CRT-450試験無料問題集（240題）「Salesforce Certified Platform Developer I 認定」

出題：1

Universal Containers has a Visualforce page that displays a table of every Container_c.
being ....... Is falling with a view state limit because some of the customers rent over 10,000 containers. What should a developer change about the Visualforce page to help with the page load errors?

A. Implement pagination with an OffsetController.

B. Use Lazy loading and a transient List variable.

C. Use JavaScript remoting with SOQL Offset.

D. Implement pagination with a StandardSetController,

正解：D 解答を投票する

出題：2

What are two ways for a developer to execute tests in an org?

A. Matadata API

B. Tooling API

C. Developer console

D. Bulk API

正解：B,C 解答を投票する

出題：3

What are two characteristics related to formulas? Choose 2 answers

A. Formulas are calculated at runtime and are not stored in the database

B. Fields that are used in a formula field can be deleted or edited wlthojt editing the formjta.

C. Formulas can reference vaues m reiatea objects.

D. formulas can reference themselves.

正解：A,C 解答を投票する

出題：4

Which Lightning code segment should be written to declare dependencies on a Lightning component, c:accountList, that is used in a Visualforce page?

A.

B.

C.

D.

正解：D 解答を投票する

出題：5

How many Accounts will be inserted by the following block of code?

A. 150

B. 100

C. 0

D. 500

正解：C 解答を投票する

出題：6

A developer is creating a test coverage for a class and needs to insert records to validate functionality. Which method annotation should be used to create records for every method in the test class?

A. @PreTest

B. @isTest(SeeAllData=True)

C. @BeforeTest

D. @TestSetup

正解：D 解答を投票する

出題：7

Which exception type cannot be caught?

A.

B.

C.

D.

正解：A 解答を投票する

出題：8

Given the following code snippet, that is part of a custom controller for a Visualforce page:

In which two ways can the try/catch be enclosed to enforce object and field-level permissions and prevent the DML statement from being executed if the current logged-in user does not have the appropriate level of access? Choose 2 answers

A. Use if (Schema , sobjectType. Contact. Field, Is_Active_c. is Updateable ( ) )

B. Use if (Schema, sobjectType, Contact, isUpdatable ( ) )

C. Use if (Schema.sObjectType.Contact.isAccessible ( ) )

D. Use if (thisContact.Owner = = UserInfo.getuserId ( ) )

正解：A,B 解答を投票する

出題：9

Einstein Next Best Action Is configured at Universal Containers to display recommendations to internal users on the Account detail page.
If the recommendation is approved, a new opportunity record and task should be generated. If the recommendation is rejected, an Apex method must be executed to perform a callout to an external system.
Which three factors should a developer keep Hi mind when implementing the Apex method?
Choose 3 answers

A. The method must use the @AuraEnabled annotation.

B. The method must use the @Future annotation.

C. The method must be defined as static.

D. The method must be defined as public.

E. The method must use the @invocableMethod annotation.

正解：B,C,D 解答を投票する

出題：10

A developer is creating an app that contains multiple Lightning web components. One of the child components is used for navigation purposes. When a user click a button called.. component, the parent component must be alerted so it can navigate to the next page.
How should this be accomplished?

A. Fire a notification.

B. Update a property on the parent.

C. Create a custom event.

D. Call a method in the Apex controller.

正解：C 解答を投票する

出題：11

Universal Containers has implemented an order management application. Each Order can have one or more Order Line items. The Order Line object is related to the Order via a master-detail relationship. For each Order Line item, the total price is calculated by multiplying the Order Line item price with the quantity ordered.
What is the best practice to get the sum of all Order Line item totals on the Order record?

A. Quick action

B. Apex trigger

C. Roll-up summary field

D. Formula field

正解：C 解答を投票する

出題：12

A developer is asked to prevent anyone other than a user with Sales Manager profile from changing the Opportunity Status to Closed Lost if the lost reason is blank. Which automation allows the developer to satisfy this requirement in the most efficient manner?

A. A record trigger flow on the Opportunity object

B. An error condition formula on a validation rule on Opportunity

C. An Apex trigger on the Opportunity object

D. approval process on the Opportunity object

正解：B 解答を投票する

CRT-450試験無料問題集「Salesforce Certified Platform Developer I 認定」