CRT-450試験無料問題集（238題）「Salesforce Certified Platform Developer I 認定」

出題：1

A developer identifies the following triggers on the Expense __c object:
The triggers process before delete, before insert, and before update events respectively.
Which two techniques should the developer implement to ensure trigger best practices are followed?

Choose 2 answers

A. Maintain all three triggers on the Expense__c object, but move the Apex logic out of the trigger definition.

B. Create helper classes to execute the appropriate logic when a record is saved.

C. Unify all three triggers in a single trigger on the Expense__c object that includes all events.

D. Unify the before insert and before update triggers and use Flow for the delete action.

正解：A,B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：2

A developer is designing a new application on the Salesforce platform and wants to ensure it can support multiple tenants effectively.
Which design framework should the developer consider to ensure scalability and maintainability?

A. Flux (view, action, dispatcher, and store)

B. Agile Development

C. Waterfall Model

D. Model-View-Controller (MVC)

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or updated. The field update in the workflow rule is configured to not re-evaluate workflow rules.
What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

A. 2

B. 1

C. 4

D. 3

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：4

The values 'High', 'Medium', and 'Low' are Identified as common values for multiple picklist across different object. What is an approach a developer can take to streamline maintenance of the picklist and their values, while also restricting the values to the ones mentioned above?

A. Create the Picklist on each and add a validation rule to ensure data integrity.

B. Create the Picklist on each object and use a Global Picklist Value Set containing the Values.

C. Create the Picklist on each object as a required field and select "Display values alphabeticaly, not in the order entered".

D. Create the Picklist on each object and select "Restrict picklist to the values defined in the value set".

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

A Developer Edition org has five existing accounts. A developer wants to add 10 more accounts for testing purposes.
The following code is executed in the Developer Console using the Execute Anonymous window:

How many total accounts will be in the org after this code is executed?

A. 6

B. 5

C. 15

D. 10

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：6

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

解説: (GoShiken メンバーにのみ表示されます)

出題：7

Which two are best practices when it comes to component and application event handling? (Choose two.)

A. Try to use application events as opposed to component events.

B. Use component events to communicate actions that should be handled at the application level.

C. Reuse the event logic in a component bundle, by putting the logic in the helper.

D. Handle low-level events in the event handler and re-fire them as higher-level events.

正解：C,D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：8

Cloud kicks has a muli-screen flow its call center agents use when handling inbound service desk calls.
At one of the steps in the flow, the agents should be presented with a list of order number and dates that are retrieved from an external odrer management system in real time and displayed on the screen.
What shuold a developer use to satisfy this requirement?

A. An outbound message

B. An invocae method

C. An Apex Controller

D. An apex REST class

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：9

A primaryid_c custom field exists on the candidate_c custom object. The filed is used to store each candidate's id number and is marked as Unique in the schema definition.
As part of a data enrichment process. Universal Containers has a CSV file that contains updated data for all candidates in the system, the file contains each Candidate's primary id as a data point. Universal Containers wants to upload this information into Salesforce, while ensuring all data rows are correctly mapped to a candidate in the system.
Which technique should the developer implement to streamline the data upload?

A. Create a before Insert trigger to correctly map the records.

B. Upload the CSV into a custom object related to Candidate_c.

C. Create a Process Builder on the Candidate_c object to map the records.

D. Update the primaryid__c field definition to mark it as an External Id

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：10

Which action causes a before trigger to fire by default for Accounts?

A. Converting Leads to Contact accounts

B. Importing data using the Data Loader and the Bulk API

C. Updating addresses using the Mass Address update tool

D. Renaming or replacing picklist

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：11

A developer is implementing an Apex class for a financial system. Within the class, the variables 'creditAmount' and 'debtAmount' should not be able to change once a value is assigned. In which two ways can the developer declare the variables to ensure their value can only be assigned one time? Choose 2 answers

A. Use the final keyword and assign its value when declaring the variable.

B. Use the static keyword and assign its value in a static initializer.

C. Use the final keyword and assign its value in the class constructor.

D. Use the static keyword and assign its value in the class constructor.

正解：A,C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：12

A Lightning component has a wired property, searchResults, that stores a list of Opportunities. Which definition of the Apex method, to which the searchResults property is wired, should be used?

A. @AuraEnabled(cacheable=true)
public static List<Opportunity> search(String term) { /* implementation*/ }

B. @AuraEnabled(cacheable=false) public static List<Opportunity> search(String term) {
/*implementation*/ }

C. @AuraEnabled(cacheable=true) public List<Opportunity> search(String term) { /*implementation*/ }

D. @AuraEnabled(cacheable=false) public List<Opportunity> search(String term) { /*implementation*/ }

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：13

What should a developer use to fix a Lightning web component bug in a sandbox?

A. Developer Console

B. Force.com IDE

C. VS Code

D. Execute Anonymous

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

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