Salesforce CRT-450 Quiz 15 Topic 7 Questions 71-75

Question: 1

What is an accurate statement about variable scope? (Choose 3)

AParallel blocks can use the same variable name.

BA variable can be defined at any point in a block.

CSub-blocks cannot reuse a parent block's variable name.

DSub-blocks can reuse a parent block's variable name if it's value is null.

EA static variable can restrict the scope to the current block of its value is null.

Show Answer

Question: 2

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.

Show Answer

Question: 3

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

AD

BA

CB

DC

Show Answer

Question: 4

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.

Show Answer

Question: 5

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.

Show Answer

Salesforce CRT-450 Quiz:15 Topic:7 Questions:71-75