Latest Feb-2023 Salesforce TVB-450 Dumps Updated 151 Questions
PDF Download Free of TVB-450 Valid Practice Test Questions
Salesforce TVB-450 Exam Syllabus Topics:
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NEW QUESTION 17
A developer wrote an Apex method to update a list of Contacts and wants to make it available for use by Lightning web components.
Which annotation should the developer add to the Apex method to achieve this?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION 18
A custom picklist field, Food_Preference__c, exist on a custom object. The picklist contains the following options: 'Vegan','Kosher','No Preference'. The developer must ensure a value is populated every time a record is created or updated. What is the most efficient way to ensure a value is selected every time a record is saved?
- A. Mark the field as Required on the object's page layout.
- B. Mark the field as Required on the field definition.
- C. Set a validation rule to enforce a value is selected.
- D. Set "Use the first value in the list as the default value" as True.
Answer: B
NEW QUESTION 19
The following automations already exist on the Account object;
* A workflow rule that updates a field when a certain criteria is met
* A custom validation on a field
* A How that updates related contact records
A developer created a trigger on the Account object.
What should the developer consider while testing the trigger code?
- A. A workflow rule field update will cause the custom validation to run again.
- B. Workflow rules will fire only after the trigger has committed all DML operations to the database.
- C. The trigger may fire multiple times during a transaction.
- D. The flow may be launched multiple times.
Answer: C
NEW QUESTION 20
Which statement should be used to allow some of the records in a list of records to be inserted rf others fail to be inserted?
- A. insert records
- B. Database.insert(records, false)
- C. insert (records, false)
- D. Database.insert(records, true)
Answer: C
NEW QUESTION 21
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 (after insert) {
RequestLogic.validateRecords {trigger.new};
} - B. Trigger RequestTrigger on Request (before insert) {
RequestLogic.validateRecords {trigger.new};
} - C. Trigger RequestTrigger on Request (before insert) {
if (RequestLogic.isvalid{Request})
Request.addError {'Your request cannot be created at this time.'};
} - D. Trigger RequestTrigger on Request (after insert) {
if (RequestLogic.isValid{Request})
Request.addError {'Your request cannot be created at this time.'};
}
Answer: B
NEW QUESTION 22
A developer wants to invoke on outbound message when a record meets a specific criteria.
Which three features satisfy this use case?
Choose 3 answer
- A. Visual Workflow can be used to check the record criteria and send an outbound message without Apex Code.
- B. workflows can be used to check the record criteria and send an outbound message.
- C. Process builder can be used to check the record criteria and send an outbound message with Apex Code.
- D. Approval Process has the capacity to check the record criteria and send an outbound message without Apex Code
- E. Process builder can be used to check the record criteria and send an outbound messagewithout Apex Code.
Answer: B,C,D
NEW QUESTION 23
What is the value of the Trigger.old context variable in a Before Insert trigger?
- A. An empty list of sObjects
- B. null
- C. Undefined
- D. A list of newly created sObjects without IDS
Answer: B
NEW QUESTION 24
Given the following block code: try{ List <Accounts> retrievedRecords = [SELECT Id FROM Account WHERE Website = null]; }catch(Exception e){ //manage exception logic } What should a developer do to ensure the code execution is disrupted if the retrievedRecordslist remains empty after the SOQL query?
- A. Replace the retrievedRecords variable declaration from ftount to a single Account.
- B. Check the state of the retrievedRecords variable and access the first element of the list if the variable is empty.
- C. Check the state of the retrievedRecords variable and use System.assert(false) if the variable is empty
- D. Check the state of the retrieveRecords variable and throw a custom exception if the variable is empty.
Answer: C
NEW QUESTION 25
An Apex method, getAccounts, that returns a List of Accounts given a searchTerm, is available for Lightning Web components to use.
What is the correct definition of a Lightning Web component property that uses the getAccounts method?
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Answer: A
NEW QUESTION 26
What is a key difference between a Master-Detail Relationship and a Lookup Relationship?
- A. A Master-Detail Relationship detail record inherits the sharing and security of its master record.
- B. A Lookup Relationship is a required field on an object.
- C. When a record of a master object in a Lookup Relationship is deleted, the detail records are also deleted.
- D. When a record of a master object in a Master-Detail Relationship is deleted, the detail records are kept and not deleted.
Answer: A
NEW QUESTION 27
A developer receives an error when trying to call a global server-side method using the remoteAction decorator.
How can the developer resolve the error?
- A. Decorate the server-side method with (static=false).
- B. Change the function signature to be private static.
- C. A Decorate the server-side method with (static=true).
- D. Add static to the server-side method signature.
Answer: D
NEW QUESTION 28
Which two are best practices when it comes to component and application event handling? (Choose two.)
- A. Reuse the event logic in a component bundle, by putting the logic in the helper.
- B. Handle low-level events in the event handler and re-fire them as higher-level events.
- C. Use component events to communicate actions that should be handled at the application level.
- D. Try to use application events as opposed to component events.
