Salesforce DEX-450 Quiz 49 Topic 4 Questions 241-245

Question: 1

Which collection type provides unique key/value pairings of data?

AMap

BList

CArray

DSet

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Question: 2

A developer created a helper class with a method that can be called from Visualforce pages, web services, triggers, and of even anonymous code. When the method is called from a trigger, the developer needs to execute logic that should not be executed If the method Is called from anywhere else. How can the developer determine if the code Is executed in a trigger context?

ACheck if System.executionContext =='Trigger'.

BUse the executeOnTrigger annotation on the method definition.

CCheck if Trigger.isExecuting ==true

DCheck if Trigger.newMap !=null.

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Question: 3

What are two considerations for deciding to use a roll-up summary field? Choose 2 answer's partner.

ARoll-up summary can be performed on formula fields, but if their formula contains an #Error result, it may affect the summary value.

BRoll-up summary fields do not cause validation rules on the parent object unless that object is edited separately.

CRoll-up cannot be performed on formula fields.

DRoll-up cannot be performed on formula fields that use cross-object references or on-the-fly calculations such as NOW().

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Question: 4

In Lightning component framework, which resource can be used to fire events? Choose 2 answers.

AThird-party Javascript code

BJavascript controller actions

CVisualforce controller actions

DThird-party web service code

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Question: 5

What is the advantage of Salesforce Lightning?

AUses service side for better handling

BOption 4

CPre-defined components to give Standard Look and Feel

DOption 3

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Salesforce DEX-450 Quiz:49 Topic:4 Questions:241-245