Salesforce DEX-450 Quiz 9 Topic 9 Questions 41-45

Question: 1

What are two valid options for iterating through each Account in the collection List&lt;Account&gt; named AccountList? (Choose two.)

Afor (Account theAccount : AccountList) {...}

Bfor(AccountList) {...}

Cfor (List L : AccountList) {...}

Dfor (Integer i=0; i < AccountList.Size(); i++) {...}

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Question: 2

Universal Containers wants Opportunities to be locked from editing when reaching the Closed/Won stage.

Which two strategies should a developer use to accomplish this? (Choose two.)

AUse a Visual Workflow.

BUse a validation rule.

CUse the Process Automation Settings.

DUse a Trigger.

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Question: 3

A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the system. Whithin the class, the developer identifies the following method as a security threat: List&lt;Contact&gt; performSearch(String lastName){ return Database.query('Select Id, FirstName, LastName FROM Contact WHERE LastName Like %'+lastName+'%); } What are two ways the developer can update the method to prevent a SOQL injection attack? Choose 2 answers

AUse variable binding and replace the dynamic query with a static SOQL. (Missed)

BUse the escapeSingleQuote method to sanitize the parameter before its use. (Missed)

CUse a regular expression expression on the parameter to remove special characters.

DUse the @Readonly annotation and the with sharing keyword on the class.

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Question: 4

A developer writes the following code:

q4_DEX-450

What is the result of the debug statement?

A1, 100

B1, 150

C2, 150

D2, 200

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Question: 5

Given the following block code: try{ List &lt;Accounts&gt; retrievedRecords = [SELECT Id FROM Account WHERE Website = null]; }catch(Exception e){ //manage exception logic } What should a developer do to ensure the code execution is disrupted if the retrievedRecordslist remains empty after the SOQL query?

ACheck the state of the retrieveRecords variable and throw a custom exception if the variable is empty.

BCheck the state of the retrievedRecords variable and use System.assert(false) if the variable is empty

CCheck the state of the retrievedRecords variable and access the first element of the list if the variable is empty.

DReplace the retrievedRecords variable declaration from a List of Account to a single Account.

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Salesforce DEX-450 Quiz:9 Topic:9 Questions:41-45