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最新的 Salesforce PDI PDI 免費考試真題 (Q176-Q181):

問題 #176
What is a key difference between a Master-Detail Relationship and a Lookup Relationship?

A. A Lookup Relationship is a required field on an object.
B. When a record of a master object in a Lookup Relationship is deleted, the detail records are also deleted.
C. A Master-Detail Relationship detail record inherits the sharing and security of its master record.
D. When a record of a master object in a Master-Detail Relationship is deleted, the detail records are kept and not deleted.

答案：C

問題 #177
Which type of code represents the Controller in MVC architecture on the Force.com platform? (Choose 2)

A. JavaScript that is used to make a menu item display itself.
B. A static resource that contains CSS and images.
C. StandardController system methods that are referenced by Visualforce.
D. Custom Apex and JavaScript coda that is used to manipulate data.

答案：C,D

問題 #178
Given:
Map<ID, Account> accountMap = new Map>ID, Account> ([SELECT Id, Name FROM Account]); What are three valid Apex loop structures for iterating through items in the collection? (Choose three.)

A. for (Account accountRecord : accountMap.keySet()) {...}
B. for (ID accountID : accountMap.keySet()) {...}
C. for (ID accountID : accountMap) {...}
D. for (Account accountRecord : accountMap.values()) {...}
E. for (Integer i=0; I < accountMap.size(); i++) {...}

答案：B,D,E

問題 #179
A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of Apex tests allowing them to test isolated requirements for various types of Salesforce cases.
Which approach can efficiently generate the required data for each unit test?

A. Use @TestSetup with a void method.
B. Add @IsTest (seeAllData=true) at the start of the unit test class.
C. Create test data before Test .startTest() in the unit test.
D. Create a mock using the HttpcalloutMock interface.

答案：A

問題 #180
A developer deployed a trigger to update the status__c of Assets related to an Account when the Account''s status changes and a nightly integration that updates Accounts in bulk has started to fail with limit failures.

What should the developer change about the code to address the failure while still having the code update all of the Assets correctly?

A. Add a LIMIT clause to the SOQL query on line 16 to limit the number of Assets queried for an Account.
B. Change the gerAssetsToUpdac= method to process all Accounts in one call and call it outside of the for loop that starts on line 03.
C. Add List<Asset> assets = [SELECT Id, Status__c FROM Asset WHERE AccountId = :acctId] to line 14 and iterate over the assets list in the for loop on line 15.
D. Move all of the logic to a Queueable class that queries for and updates the Assets and call it from the trigger.

答案：B

問題 #181
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PDI題庫更新資訊: https://www.vcesoft.com/PDI-pdf.html

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