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Exam2pass > Salesforce > Salesforce Certifications > DEX-403 > DEX-403 Online Practice Questions and Answers

DEX-403 Online Practice Questions and Answers

Questions 4

Which three options are available for assigning access to Lightning Pages using Lightning App Builder? (Choose three.)

A. Profile and permission sets

B. App default

C. Role and subordinates

D. The org default

E. App, record type, profile

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Correct Answer: BDE

Questions 5

Use case:

An object called "House" is related to Opportunity, there can be many Houses per Opportunity. On houses,

we have a field named "Square feet". We need to show the total of Square feet for all houses on each

Opportunity.

What type of relationship should we have?

A. Cross-Object

B. Master-Detail

C. Lookup

D. Junction

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Correct Answer: B

Questions 6

You want to use an External Data Object Table from Heroku carrying Product Category information. The data need to be included in Salesforce and searchable.

What do you have to do before you can use the connection? (Choose three.)

A. Choose "Include as index field".

B. Choose "Include in Salesforce searches" option.

C. URL/choose the URL.

D. Press "Validate and sync".

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Correct Answer: BCD

Questions 7

A developer has completed work in the sandbox and is ready to send it to a related org.

What deployment tool should be used?

A. Force.com IDE

B. Changes Sets

C. Unmanaged Packages

D. Force.com Migration Tool

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Correct Answer: B

Questions 8

An app builder is loading data into Salesforce. To link new records back to the legacy system, a field will be used to track the legacy ID on the Account object. For future data loads this ID will be used when upserting records.

Which two fields attributes should be selected? (Choose two.)

A. External ID

B. Text (encrypted)

C. Required

D. Unique

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Correct Answer: AD

Questions 9

What order does SF process rules?

A. Validation rules, assignment rules, workflow rules, auto-response rules, escalation rules.

B. Validation rules, assignment rules, auto-response rules, workflow rules, escalation rules.

C. Escalation rules, Validation rules, assignment rules, auto-response rules, workflow rules.

D. Auto-response rules, Validation rules, assignment rules, workflow rules, escalation rules.

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Correct Answer: B

Questions 10

What are use cases for Validation Rules?

A. Enforce conditionally required fields

B. Enforce proper data format

C. Enforce consistency

D. Prevent data loss

E. All of the above

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Correct Answer: E

Questions 11

Which of the following is true in regards to the User Acceptance testing (UAT) step in a large enterprise application lifecycle? Choose 2 answers.

A. UAT comes before Integration testing

B. UAT come after Integration Testing

C. UAT can be used for end user testing or training

D. UAT is typically the last step before deploying changes to production

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Correct Answer: BC

Questions 12

A junction object has two Master-Detail relationships. What happens to a junction object record when either associated master record is deleted?

A. The record is deleted and placed in the recycle bin.

B. The master record can't be deleted if it has a child record.

C. The look-up field on the junction object record is cleared.

D. The record is permanently deleted and can't be restored.

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Correct Answer: A

Questions 13

Universal Containers is setting up salesforce for the first time. Management wants the sales and marketing teams to have different navigation names in the salesforce1 mobile app. Which option is available to an app builder to satisfy the requirement?

A. Create sales and marketing profiles to ensure read access to different objects

B. Create roles for sales and marketing and assign a custom homepage layout for each role.

C. Create mobile navigation menus for both the sales and marketing profiles.

D. Create public groups for sales and marketing and create mobile navigation menus for each group.

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Correct Answer: A

Exam Code: DEX-403
Exam Name: Declarative Development for Platform App Builders in Lightning
Last Update: May 27, 2026
Questions: 474

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