Salesforce DEX-450 Online Practice Questions and Exam Preparation

Salesforce DEX-450 Online Questions & Answers

• Question 111:

  A platform developer needs to implement a declarative solution that will display the most recent closed won date for all opportunity records associated with an account. Which field is required to achieve this declaratively?

  A. Roll-up summary field on the opportunity object
  B. Cross-object formula field on the account object
  C. Roll-up summary field on the account object
  D. Cross-object formula field on the opportunity object
  C. Roll-up summary field on the account object

• Question 112:

  What is an important consideration when developing in a multi-tenant environment?

  A. Governor limits prevent tenants from impacting performance in multiple orgs on the same instance.
  B. Unique domain names take the place of namespaces for code developed for multiple orgs on multiple instances.
  C. Polyglot persistence provides support for a global, multilingual user base in multiple orgs on multiple instances.
  D. Org-wide data security determines whether other tenants can see data in multiple orgs on the same instance.
  A. Governor limits prevent tenants from impacting performance in multiple orgs on the same instance.

• Question 113:

  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?

  A. Check if System.executionContext =='Trigger'.
  B. Use the executeOnTrigger annotation on the method definition.
  C. Check if Trigger.isExecuting ==true
  D. Check if Trigger.newMap !=null.
  C. Check if Trigger.isExecuting ==true

• Question 114:

  When a Task is created for a Contact, how can a developer prevent the task from being included on the Activity Timeline of the Contact's Account record?

  A. In Activity Settings, uncheck Roll up activities to a contact's primary account.
  B. By default, tasks do not display on the Account Activity Timiline.
  C. Use Process Builder to create a process to set the Task Account field to blank.
  D. Create a Task trigger to set the Account field to NULL
  A. In Activity Settings, uncheck Roll up activities to a contact's primary account.

• Question 115:

  A newly hired developer discovers that there are multiple triggers on the case object. What should the developer consider when working with triggers?

  A. Developers must dictate the order of trigger execution.
  B. Trigger execution order is based on creation date and time.
  C. Unit tests must specify the trigger being tested.
  D. Trigger execution order is not guaranteed for the same sObject.
  D. Trigger execution order is not guaranteed for the same sObject.

• Question 116:

  A developer needs to include a visualforce page in the detail section of a page layout for the account object, but does not see the page as an available option in the page layout editorwhich attribute must the developer include in the tag to ensure the visualforce page can be embedded in a page layout.

  A. Controller="account"
  B. Extensions="accountcontroller"
  C. Standardcontroller="account"
  D. Action="accountid"
  C. Standardcontroller="account"

• Question 117:

  An org has an existing Visual Flow that creates an Opportunity with an Update records element. A developer must update the Visual Flow also created a Contact and store the created Contact's ID on the Opportunity.

  A. Add a new Get Records element.
  B. Add a new Create records element.
  C. Add a new Quick Action (of type create) element.
  D. Add a new Update records element
  B. Add a new Create records element.

• Question 118:

  A developer executes the following query in Apex to retrieve a list of contacts for each account: List accounts = [Select ID, Name, (Select ID, Name from Contacts) from Account] ; Which two exceptions may occur when it executes? (Choose two.)

  A. CPU limit exception due to the complexity of the query.
  B. SOQL query row limit exception due to the number of contacts.
  C. SOQL query limit exception due to the number of contacts.
  D. SOQL query row limit exception due to the number of accounts.
  C. SOQL query limit exception due to the number of contacts.
  D. SOQL query row limit exception due to the number of accounts.

• Question 119:

  A company that uses a Custom object to track candidates would like to send candidate information automatically to a third -party human resource system when a candidate is hired. What can a developer do to accomplish this task?

  A. Create an escalation rule to the hiring manager.
  B. Create an auto response rule to the candidate.
  C. Create a Process Builder with an outbound message action.
  D. Create a workflow rule with an outbound message action.
  D. Create a workflow rule with an outbound message action.

• Question 120:

  Opportunity opp=[select id ,stagename from opportunity limit 1] Given the code above, how can a developer get the label for the stagename field?

  A. Call"opp.stagename.getdescribe().getlabel()"
  B. Call "opportunity.stagename.label"
  C. Call"opportunity.stagename.getdescribe().getlabel()"
  D. Call"opp.stagename.label"
  C. Call"opportunity.stagename.getdescribe().getlabel()"