previous value for a field using the PRIORVALUE function.
  3. Determine if a datetime field value has passed using the NOW function.
  4. Return and display a field value from another object using the VLOOKUP function.
  5. Determine which of three different images to display using the IF function.
Correct answer: ACE
Question 10
What is a capability of the <ltng:require> tag that is used for loading external Javascript libraries in Lightning Component? (Choose three.)
  1. Loading files from Documents.
  2. One-time loading for duplicate scripts.
  3. Specifying loading order.
  4. Loading scripts in parallel.
  5. Loading externally hosted scripts.
Correct answer: BCD
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