PD2 practice questions 11–20

1. Question 11 · 279 in bank

   A developer has the following requirements: Calculate the total amount on an Order Calculate the line amount for each Line Item based on quantity selected and price Move Line Items to a different Order if a Line Item is not in stock Which relationship implementation supports these requirements on its own?

   • AA Line Item has a re-parentable lookup field to Order.
   • BOrder has a re-parentable lookup field to Line Item.
   • COrder has a re-parentable master-detail field to Line Item.
   • DLine Item has a re-parentable master-detail field to Order.

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   Answer: D

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2. Question 12 · 279 in bank

   A developer has written the following method: static void processList(List<sobject> input){ Which code block can be used to call the method?

   • AprocessList (acc)
   • BprocessList ([FIND 'Acme" 'RETURNING Account])
   • CprocessList([SELECT Id, Name FROM sObject WHERE Type = 'Account'])
   • Dfor Account acc : [SELECT Id, Name FROM Account])

   Show answer

   Answer: D

   Explanation

   Correct Answer D, sObject is not supported on queries. the SOSL query returns a list of list of sObject so it cannot be the right answer.

   Source: Adapted from community discussion — nibbio

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3. Question 13 · 279 in bank

   Refer to the following Apex code:

   

   What is the value of x when it is written to the debug log?

   • A0
   • B1
   • C3
   • D2

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   Answer: D

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4. Question 14 · 279 in bank

   Select 2

   A developer needs to design a custom object that will be integrated into a back-end system. What should the developer do to ensure good data quality and to ensure that data imports, integrations, and searches perform well? (Choose two.)

   • AConfigure a custom field as unique
   • BConfigure a custom field as indexed
   • CConfigure a custom field as external ID
   • DConfigure a custom field as Salesforce ID

   Show answer

   Answer: AC

   References

   • Salesforce Help

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5. Question 15 · 279 in bank

   Select 2

   Assuming that name is a String obtained by an <apex:inputText> tag on a Visualforce page, which two SOQL queries performed are safe from SOQL injection? (Choose two.)

   • AString query = ‘SELECT Id FROM Account WHERE Name LIKE \‘%’ + name ‘%\’’; List<Account> results = Database.query(query);
   • BString query = ‘SELECT Id FROM Account WHERE Name LIKE \‘%’ + name.noQuotes() + ‘%\’’; List<Account> results = Database.query(query);
   • CString query = ‘SELECT Id FROM Account WHERE Name LIKE \‘%’+ String.escapeSingleQuotes(name) + ‘%\’’; List<Account> results = Database.query(query);
   • DString query = ‘%’ + name + ‘%’ List<Account> results = [SELECT Id FROM Account WHERE Name LIKE :query];

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   Answer: CD

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6. Question 16 · 279 in bank

   A developer encounters an error that states that the Apex heap size is exceeded. Which technique may reduce heap size?

   • AAdd the transient keyword to the variable definition
   • BMove the variable definition inside the scope of the function
   • CUse static variables instead of instance variables
   • DUse SOQL for loops instead of standard SOQL queries

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   Answer: D

   References

   • Salesforce Help
   • Salesforce Help

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7. Question 17 · 279 in bank

   A credit card company needs to implement the functionality for a service agent to process damaged or stolen credit cards. When the customers call in, the service agent must gather many pieces of information. A developer is tasked to implement this functionality. What should the developer use to satisfy this requirement in the most efficient manner?

   • AScreen-based flow
   • BApproval process
   • CApex trigger
   • DLightning Component

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   Answer: A

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8. Question 18 · 279 in bank

   A developer has a Debug method within a class, which is invoked hundreds of times. What is the optimal functionality in the Developer Console to count the number of calls made to the method?

   • AThe "Execution Log" Panel
   • BThe "Execution Stack" Panel
   • CThe "Executed Units" tab under the Execution Overview Panel
   • DThe "Execution Tree" tab under the Stack Tree Panel

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   Answer: C

   References

   • Salesforce Help

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9. Question 19 · 279 in bank

   Select 2

   What are two characteristics related to formulas? (Choose two.)

   • AFormulas can reference themselves.
   • BFormulas are calculated at runtime and not stored in the database.
   • CFormulas can reference values in related objects.
   • DFields that are used in a formula field can be deleted or edited without editing the formula.

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   Answer: BC

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10. Question 20 · 279 in bank

    Select 2

    What is a consideration when testing batch Apex? (Choose two.)

    • ATest methods must execute the batch with a scope size of less than 200 records
    • BTest methods must call the batch execute() method once
    • CTest methods must use the @isTest (SeeAllData=true) annotation
    • DTest methods must run the batch between Test.startTest() and Test.stopTest()

    Show answer

    Answer: BD

    Explanation

    Answer: AD “Make sure that the number of records inserted is less than or equal to the batch size of 200 because test methods can execute only one batch. You must also ensure that the Iterable returned by the start method matches the batch size.”

    Source: Adapted from community discussion — amerbearat

    References

    • trailhead.salesforce.com documentation

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Keyboard:J Kmove between questionsA–Dselect an answerRshow or hide the answer← →change page

PD2 practice, question 11. 279 questions available.