Salesforce DEX-450 Quiz 19 Topic 7 Questions 91-95

Question: 1

A developer has the following query: Contact c = [SELECT id, firstname, lastname, email FROM Contact WHERE lastname = 'Smith']; What does the query return if there is no Contact with the last name 'Smith'?

AA contact initialized to null.

BAn error that no rows are found.

CAn empty List of Contacts.

DA Contact with empty values.

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Question: 2

What is an important consideration when developing in a multi-tenant environment?

AGovernor limits prevent tenants from impacting performance in multiple orgs on the same instance.

BUnique domain names take the place of namespaces for code developed for multiple orgs on multiple instances.

CPolyglot persistence provides support for a global, multilingual user base in multiple orgs on multiple instances.

DOrg-wide data security determines whether other tenants can see data in multiple orgs on the same instance.

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Question: 3

What is the value of x after the code segment executes?String x = 'A';Integer i = 10;if ( i &lt; 15 ) {i = 15;x = 'B';} else if ( i &lt; 20 ) {x = 'C';} else {x = 'D'; }

AD

BA

CB

DC

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Question: 4

How can a developer determine, from the DescribeSObjectResult, if the current user will be able to create records for an object in Apex?

ABy using the isInsertable() method.

BBy using the isCreatable() method.

CBy using the hasAccess() method.

DBy using the canCreate() method.

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Question: 5

What is a valid source and destination pair that can send or receive change sets? (Choose 2)

ADeveloper Edition to Sandbox

BSandbox to Production

CSandbox to Sandbox

DDeveloper Edition to Production

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Salesforce DEX-450 Quiz:19 Topic:7 Questions:91-95