Salesforce Salesforce Certifications PDI Questions & Answers

• Question 451:

  How can a developer avoid exceeding governor limits when using Apex Triggers? (Choose 2)

  A. By using a helper class that can be invoked from multiple triggers

  B. By using Maps to hold data from query results

  C. By using the Database class to handle DML transactions

  D. By performing DML transactions on a list of sObjects.

  Correct Answer: BD

• Question 452:

  Which action can a developer take to reduce the execution time of the following code? List allaccounts = [select id from account]; list allcontacts = [select id, accountid from contact]; for (account a :allaccounts){ for (contact c:allcontacts){ if(c.accountid = a.id){ //do work } } }

  A. Use a map for allaccounts

  B. Add a group by clause to the contact SOQL

  C. Put the account loop inside the contact loop

  D. Create an apex helper class for the SOQL

  Correct Answer: A

• Question 453:

  A platform developer needs to implement a declarative solution that will display the most recent closed won date for all opportunity records associated with an account. Which field is required to achieve this declaratively?

  A. Roll-up summary field on the opportunity object

  B. Cross-object formula field on the account object

  C. Roll-up summary field on the account object

  D. Cross-object formula field on the opportunity object

  Correct Answer: C

• Question 454:

  Which control statement should a developer use to ensure that a loop body executes at least once?

  A. For(variable : list_or_set){}

  B. While (condition){}

  C. For(init_stmt;exit_cond;increment){}

  D. Do {} while (cond)

  Correct Answer: D

• Question 455:

  Candidates are reviewed by four separate reviewers and their comments and scores which range from 1 (lowest) to 5 (highest) are stored on a review record that is a detail record for a candidate what is the best way to indicate that a combined review score of 15 of better is required to recommend that the candidate come in for an interview?

  A. Use a validation rule on a total score field on the candidate record that prevents a recommended field from being true if the total score is less than 15

  B. Use a workflow rule to calculate the sum of the review scores and send an email to the hiring manager when the total is 15 or better

  C. Use visual workflow to set a recommended field on the candidate whenever the cumulative

  D. Use a rollup summary field to calculates the sum of the review scores, and store this in a total score field on the candidate

  Correct Answer: B

• Question 456:

  Which feature allows a developer to create test records for use in test classes?

  A. Static resources

  B. Documents

  C. Httpcalloutmocks

  D. Webservicetests

  Correct Answer: D

• Question 457:

  What can used to delete components from production?

  A. A change set deployment with the delete option checked

  B. An ant migration tool deployment with destructivechanges xml file and the components to delete in the package .xml file

  C. A change set deployment with a destructivechanges XML file D. An ant migration tool deployment with a destructivechanges XML file and an empty package .xml file

  Correct Answer: D

• Question 458:

  Which three methods help ensure quality data?

  A. Create a lookup filter

  B. Adding an error to a field in before trigger

  C. Sending an email alert using a workflow rule

  D. Handling an exception in Apex

  E. Adding a validation rule

  Correct Answer: ACE

• Question 459:

  While writing a test class that covers an OpportunityLineItem trigger, a Developer is unable to create a standard Pricebook since one already exist in the org.

  How should the developer overcome this problem?

  A. Use @IsTest(SeeAllData=true) and delete the existing standard Pricebook.

  B. Use @TestVisible to allow the test method to see the standard Pricebook.

  C. Use Test.getStandardPricebbokId()to get the standard Pricebook ID.

  D. Use Test.loaddata() and a Static Resource to load a standard Pricebook

  Correct Answer: C

• Question 460:

  Which three data types can be returned from an SOQL statement?

  A. Boolean

  B. List of objects

  C. String

  D. Integer

  E. Single object

  Correct Answer: BDE