Answer: A,B
NEW QUESTION 29
The following code snippet is executed by a Lightning web component in an environment with more than 2,000 lead records:
Which governor limit will likely be exceeded within the Apex transaction?
- A. Total number of DML statement issued
- B. Total number of records retrieved by SOQL queries
- C. Total number of SOQL queries issued
- D. Total number of records processed as a result of DML statements
Answer: B
NEW QUESTION 30
A developer created a custom order management app that uses an Apex class. The order is represented by an Order object and an Orderltem object that has a master-detail relationship to Order. During order processing, an order may be split into multiple orders.
What should a developer do to allow their code to move some existing Orderltem records to a new Order record?
- A. Add without sharing to the Apex class declaration.
- B. Select the Allow reparenting option on the master-detail relationship.
- C. Change the master-detail relationship to an external lookup relationship.
- D. Create a junction object between Orderltem and Order.
Answer: B
NEW QUESTION 31
Which three statements are accurate about debug logs? Choose 3 answers
- A. Amount of information logged in the debug log can be controlled programmatically.
- B. To View Debug Logs, "Manager Users" or "Modify All Data" permission is needed.
- C. Amount of information logged in the debug log can be controlled by the log levels.
- D. Debug Log levels are cumulative, where FINE lop level includes all events logged at the DEBUG, INFO, WARN, and ERROR levels.
- E. To View Debug Logs, "Manager Users" or "View All Data" permission is needed.
Answer: A,C
NEW QUESTION 32
A developer uses a loop to check each Contact in a list. When a Contact with the Title of
"Boss" is found, the Apex method should jump to the first line of code outside of the for loop.
Which Apex solution will let the developer implement this requirement?
- A. break;
- B. Next
- C. Continue
- D. Exit
Answer: A
NEW QUESTION 33
When using SalesforceDX, what does a developer need to enable to create and manage scratch orgs?
- A. Sandbox
- B. Production
- C. Dev Hub
- D. Environment Hub
Answer: C
Explanation:
https://developer.salesforce.com/docs/atlas.en-us.sfdx_dev.meta/sfdx_dev/sfdx_dev_scratch_orgs.htm
NEW QUESTION 34
Universal Containers wants to assess the advantages of declarative development versus programmatic customization for specific use cases in its Salesforce implementation.
What are two characteristics of declarative development over programmatic customization?
Choose 2 answers
- A. Declarative code logic does not require maintenance or review.
- B. Declarative development has higher design limits and query limits.
- C. Declarative development does not require Apex test classes.
- D. Declarative development can be done using the Setup UI.
Answer: C,D
NEW QUESTION 35
Which three process automations can immediately send an email notification to the owner of an Opportunity when its Amount is changed to be greater than $10,000? Choose 3 answers
- A. Process Builder
- B. Escalation Rule
- C. Flow Builder
- D. Workflow Rule
- E. Approval Process
Answer: A,D,E
NEW QUESTION 36
A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or update. The field update in the workflow rule is configured to not re-evaluate workflow rules. What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 37
Which code in a Visualforce page and/or controller might present a security vulnerability?
- A. <apex:outputField escape="false" value="{!ctrl.userInput}" />
- B. <apex:outputField value="{!ctrl.userInput}" />
- C. <apex:outputText value="{!$CurrentPage.parameters.userInput}" />
- D. <apex:outputText escape="false" value=" {!$CurrentPage.parameters.userInput}" />
Answer: D
NEW QUESTION 38
A developer has an integer variable called maxAttempts. The developer meeds to ensure that once maxAttempts is initialized, it preserves its value for the lenght of the Apex transaction; while being able to share the variable's state between trigger executions. How should the developer declare maxAttempts to meet these requirements?
- A. Declare maxattempts as a constant using the static and final keywords
- B. Declare maxattempts as a member variable on the trigger definition.
- C. Declare maxattempts as a variable on a helper class
- D. Declare maxattempts as a private static variable on a helper class
Answer: A
NEW QUESTION 39
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 40
Managers at Universal Containers want to ensure that only decommissioned containers are able to be deleted in the system. To meet the business requirement a Salesforce developer adds ^Decommissioned" as a picklist value for the Status__: custom field within the Contact__c object.
Which tool should the developer use to enforce only Container records with a status of "Decommissioned" can be deleted?
- A. Validation rule
- B. Before record-triggered flow
- C. After record-triggered flow
- D. Apex trigger
Answer: D
NEW QUESTION 41
An org tracks customer orders on an Order object and the items of an Order on the Line Item object. The Line Item object has a MasterDetail relationship to the order object. A developer has a requirement to calculate the order amount on an Order and the line amount on each Line item based on quantity and price.
What is the correct implementation?
- A. Implement the line amount as a numeric formula field and the order amount as a roll-up summary field.
- B. Implement the Line amount as a currency field and the order amount as a SUM formula field.
- C. Write a process on the Line item that calculates the item amount and order amount and updates the filed on the Line Item and the order.
- D. Write a single before trigger on the Line Item that calculates the item amount and updates the order amount on the Order.
Answer: A
NEW QUESTION 42
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