Salesforce CRT-450 Quiz 35 Topic 4 Questions 171-175

Question: 1

What is a valid statement about Apex classes and interfaces? Choose 2 answers:

AThe default modifier for a class is private.

BException classes must end with the word exception.

CA class can have multiple levels of inner classes.

DThe default modifier for an interface is private.

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Question: 2

A developer has the following trigger that fires after insert and creates a child Case whenever a new Case is created. List<Case> childCases = new List<Case>();for (Case parent : Trigger.new){Case child = new Case (ParentId = parent.Id, Subject = parent.Subject);childCases.add(child);}insert childCases; What happens after the code block executes?

AMultiple child cases are created for each parent case in Trigger.new.

BChild case is created for each parent case in Trigger.new.

CThe trigger enters an infinite loop and eventually fails.

DThe trigger fails if the Subject field on the parent is blank.

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Question: 3

When the number of record in a recordset is unknown, which control statement should a developer use to implement a set of code that executes for every record in the recordset, without performing a .size() or .length() method call?

AFor (init_stmt, exit_condition; increment_stmt) { }

BDo { } While (Condition)

CFor (variable : list_or_set) { }

DWhile (Condition) { ... }

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Question: 4

Which code segment can be used to control when the dowork() method is called?

AFor (Trigger.isRunning t: Trigger.new) { dowork(); }

BIf(Trigger.isRunning) dowork();

CFor (Trigger.isInsert t: Trigger.new) { dowork(); }

DIf(Trigger.isInsert) dowork();

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Question: 5

When would a developer use a custom controller instead of a controller extension? Choose 2 answers:

AWhen a Visualforce page needs to replace the functionality of a standard controller.

BWhen a Visualforce page does not reference a single primary object.

CWhen a Visualforce page should not enforce permissions or field-level security.

DWhen a Visualforce page needs to add new actions to a standard controller.

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Salesforce CRT-450 Quiz:35 Topic:4 Questions:171-175