Salesforce Certified Platform Developer I - CRT-450 模擬練習
In terms of the MVC paradigm, what are two advantages of implementing the layer of a Salesforce application using Aura Component-based development over Visualforce? Choose 2 answers
正解: B,C
When the code executes, a DML exception is thrown.
How should a developer modify the code to ensure exceptions are handled gracefully?

How should a developer modify the code to ensure exceptions are handled gracefully?

正解: C
A developer needs to implement a custom SOAP Web Service that is used by an external Web Application. The developer chooses to Include helper methods that are not used by the Web Application In the Implementation of the Web Service Class. Which code segment shows the correct declaration of the class and methods?
正解: D
A development team wants to use a deployment script to automatically deploy to a sandbox during their development cycles.
Which two tools can they use to run a script that deploys to a sandbox? Choose 2 answers
Which two tools can they use to run a script that deploys to a sandbox? Choose 2 answers
正解: A,D
What is the result of the following code?
正解: C
A developer created these three Rollup Summary fields in the custom object, Project__c:

The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.
Which should the developer use to implement the business requirement in order to minimize maintenance overhead?

The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.
Which should the developer use to implement the business requirement in order to minimize maintenance overhead?
正解: D
A company has a custom object, Order__c, that has a required, unique external ID field called OrderNumber__c.
Which statement should be used to perform the DML necessary to insert new records and update existing records in a list of order__c records using the external ID field?
Which statement should be used to perform the DML necessary to insert new records and update existing records in a list of order__c records using the external ID field?
正解: A
Refer to the following code snippet for an environment has more than 200 Accounts belonging to the Technology' industry:

When the code execution, which two events occur as a result of the Apex transaction? When the code executes, which two events occur as a result of the Apex transaction? Choose 2 answers

When the code execution, which two events occur as a result of the Apex transaction? When the code executes, which two events occur as a result of the Apex transaction? Choose 2 answers
正解: D
What are two considerations for running a flow in debug mode? Choose 2 answers
正解: A,B
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

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
正解: C,D