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Salesforce Certified Platform Developer I

Here you have the best Salesforce CRT-450 practice exam questions

Preview the first 5 of 439 questions for free
These questions were last updated on June 17, 2026
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Question 1 of 439

Which statement results in an Apex compiler error?

Map<Id,Leas> lmap = new Map<Id,Lead>([Select ID from Lead Limit 8]);

Date d1 = Date.Today(), d2 = Date.ValueOf('2018-01-01');

Integer a=5, b=6, c, d = 7;

List<string> s = List<string>{'a','b','c');

Question 2 of 439

What are two benefits of the Lightning Component framework? (Choose two.)

It simplifies complexity when building pages, but not applications.

It provides an event-driven architecture for better decoupling between components.

It promotes faster development using out-of-box components that are suitable for desktop and mobile devices.

It allows faster PDF generation with Lightning components.

Question 3 of 439

A method is passed a list of generic sObjects as a parameter.

What should the developer do to determine which object type (Account, Lead, or Contact, for example) to cast each sObject?

Use the first three characters of the sObject ID to determine the sObject type.

Use the getSObjectType method on each generic sObject to retrieve the sObject token.

Use the getSObjectName method on the sObject class to get the sObject name.

Use a try-catch construct to cast the sObject into one of the three sObject types.

Question 4 of 439

What should a developer use to implement an automatic Approval Process submission for Cases?

An Assignment Rule

Scheduled Apex

Process Builder

A Workflow Rule

Question 5 of 439

When viewing a Quote, the sales representative wants to easily see how many discounted items are included in the Quote Line Items.

What should a developer do to meet this requirement?

Create a trigger on the Quote object that queries the Quantity field on discounted Quote Line Items.

Create a Workflow Rule on the Quote Line Item object that updates a field on the parent Quote when the item is discounted.

Create a roll-up summary field on the Quote object that performs a SUM on the quote Line Item Quantity field, filtered for only discounted Quote Line Items.

Create a formula field on the Quote object that performs a SUM on the Quote Line Item Quantity field, filtered for only discounted Quote Line Items.

Question 6 of 439

Which of the following best describes the approach used when configuring high availability across multiple regions to ensure minimal downtime during failover events?

Deploy active-active clusters with cross-region replication and automated DNS failover to maintain service continuity

Use a single-region deployment with periodic manual snapshots for disaster recovery purposes

Configure load balancers in each region with independent database instances and no synchronization

Implement cold standby servers that require manual intervention to activate during outages

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