Free Access Salesforce.CRT-450.v2022-11-14.q252 Practice Test (Page 27)

Question 126

What features are available when writing apex test classes?(Choose 2 Answers)

A.The ability to write assertions to test after a @future method.

B.The ability to set breakpoints to freeze the execution at a given point.

C.The ability to set and modify the CreatedDate field in apex tests.

D.The ability to select testing data using csv files stored in the system.

E.The ability to select error types to ignore in the developer console.

Question 127

What is a capability of formula fields? (Choose 3)

A.Generate a link using the HYPERLINK function to a specific record in a legacy system.

B.Return and display a field value from another object using the VLOOKUP function.

C.Determine which of three different images to display using the IF function.

D.Determine if a datetime field has passed using the NOW function.

E.Display the previous values for a field using the PRIORVALUE function.

Question 128

Which two strategies should a developer use to avoid hitting governor limits when developing in a multi-tenant environment? (Choose two.)

A.Use variables within Apex classes to store large amounts of data.

B.Use methods from the "Limits" class to monitor governor limits.

C.Use collections to store all fields from a related object and not just minimally required fields.

D.Use SOQL for loops to iterate data retrieved from queries that return a high number of rows.

Question 129

A developer must implement a CheckPaymentProcessor class that provides check processing payment capabilities that adhere to what defined for payments in the PaymentProcessor interface. public interface PaymentProcessor { void pay(Decimal amount); } Which is the correct implementation to use the PaymentProcessor interface class?

A.Public class CheckPaymentProcessor extends PaymentProcessor {
public void pay(Decimal amount);
}

B.Public class CheckPaymentProcessor implements PaymentProcessor {
public void pay(Decimal amount);
}

C.Public class CheckPaymentProcessor extends PaymentProcessor {
public void pay(Decimal amount) {}
}

D.Public class CheckPaymentProcessor implements PaymentProcessor {
public void pay(Decimal amount) {}
}

Question 130

A developer uses an 'after update' trigger on the Account object to update all the Contacts related to theAccount. The trigger code shown below is randomly failing.
List<Contacts> theContacts = new List<Contacts>(); for(Account a : Trigger.new){ for(Contact c : [SELECT Id, Account_Date__c FROM Contact WHERE AccountId = :a.Id]){ c.Account_Date__c = Date.today(); theContacts.add(c);
}
} updates theContacts;
Which line of code is causing the code block to fail?

A.The trigger processes more than 200 records in the for loop.

B.An exception is thrown ifAccount_Date__c is null.

C.A SOQL query is located inside of the for loop.

D.An exception is thrown if theContacts is empty

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