Salesforce TVB-450 問題集

質問 1：
A developer wants to mark each Account in a List<Account> as either or Inactive based on the LastModified field value being more than 90 days.
Which Apex technique should the developer use?
A. An If/else statement, with a for loop inside
B. A for loop, with an if/else statement inside
C. A for loop, with a switch statement inside
D. A Switch statement, with a for loop inside
正解：B

質問 2：
A developer has a Apex controller for a Visualforce page that takes an ID as a URL parameter. How should the developer prevent a cross site scripting vulnerability?
A. ApexPages.currentPage() .getParameters() .get('url_param')
B. String.ValueOf(ApexPages.currentPage() .getParameters() .get('url_param'))
C. String.escapeSingleQuotes(ApexPages.currentPage() .getParameters(). get('url_param'))
D. ApexPages.currentPage() .getParameters() .get('url_param') .escapeHtml4()
正解：D

質問 3：
What should a developer use to obtain the Id and Name of all the Leads. Accounts, and Contacts that hove the company name "Universal Containers"?
A. SELECT Lead.id. Lead.Name, Account.Id, AccountName, Contacted, Contact.Name FROM Lead, Account, Contact WHERE CompanvName * Universal Containers'
B. FIND Universal Containers' IN CompanyName Fietds RETURNING lead{ld. name), accounted, name), contacted, name)
C. FIND 'Universal Containers' IN Name Fields RETURNING leadjid, name), accounted, name), contacted, name)
D. SELECT lead(id, name). accountOd, name), contacted, name) FROM Lead, Account, Contact WHERE Name = "universal Containers'
正解：C

質問 4：
A developer is creating a Lightning web component to showa list of sales records.
The Sales Representative user should be able to see the commission field on each record. The Sales Assistant user should be able to see all fields on the record except the commission field.
How should this be enforced so that the component works for both users without showing any errors?
A. Use Lightning Data Service to get the collection of sales records.
B. Use Security. stripInaccessible to remove fields inaccessible to the current user.
C. Use Lightning Locker Service to enforce sharing rules and field-level security.
D. Use WITH SECURITY_ENFORCED in the SOQL that fetches the data for the component.
正解：B

質問 5：
An Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship.
How can this be achieved?
A. Write a Process Builder that links the custom object to the Opportunity.
B. Write a trigger on the child object and use a red-black tree sorting to sum the amount for all related child objects under the Opportunity.
C. Use the Streaming API to create real-time roll-up summaries.
D. Write a trigger on the child object and use an aggregate function to sum the amount for all related child objects under the Opportunity
正解：D

質問 6：
Universal Containers decides to use exclusively declarative development to build out a new Salesforce application. Which three options should be used to build out the database layer for the application? Choose 3 answers
A. Relationships
B. Custom Objects and Fields
C. Triggers
D. Process Builder
E. Roll-Up Summaries
正解：A,D,E

質問 7：
Universal Containers recently transitioned from Classic to Lighting Experience. One of its business processes requires certain value from the opportunity object to be sent via HTTP REST callout to its external order management system based on a user-initiated action on the opportunity page. Example values are as follow Name Amount Account Which two methods should the developer implement to fulfill the business requirement? (Choose 2 answers)
A. Create a Visualforce page that performs the HTTP REST callout, and use a Visualforce quick action to expose the component on the Opportunity detail page.
B. Create an after update trigger on the Opportunity object that calls a helper method using @Future(Callout=true) to perform the HTTP REST callout.
C. Create a Lightning component that performs the HTTP REST callout, and use a Lightning Action to expose the component on the Opportunity detail page.
D. Create a Process Builder on the Opportunity object that executes an Apex immediate action to perform the HTTP REST callout whenever the Opportunity is updated.
正解：B,C