Question 1

A developer must create a CreditcardPayment class that provides an implementation of an existing Payment class. Public virtual class Payment { public virtual void makePayment(Decimal amount) { /*implementation*/ } } Which is the correct implementation?

Options :

A : Public class CreditcardPayment extends Payment {public override void makePayment(Decimal amount) { /*implementation*/ }}

B : Public class CreditCardPayment implements Payment {public virtual void makePayment(Decimal amount) { /*implementation*/ }}

C : Public class CreditCardPayment extends Payment {public virtual void makePayment(Decimal amount) { /*implementation*/ }}

D : Public class CreditCardPayment implements Payment {public override void makePayment(Decimal amount) { /*Implementation*/ }}

Answer: A

Question 2

While working in a sandbox, an Apex test fails when run in the Test Runner. However, executing the Apex logic in the Execute Anonymous window succeeds with no exceptions or errors. Why did the method fail in the sandbox test framework but succeed in the Developer Console?

Options :

A : The test method has a syntax error In the code.

B : The test method does not use System. rurAs to execute as a specific user.

C : The test method Is calling an future method.

D : The test method relies on existing data in the sandbox.

Answer: D

Question 3

A developer must write an Apex method that will be called from a Lightning component. The method may

delete an Account stored in the accountRec variable.

Which method should a developer use to ensure only users that should be able to delete Accounts can

successfully perform deletions?

Options :

A : Schema.sObjectType.Account.isDeletable()

B : Account.isDeletable()

C : accountRec.isDeletable()

D : accountRec.sObjectType.isDeletable()

Answer: A

Question 4

Which three resources in an Aura Component can contain Javascript functions? Choose 3 answers

Options :

A : Controller

B : Helper

C : Renderer

Answer: A,B,C

Question 5

As a part of class implementation a developer must execute a SOQL query against a large data ser based on the contact object. The method implementation is as follows.

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Which two methods are best practice to implement heap size control for the above code? (Choose 2 Answers)

Options :

A : Use the FOR UPDATE option on the SOQL query to lock down the records retrieved.

B : Use visual keyword when declaring the retrieve variable.

C : Use a SOQL FOR loop, to chunk the result set in batches of 200 records.

D : Use WHERE clauses on the SOQL query to reduce the number of records retrieved.

Answer: B,C

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