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Overview about SALESFORCE CRT-450 Exam
- Length of Examination: 110 minutes
- Retake Fee : 100 USD
- Format: Multiple choice, multiple answer
Salesforce CRT-450 Exam Syllabus Topics:
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| Topic 2 |
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NEW QUESTION 176
A developer created a Visualforce page with a custom controller to show a list of accounts. The page uses the
<apex:SelecList> component, with a variable called "selection", to show the valid values for Account.Type.
The page uses an <apex:pageBlockTable> component to display the list of accounts, where the iteration variable is "acct". The developer wants to ensure that when a user selects a type on the <apex : selectList> component, only accounts with that type are shown on the page. What should the developer do to accomplish this?
- A. Create a component for each option and use a variable with hide parameter on the element.
- B. Add the Rendered={!Acct.type==selection} attribute to the pageBlockTable component
- C. Use the onChange event to update the list of accounts in the controller when the value changes, and then re-render the pageBlockTable.
- D. Create multiple lists in the controller that represent the relevant accounts for each account type when the page loads, then reference the correct one dynamically on the pageBlockTable.
Answer: C
NEW QUESTION 177
An org has two custom objects:
* Plan_c, that has a master-detail relationship to the Account object.
* Plan_item_c, that has a master-detail relationship to the plan_C object.
What should a developer use to create a Visualforce section in the Account page layout that displays all of the plan.. Account and all of the Plan_item_c records related to those plan_c records.
- A. A standard controller with a custom controller
- B. A standard controller with a controller extension
- C. A custom controller by itself
- D. A controller extension with a custom controller
Answer: B
NEW QUESTION 178
What should be used to create scratch orgs?
- A. Sandbox refresh
- B. Developer Console
- C. Salesforce CLI
- D. Workbench
Answer: C
NEW QUESTION 179
A recursive transaction is limited by a DML statement creating records for these two objects:
1. Accounts
2. Contacts
The Account trigger hits a stack depth of 16.
Which statement is true regarding the outcome of the transaction?
- A. The transaction succeeds as long as the Contact trigger stack depth is less than 16.
- B. The transaction fails only if the Contact trigger stack depth is greater or equal to 16.
- C. The transaction fails and all the changes are rolled back.
- D. The transaction succeeds and all the changes are committed to the database.
Answer: D
NEW QUESTION 180
Which control statement should a developer use to ensure that a loop body executes at least once?
- A. While (condition){}
- B. For(variable : list_or_set){}
- C. For(init_stmt;exit_cond;increment){}
- D. Do {} while (cond)
Answer: D
NEW QUESTION 181
How can a developer get all of the available record types for the current user on the case object?
- A. Use SOQL to get all cases
- B. Use describefieldresult of the case.recordtype field
- C. Use describesobjectresult of the case object
- D. Use case.getrecordtypes()
Answer: B
NEW QUESTION 182
A developer needs to prevent the creation of Request_c records when certain conditions exist in the system. A RequestLogic class exists to checks the conditions. What is the correct implementation?
- A. Trigger RequestTrigger on Request (before insert) {
if (RequestLogic.isvalid{Request})
Request.addError {'Your request cannot be created at this time.'};
} - B. Trigger RequestTrigger on Request (after insert) {
if (RequestLogic.isValid{Request})
Request.addError {'Your request cannot be created at this time.'};
} - C. Trigger RequestTrigger on Request (after insert) {
RequestLogic.validateRecords {trigger.new};
} - D. Trigger RequestTrigger on Request (before insert) {
RequestLogic.validateRecords {trigger.new};
}
Answer: D
NEW QUESTION 183
A developer wants to get access to the standard price book in the org while writing a test class that covers an OpportunityLineItem trigger. Which method allows access to the price book?
- A. Use Test.loadData ( )and a static resource to load a standard price book
- B. Use Test,getStandardPricebookid ( ) to get the standard price book ID.
- C. Use @TestVisible to allow the test method to see the standard price book.
- D. Use @IsTest (SeeAllData=True) and delete the existing standard price book
Answer: B
NEW QUESTION 184
A developer must create a Lightning component that allows user 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. <ligthning-input-field field-name="Salary__c">
</lightning-input-field> - B. <lightning-input type="number" value="Salary__c" formatter="currency">
</lightning-input> - C. <lightning-input-currency value="Salary__c">
</lightning-input-currency> - D. <lightning-formatted-number value="Salary__c" format-style="currency">
</lightning-formatted-number>
Answer: A
NEW QUESTION 185
A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises
95% coverage of new Apex helper class. Change Set deployment to production fails with the test coverage warning: "Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required" What should the developer do to successfully deploy the new Apex trigger and helper class?
- A. Run the tests using the 'Run All Tests' method.
- B. Increase the test class coverage on the helper class
- C. Create a test class and methods to cover the Apex trigger
- D. Remove the falling test methods from the test class.
Answer: C
NEW QUESTION 186
Universal Containers stores Orders and Line Items in Salesforce. For security reasons, financial representatives are allowed to see information on the Order such as order amount, but they are not allowed to see the Line Items on the Order.
Which type of relationship should be used?
- A. Master-Detail
- B. Indirect Lookup
- C. Lookup
- D. Direct Lookup
Answer: A
NEW QUESTION 187
Which two statements can a developer use to throw a custom exception of type MissingFieldValueException?
Choose 2 answers.
- A. Throw new MissingFieldValueException ('Problem occurred');
- B. Throw new MissingFieldValueException();
- C. Throw Exception (new MissingFieldValueException());
- D. Throw (MissingFieldValueException, 'Problem occurred');
Answer: A,B
NEW QUESTION 188
What is an example of a polymorphic lookup field in Salesforce?
- A. A custom field, Link__c, on the standard Contact object that looks up to an Account or a Campaign
- B. The Whatld field on the standard Event object
- C. The Parentid field on the standard Account object
- D. The LeadId and Contactid fields on the standard Campaign Member object
Answer: B
NEW QUESTION 189
A Hierarchy Custom Setting stores a specific URL for each profile in Salesforce. Which statement can a developer use to retrieve the correct URL for the current user'sprofile and display this on a Visualforce Page?
- A. {!$Setup.Url_Settings__C.Instance[Profile.Id].URL__c}
- B. {!$Setup.Url_Settings__C.[Profile.Id].URL__c}
- C. {!$Setup.Url_Settings__C.[$Profile.Id].URL__c}
- D. {!$Setup.Url_Settings__C.URL__c}
Answer: D
NEW QUESTION 190
A developer has the controller class below.
Which code block will run successfully in an execute anonymous window?
- A. myFooController m = new myFooController();System.assert(m.prop !=null);
- B. myFooController m = new myFooController();System.assert(m.prop ==null);
- C. myFooController m = new myFooController();System.assert(m.prop ==0);
- D. myFooController m = new myFooController();System.assert(m.prop ==1);
Answer: B
NEW QUESTION 191
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