Amazon
Avaya
Cisco
CompTIA
CrowdStrike
EC-Council
EXIN
Fortinet
Google
ISC
ISC2
ITIL
Juniper
Microsoft
NVIDIA
Okta
Palo Alto Networks
Salesforce
All Vendors
  1. Home
  2. Salesforce
  3. DEX-450

Salesforce DEX-450 Exam (page: 9)
Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience
Updated on: 15-Feb-2026

Viewing Page 9 of 93
DEX-450 PDF 456 Questions

The operation manager at a construction company uses a custom object called Machinery to manage the usage and maintenance of its cranes and other machinery. The manager wants to be able to assign machinery to different constructions jobs, and track the dates and costs associated with each job. More than one piece of machinery can be assigned to one construction job.

What should a developer do to meet these requirements?

  1. Create a lookup field on the Construction Job object to the Machinery object.
  2. Create a lookup field on the Machinery object to the Construction Job object.
  3. Create a junction object with Master-Detail Relationship to both the Machinery object and the Construction Job object.
  4. Create a Master-Detail Lookup on the Machinery object to the Construction Job object.

Answer(s): A



Which two strategies should a developer use to avoid hitting governor limits when developing in a multi-tenant environment? (Choose two.)

  1. Use collections to store all fields from a related object and not just minimally required fields.
  2. Use methods from the "Limits" class to monitor governor limits.
  3. Use SOQL for loops to iterate data retrieved from queries that return a high number of rows.
  4. Use variables within Apex classes to store large amounts of data.

Answer(s): B,C



Which set of roll-up types are available when creating a roll-up summary field?

  1. COUNT, SUM, MIN, MAX
  2. AVERAGE, SUM, MIN, MAX
  3. SUM, MIN, MAX
  4. AVRAGE, COUNT, SUM, MIN, MAX

Answer(s): A



What is the result of the debug statements in testMethod3 when you create test data using testSetup in below code?

  1. Account0.Phone=333-8781, Account1.Phone=333-8780
  2. Account0.Phone=888-1515, Account1.Phone=999-2525
  3. Account0.Phone=333-8780, Account1.Phone=333-8781
  4. Account0.Phone=888-1515, Account1.Phone=999-1515

Answer(s): C



Which three options allow a developer to use custom styling in a Visualforce page? (Choose three.)

  1. <apex:stylesheet> tag
  2. Inline CSS
  3. <apex:style>tag
  4. <apex:stylesheets>tag
  5. A static resource

Answer(s): A,B,E



Viewing Page 9 of 93



Share your comments for Salesforce DEX-450 exam with other users:

Kettie 10/12/2023 1:18:00 AM

this is very helpful content
Anonymous


SB 7/21/2023 3:18:00 AM

please provide the dumps
UNITED STATES


David 8/2/2023 8:20:00 AM

it is amazing
Anonymous


User 8/3/2023 3:32:00 AM

quesion 178 about "a banking system that predicts whether a loan will be repaid is an example of the" the answer is classification. not regresion, you should fix it.
EUROPEAN UNION


quen 7/26/2023 10:39:00 AM

please upload apache spark dumps
Anonymous


Erineo 11/2/2023 5:34:00 PM

q14 is b&c to reduce you will switch off mail for every single alert and you will switch on daily digest to get a mail once per day, you might even skip the empty digest mail but i see this as a part of the daily digest adjustment
Anonymous


Paul 10/21/2023 8:25:00 AM

i think it is good question
Anonymous


Unknown 8/15/2023 5:09:00 AM

good for students who wish to give certification.
INDIA


Ch 11/20/2023 10:56:00 PM

is there a google drive link to the images? the links in questions are not working.
AUSTRALIA


Joey 5/16/2023 5:25:00 AM

very promising, looks great, so much wow!
Anonymous


alaska 10/24/2023 5:48:00 AM

i scored 87% on the az-204 exam. thanks! i always trust
GERMANY


nnn 7/9/2023 11:09:00 PM

good need more
Anonymous


User-sfdc 12/29/2023 7:21:00 AM

sample questions seems good
Anonymous


Tamer dam 8/4/2023 10:21:00 AM

huawei is ok
UNITED STATES


YK 12/11/2023 1:10:00 AM

good one nice
JAPAN


de 8/28/2023 2:38:00 AM

please continue
GERMANY


DMZ 6/25/2023 11:56:00 PM

this exam dumps just did the job. i donot want to ruffle your feathers but your exam dumps and mock test engine is amazing.
UNITED KINGDOM


Jose 8/30/2023 6:14:00 AM

nice questions
PORTUGAL


Tar01 7/24/2023 7:07:00 PM

the explanation are really helpful
Anonymous


DaveG 12/15/2023 4:50:00 PM

just passed my exam yesterday on my first attempt. these dumps were extremely helpful in passing first time. the questions were very, very similar to these questions!
Anonymous


A.K. 6/30/2023 6:34:00 AM

cosmos db is paas not saas
Anonymous


S Roychowdhury 6/26/2023 5:27:00 PM

what is the percentage of common questions in gcp exam compared to 197 dump questions? are they 100% matching with real gcp exam?
Anonymous


Bella 7/22/2023 2:05:00 AM

not able to see questions
Anonymous


Scott 9/8/2023 7:19:00 AM

by far one of the best sites for free questions. i have pass 2 exams with the help of this website.
CANADA


donald 8/19/2023 11:05:00 AM

excellent question bank.
Anonymous


Ashwini 8/22/2023 5:13:00 AM

it really helped
Anonymous


sk 5/13/2023 2:07:00 AM

excelent material
INDIA


Christopher 9/5/2022 10:54:00 PM

the new versoin of this exam which i downloaded has all the latest questions from the exam. i only saw 3 new questions in the exam which was not in this dump.
CANADA


Sam 9/7/2023 6:51:00 AM

question 8 - can cloudtrail be used for storing jobs? based on aws - aws cloudtrail is used for governance, compliance and investigating api usage across all of our aws accounts. every action that is taken by a user or script is an api call so this is logged to [aws] cloudtrail. something seems incorrect here.
UNITED STATES


Tanvi Rajput 8/14/2023 10:55:00 AM

question 13 tda - c01 answer : quick table calculation -> percentage of total , compute using table down
UNITED KINGDOM


PMSAGAR 9/19/2023 2:48:00 AM

pls share teh dump
UNITED STATES


zazza 6/16/2023 10:47:00 AM

question 44 answer is user risk
ITALY


Prasana 6/23/2023 1:59:00 AM

please post the questions for preparation
Anonymous


test user 9/24/2023 3:15:00 AM

thanks for the questions
AUSTRALIA