QUESTION: 97

What is a recommended practice with regard to the Apex CPU limit? (Choose two.)

Optimize SOQL query performance
Use Map collections to cache sObjects
Avoid nested Apex iterations
Reduce view state in Visualforce pages

Answer(s): B,C

A developer wants to create a Visualforce page that allows a user to search for a given account by Name. If the account is found, the account details should be populated on screen. If no account is found, an error message should be displayed to the user.

How can this be accomplished? (Choose two.)

Use the (apex: information) tag to display the error message
Use the ApexPages.addMessage() method to add the error message
Use the <apex:pageMessages> tag to display the error message
Use the account.addError() method to add the error message

Answer(s): B,C

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QUESTION: 99

A developer has built a multi-page wizard using a single Custom Controller to query and update data. Users are complaining that the pages are loading slowly.
What will improve performance? (Choose three.)

Reducing the view state
Using actionRegion and rerender
Turning off the standard stylesheet
Setting the Apex Page attribute cache=true
Using selective queries

Answer(s): A,C,E

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QUESTION: 100

A developer writes the following Apex trigger so that when a Case is closed, a single Survey record is created for that Case. The issue is that multiple Survey_c records are being created per Case.

trigger CaseTrigger on Case (after insert, after update){ List<Survey_c> createSurveys = new List<Survey_c>(); for (Case c : trigger.new){ if (c.IsClosed && (trigger.isInsert II trigger.isUpdate && trigger.oldMap.get(c.Id).IsClosed == false)){ createSurveys.add(new Survey_c(Case_c = c.Id)); } } insert createSurveys; }

What could be the cause of this issue?

A user is creating the record as Closed
A workflow rule is firing with a Create Task action
A workflow rule is firing with a Field Update action
A user is editing the record multiple times

Answer(s): C

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QUESTION: 100