Salesforce Salesforce Certifications DEX-450 Questions & Answers

• Question 381:

  Which type of code represents the Model in the MVC architecture when using Apex and Visualforce pages?

  A. A Controller Extension method that saves a list of Account records

  B. Custom JavaScript that processes a list of Account records

  C. A list of Account records returned from a Controller Extension method

  D. A Controller Extension method that uses SOQL to query for a list of Account records

  Correct Answer: C

• Question 382:

  What is a valid Apex statement?

  A. Map conMap = (SELECT Name FROM Contact);

  B. Account[] acctList = new List{new Account()}

  C. Integer w, x, y = 123, z = 'abc',

  D. Private static constant Double rate = 775;

  Correct Answer: B

• Question 383:

  What are two characteristics of partial copy sandboxes versus full sandboxes? Choose 2 answers

  A. Includes a subset of metadata

  B. Requires a sandbox template

  C. Supports more frequent refreshes

  D. Provides more data record storage

  Correct Answer: AC

• Question 384:

  What is the advantage of Salesforce Lightning?

  A. Uses service side for better handling

  B. Option 4

  C. Pre-defined components to give Standard Look and Feel

  D. Option 3

  Correct Answer: C

• Question 385:

  Where can debug log filter settings be set?Choose 2 answers

  A. The Filters link by the monitored user's name within the web UI.

  B. The Show More link on the debug log's record.

  C. On the monitored user's name.

  D. The Log Filters tab on a class or trigger detail page.

  Correct Answer: AD

• Question 386:

  Developer needs to automatically populate the Reports To field in a Contact record based on the values of the related Account and Department fields in the Contact record. Which type of trigger would the developer create? Choose 2 answers

  A. Before update

  B. After insert

  C. Before insert

  D. After update

  Correct Answer: AC

• Question 387:

  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"

  Correct Answer: C

• Question 388:

  A developer wants to store a description of a product that can be entered on separate lines by a user during product setup and later displayed on a Visualforce page for shoppers. Which field type should the developer choose to ensure that the description will be searchable in the custom Apex SOQL queries that are written?

  A. Text Area (Rich)

  B. Text Area (Long)

  C. Text

  D. Text Area

  Correct Answer: D

• Question 389:

  On which object can an administrator create a roll-up summary field?

  A. Any object that is on the master side of a master-detail relationship.

  B. Any object that is on the parent side of a lookup relationship.

  C. Any object that is on the detail side of a master-detail relationship.

  D. Any object that is on the child side of a lookup relationship.

  Correct Answer: A

• Question 390:

  The following Apex method is part of the ContactService class that is called from a trigger: public static void setBusinessUnitToEMEA(Contact thisContact){ thisContact.Business_Unit__c = "EMEA" ; update thisContact; }

  How should the developer modify the code to ensure best practice are met?

  A. Public static void setBusinessUnitToEMEA(List contacts){ for(Contact thisContact : contacts) { thisContact.Business_Unit__c = 'EMEA' ; update contacts[0]; } }

  B. Public static void setBusinessUnitToEMEA(List contacts){ for(Contact thisContact : contacts) { thisContact.Business_Unit__c = 'EMEA' ; } update contacts; }

  C. Public static void setBusinessUnitToEMEA(Contact thisContact){ List contacts = new List(); contacts.add(thisContact.Business_Unit__c = 'EMEA'); update contacts; }

  D. Public void setBusinessUnitToEMEA(List contatcs){ contacts[0].Business_Unit__c = 'EMEA' ; update contacts[0]; }

  Correct Answer: C