最新的Salesforce DEX-450免費考試真題

問題1

What is the result of the following code snippet?
public word doWork(Account acct) {
for (Integer i = 0; i <= 2007 i++) {
insert acct;
}

A. Accounts are inserted.

B. 200 Accounts are inserted.

C. 201 Accounts are inserted.

D. Account is inserted.

正確答案: A

問題2

How should a developer write unit tests for a private method in an Apex class?

A. Mark the Apex class as global.

B. Use the SeeAllData annotation.

C. Add a test method in the Apex class.

D. Use the @TestVisible annotation.

正確答案: D

問題3

Universal Containers (UC) uses out-of-the-box order management, that has a Master-Detail relationship between Order and Order Line Item.
UC stores the availability date on each Order Line Item and Orders are only shipped when all of the Order Line Items are available.
Which method should be used to calculate the estimated ship date for an Order?

A. Use a MAX Roll-Up Summary field on the latest availability date fields.

B. Use 2 LATEST formula on each of the latest availability date fields.

C. Use @ DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.

D. Use a CEILING formula on each of the latest availability date fields.

正確答案: A

問題4

What are two benefits of using declarative customizations over code?
Choose 2 answer

A. Declarative customizations automatically generate test classes.

B. Declarative customizations automatically update with each Salesforce release.

C. Declarative customizations generally require less maintenance

D. Declarative customizations cannot generate run time errors

正確答案: B,C

問題5

A developer is creating a page that allows users to create multiple Opportunities. The developer is asked to verify the current user's default Opportunity record type, and set certain default values based on the record type before inserting the record.
How can the developer find the current user's default record type?

A. Create the opportunity and check the opportunity. recordtype, which will have the record ID of the current user's default record type, before inserting.

B. Use the schema. Userinfo. Opportunity. getDefaultRecordType {) method.

C. Use opportunity. sobjectTyps. getDeacribse().getRecordTypeInfos {) to get a list of record types, and iterate through them until isDefaultRecordtypeMapping {) is true.

D. Query the Profile where the ID equals userinfo.getprofileID () and then use the profile opportunity. getdefaultresoratype (} method,

正確答案: C

問題6

A custom object Trainer__c has a lookup field to another custom object Gym__c.
Which SOQL query will get the record for the Viridian City Gym and all it's trainers?

A. SELECT Id, (SELECT Id FROM Trainers _r) FROM Gym_c WHERE Name = 'Viridian City Gym'

B. SELECT ID FROM Trainer_c WHERE Gym_r.Name = 'Viridian City Gym'

C. SELECT Id, (SELECT Id FROM Trainer_c FROM Gym_c WHERE Name = 'Viridian City Gym"

D. SELECT Id, (SELECT Id FROM Trainers _c) FROM Gym_c WHERE Name = 'Viridian City Gym'

正確答案: A

問題7

A developer must create a Lightning component that allows users to input Contact record information to create a Contact record, including a Salary c custom field.
What should the developer use, along with a lightning-record-edit-form, so that Salary__c field functions as a currency input and is only viewable and editable by users that have the correct field level permissions on Salary _c?

A.

B.

C.

D.

正確答案: B

問題8

A custom Visualforce controller calls the ApexPages.addMessage() method, but no messages are rendering on the page.
Which component should be added to the Visualforce page to display the message?

A. <apex:pageMessages />

B. <opex:message for"info"/>

C. <apex:pageMessage severity="info'' />

D. <apex:facet name="messages" />

正確答案: A

問題9

The orderHelper class is a utility class that contains business logic for processing orders. Consider the following code snippet:

A developer needs to create a constant named delivery_multiplier with a value of 4.15. The value of the constant should not change at any time in the code.
How should the developer declare the delivery multiplier constant to meet the business objectives?

A. decimal DELIVERY_MULTIPLIER = 4.15;

B. static final decimal DELIVERY_MULTIPLIER = 4.15;

C. static decimal DELIVERY_MULTIPLIER = 4.15;

D. constant decimal DELIVERY_MULTIPLIER = 4.15;

正確答案: B

最新的Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience - DEX-450免費考試真題

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