DEX-450 Premium Exam Engine – Download Free PDF Questions [Q104-Q119]

问题 104
What should a developer use to fix a Lightning web component bug in a sandbox?

问题 105
A developer creates a method in an Apex class and needs to ensure that errors are handled properly.What would the developer use? (There are three correct answers.)

问题 106
A developer in a Salesforce org with 100 Accounts executes the following code using the Developer console:Account myAccount = new Account(Name = ‘MyAccount’);Insert myAccount;For (Integer x = 0; x < 150; x++)
{Account newAccount = new Account (Name=’MyAccount’ + x);try {Insert newAccount;} catch (Exception ex) {System.debug (ex) ;}}insert new Account (Name=’myAccount’);How many accounts are in the org after this code is run?

问题 107
Which three web technologies can be integrated into a Visualforce page? Choose 3 answares

问题 108
A lead developer creates an Apex interface called “Laptop”. Consider the following code snippet:

How can a developer use the Laptop Interface within the Silvertaptop class?

问题 109
developer created this Apex trigger that calls MyClass .myStaticMethod: trigger myTrigger on Contact(before insert) ( MyClass.myStaticMethod(trigger.new, trigger.oldMap); } The developer creates a test class with a test method that calls MyClass.mystaticMethod, resulting in 81% overall code coverage. What happens when the developer tries to deploy the trigger and two classes to production, assuming no other code exist?

问题 110
开发人员编写了一个插入前触发器。开发人员如何访问触发器主体中的输入记录？

问题 111
Cloud Kicks has a multi-screen flow that its call center agents use when handling inbound service desk calls.
At one of the steps in the flow, the agents should be presented with a list order numbers and dates that are retrieved from an external order management system in real time and displayed on the screen.
What should a developer use to satisfy this requirement?

问题 112
Which code displays the contents of a Visualforce page as a PDF?

问题 113
A developer considers the following snippet of code:

Based on this code, what is the value of x?

问题 114
A lead object has a custom field Prior_Email__c. The following trigger is intended to copy the current Email into the Prior_Email__c field any time the Email field is changed:

Which type of exception will this trigger cause?

问题 115
Refer to the component code 9fd requirements below:

要求
* For mobile devices. the information should display in three rows.
* For desktops and tablets, the information should display in a single row.
Requirement 2 is not displaying as desired.
Which option has the correct component code to meet the requirements for desktops end and tablets?

问题 116
When importing and exporting data into Salesforce, which two statements are true? Choose 2 answers

问题 117
Which action causes a before trigger to fire by default for Accounts?

问题 118
Which two queries can a developer use in a visualforce controller to protect against SOQL injection Vulnerabilities? Choose 2 answers

问题 119
Which standard field is required when creating a new contact record?