Free DEX-450 Exam braindumps download (DEX-450 exam dumps Free)

QUESTION: 106

A developer wants to list all of the Tasks for each Account on the Account detail page. When a task is created for a Contact, what does the developer need to do to display the Task on the related Account record?

Nothing. The task is automatically displayed on the Account page.
Nothing. The Task cannot be related to an Account and a Contact.
Create a Workflow rule to relate the Task to the Contact's Account.
Create an Account formula field that displays the Task information.

Answer(s): A

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QUESTION: 107

What is the minimum log level needed to see user-generated debug statements?

DEBUG
FINE
INFO
WARN

Answer(s): A

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QUESTION: 108

A developer has the following code:
try {
List nameList;
Account a;
String s = a.Name;nameList.add(s);
} catch (ListException le )
{
System.debug(' List Exception ');
}
catch (NullPointerException npe)
{
System.debug('NullPointer Exception ');
}
catch (Exception e) {
System.debug(' Generic Exception ');
}

What message will be logged?

List Exception
NullPointer Exception
Generic Exception
No message is logged

Answer(s): B

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QUESTION: 109

What is a good practice for a developer to follow when writing a trigger? (Choose 2)

Using @future methods to perform DML operations.
Using the Map data structure to hold query results by ID.
Using the Set data structure to ensure distinct records.
Using synchronous callouts to call external systems.

Answer(s): B,C

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QUESTION: 110

Which statement should a developer avoid using inside procedural loops? (Choose 2)

System.debug('Amount of CPU time (in ms) used so far: ' + Limits.getCpuTime() );
List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId = :a.Id];
If(o.accountId == a.id)
Update contactList;

Answer(s): B,D

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Free DEX-450 Exam Braindumps Programmatic Development using Apex and Visualforce in Lightning Experience Questions 106–110 (page: 23)

QUESTION: 106

QUESTION: 107

QUESTION: 108

QUESTION: 109

QUESTION: 110

Free DEX-450 Exam Braindumps
Programmatic Development using Apex and Visualforce in Lightning Experience Questions 106–110 (page: 23)