Salesforce CRT-450 問題集

質問 1：
Which two are phases in the Aura application event propagation framework?
Choose 2 answers
A. Control
B. Bubble
C. Default
D. Emit
正解：B,C
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which three data types can a SOQL query return?
Choose 3 answers
A. sObject
B. Double
C. Long
D. List
E. Integer
正解：A,D,E
解説: (Topexam メンバーにのみ表示されます)

質問 3：
The Job_application_ c custom object has a field that is a master-detail relationship to the Contact object, where the Contact object is the master.
As part of a feature implementation, a developer needs to retrieve a list containing all Contact records where the related Account Industry is 'Technology', while also retrieving the Contact's Job_Application__c records.
Based on the object's relationships, what is the most efficient statement to retrieve the list of Contacts?
A.

B.

C.

D.

正解：D

質問 4：
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
A. Developer Console
B. Change Sets
C. VSCode
D. SFOX CLI
正解：C,D
解説: (Topexam メンバーにのみ表示されます)

質問 5：
What are three capabilities of the <ltng:require> tag when loading JavaScript resources in Aura components?
Choose 3 answers
A. Loading files from Documents
B. Loading externally hosted scripts
C. Loading scripts in parallel
D. One-time loading for duplicate scripts
E. Specifying loading order
正解：B,D,E
解説: (Topexam メンバーにのみ表示されます)

質問 6：
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 salarv < 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.

正解：A

質問 7：
Which three statements are accurate about debug logs?
Choose 3 answers
A. A System debug logs are retained for 24 hours.
B. Debug log levels are cumulative, where FINE log level includes all events logged at the DEBUG, INFO, WARN, and ERROR levels.
C. Only the 20 most recent debug logs for a user are kept.
D. Debug logs can be set for specific users, classes, and triggers.
E. The maximum size of 3 debug log is 5 MB.
正解：A,B,C
解説: (Topexam メンバーにのみ表示されます)

質問 8：
A developer created a Visualforce page and custom controller to display the account type field as shown below.
Custom controller code:

Visualforce page snippet:

what should the developer do to correct the problem?
A. Add with sharing to the custom controller.
B. Change theAccount attribute to public.
C. Add a getter method for the attribute.
D. Convert theAccount.Type to a String.
正解：C

質問 9：
What are two characteristics related to formulas?
Choose 2 answers
A. Fields that are used in a formula field can be deleted or edited without editing the formula.
B. Formulas can reference themselves.
C. Formulas are calculated at runtime and are not stored in the database.
D. Formulas can reference values in related objects.
正解：C,D
解説: (Topexam メンバーにのみ表示されます)