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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience DEX-450 Dumps in PDF

Free Salesforce DEX-450 Real Questions (page: 10)

Page 10 of 93 DEX-450 PDF — 456 Questions

QUESTION: 46

A developer executes the following query in Apex to retrieve a list of contacts for each account:
List<account> accounts = [Select ID, Name, (Select ID, Name from Contacts) from Account] ; Which two exceptions may occur when it executes? (Choose two.)

CPU limit exception due to the complexity of the query.
SOQL query row limit exception due to the number of contacts.
SOQL query limit exception due to the number of contacts.
SOQL query row limit exception due to the number of accounts.

Answer(s): C,D

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QUESTION: 47

Which three tools can deploy metadata to production? (Choose three.)

Change Set from Developer Org
Force.com IDE
Data Loader
Change Set from Sandbox
Metadata API

Answer(s): A,D,E

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QUESTION: 48

A developer needs to display all of the available fields for an object. In which two ways can the developer retrieve the available fields if the variable myObject represents the name of the object? (Choose two.)

Use myObject.sObjectType.getDescribe().fieldSet() to return a set of fields.
Use mySObject.myObject.fields.getMap() to return a map of fields.
Use Schema.describeSObjects(new String[]{myObject})[0].fields.getMap() to return a map of fields.
Use getGlobalDescribe().get(myObject).getDescribe().fields.getMap() to return a map of fields.

Answer(s): B,C

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QUESTION: 49

How should a developer avoid hitting the governor limits in test methods?

Use @TestVisible on methods that create records.
Use Test.loadData() to load data from a static resource.
Use @IsTest (SeeAllData=true) to use existing data.
Use Test.startTest() to reset governor limits.

Answer(s): D

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QUESTION: 50

Which three declarative fields are correctly mapped to variable types in Apex? (Choose three.)

Number maps to Decimal.
Number maps to Integer.
TextArea maps to List of type String.
Date/Time maps to Dateline.
Checkbox maps to Boolean.

Answer(s): A,D,E

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Z

zazza

6/16/2023 9:08:00 AM

question 21 answer is alerts

A

Abwoch Peter

7/4/2023 3:08:00 AM

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9/12/2023 5:26:00 AM

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M

Mfc

10/23/2023 3:35:00 PM

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W

Whizzle

7/24/2023 6:19:00 AM

q26 should be b

S

sarra

1/17/2024 3:44:00 AM

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D

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10/5/2023 12:21:00 PM

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H

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10/24/2023 5:37:00 AM

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1/14/2024 4:07:00 PM

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Saravana Kumar TS

12/8/2023 9:49:00 AM

question: 93 which statement is true regarding the result? sales contain 6 columns and values contain 7 columns so c is not right answer.

L

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3/30/2023 11:43:00 PM

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D

DC

1/7/2024 10:17:00 AM

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A

Anonymus

11/9/2023 5:41:00 AM

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11/17/2023 3:46:00 PM

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6/3/2023 2:39:00 AM

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Steve

8/17/2023 2:19:00 PM

question #18s answer should be a, not d. this should be corrected. it should be minvalidityperiod

R

RITEISH

12/24/2023 4:33:00 AM

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S

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10/15/2023 7:58:00 AM

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Maria

6/23/2023 11:40:00 AM

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N

Nagendra Pedipina

7/12/2023 9:10:00 AM

q:37 c is correct

J

John

9/16/2023 9:37:00 PM

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12/4/2023 12:56:00 AM

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12/26/2023 9:35:00 PM

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