Free Salesforce CRT-450 Exam Questions

Become Salesforce Certified with updated CRT-450 exam questions and correct answers

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Total 387 Questions | Updated On: Jan 15, 2026

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Question 1

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 : ApexPages.currentPage() .getParameters() .get('url_param') .escapeHtml4()

C : String.ValueOf(ApexPages.currentPage() .getParameters() .get('url_param'))

D : String.escapeSingleQuotes(ApexPages.currentPage() .getParameters(). get('url_param'))

Answer: B

Question 2

Assuming that naze is 8 String obtained by an <apex:inpotText> tag on 8 Visualforce page, which two SOQL queries performed are safe from SOQL injection?

'Choose 2 answers

A :

B :

C :

D :

Answer: C,D

Question 3

A developer has the following requirements:

* Calculate the total amount on an Order.

* Calculate the line amount for each Line Item based on quantity selected and price.

* Move Line Items to a different Order if a Line Item is not in stock.

Which relationship implementation supports these requirements on its own7

A : Line Item has a re-parentable master-detail field to Order.

B : Order has a re-parentable master-detail field to Line Item.

C : Line Item has a re-parentable lookup field to Order.

D : Order has a re-parentable lookup field to Line Item.

Answer: A

Question 4

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?

A : Schema.sObjectType.Account.isDeletable()

B : Account.isDeletable()

C : accountRec.isDeletable()

D : accountRec.sObjectType.isDeletable()

Answer: A

Question 5

A developer must create aShippingCalculatorclass that cannot be instantiated and must include a working default implementation of acalculatemethod, that sub-classes can override. What is the correct implementation of theShippingCalculatorclass?

A : Public abstract class ShippingCalculator {public override calculate() { /*implementation*/ }}

B : Public abstract class ShippingCalculator {public virtual void calculate() { /*implementation*/ }}

C : Public abstract class ShippingCalculator {public abstract calculate() { /*implementation*/ }}

D : Public abstract class ShippingCalculator {public void calculate() { /*implementation*/ }}

Answer: B

Page: 1 / 78

Total 387 Questions | Updated On: Jan 15, 2026

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