Salesforce DEX-450 Quiz 21 Topic 11 Questions 101-105

Question: 1

An org has a single account named 'NoContacts' that has no related contacts. Given the query:

List&lt;Account&gt; accounts = [Select ID, (Select ID, Name from Contacts) from Account where Name='NoContacts'];

What is the result of running this Apex?

Aaccounts[0].contacts is invalid Apex.

Baccounts[0].contacts is an empty Apex.

Caccounts[0].contacts is Null.

DA QueryException is thrown.

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Question: 2

A Visualforce page has a standard controller for an object that has a lookup relationship to a parent object. How can a developer display data from the parent record on the page?

ABy adding a second standard controller to the page for the parent record.

BBy using a roll-up formula field on the child record to include data from the parent record.

CBy using SOQL on the Visualforce page to query for data from the parent record.

DBy using merge field syntax to retrieve data from the parent record.

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Question: 3

A developer needs to provide a Visualforce page that lets users enter Product-specific details during a Sales cycle. How can this be accomplished? (Choose 2)

ADownload a Managed Package from the AppExhange that provides a custom Visualforce page to modify.

BCopy the standard page and then make a new Visualforce page for Product data entry.

CDownload an Unmanaged Package from the AppExchange that provides a custom Visualforce page to modify.

DCreate a new Visualforce page and an Apex controller to provide Product data entry.

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Question: 4

Which statement about change set deployments is accurate? (Choose 3)

AThey use an all or none deployment model.

BThey require a deployment connection.

CThey ca be used to transfer Contact records.

DThey can be used to deploy custom settings data.

EThey can be used only between related organizations.

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Question: 5

A developer creates an Apex class that includes private methods. What can the developer do to ensure that the private methods can be accessed by the test class?

AAdd the TestVisible attribute to the Apex class

BAdd the SeeAllData attribute to the test methods.

CAdd the TestVisible attribute to the apex methods.

DAdd the SeeAllData attribute to the test class

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Salesforce DEX-450 Quiz:21 Topic:11 Questions:101-105