SFDCWallah

Hello Guys, when we want to prepare for interview we need some questions to prepare so today i am writing some questions for preparation.I will update these questions time to time.

Please tell me questions in comments which i can add in this list.

• Tell me something about yourself
• What is your current project?
• What is your role in your current project?
• What is the difficult thing you have implemented in your entire experience?
• Why do you want to leave your current company?
• What is a Profile?Can a User in SFDC exist without a Profile?
• What is Permission Set? What is the need of it and Give me a real use case in which i need to implement the permission set.
• What is Role Hierarchy?
• What is Owd?
• If a user on Account having OWD private and at profile level he has CRUD permissions so he will be able to create account records or not?
• Difference between Role Hierarchy and Profile?
• what is a workflow?What actions we can perform using workflow?
• How many emails we can send using a single workflow?
• How many Field Update and Task we can create using a single workflow?
• Is parent to child field update is possible in workflow?
• What will be called first, trigger or workflow?
• What is process builder and how it is different from workflow?
• What actions we can do with workflow but not with process builder?
• What actions we can do with process builder but not with workflow?
• How we can make a class available to call in process builder?
• What is a Trigger?How many types of Trigger are there in SFDC?
• Difference between Trigger.New and Trigger.NewMap?
• Difference between Trigger.New and Trigger.old?
• Difference between Trigger.old and Trigger.OldMap?
• In all before and after events what value we will get of trigger context variables
• What we can do in before triggers?Give me a real use case in which i can implement only before trigger not after?
• What we can do in after triggers?Give me a real use case in which i can implement only after trigger not before?
• What is a batch class?
• What are the required methods to write a batch class?
• If there are 3 objects which have no relationship with each other then can we update the records of all three objects in batch class?
• What are Batchable,Queable or Stateful?classes or interfaces?
• Can we perform child to parent field update in process builder?
• Can we delete a user in SFDC?
• Is it possible to create a batch class without finish() method? if not then why it is necessary even we are not writing any code in it.
• what is a future method?
• Difference between future method and batch class?
• Can we call a future method in a batch class?
• Can we call a batch class from future method?
• what are different Asynchronous process in SFDC.
• When we have standard controller, why we need custom controller?
• When we have custom controller, why we need custom extensions?
• What is System mode or User mode?
• A trigger will run in a user mode or system mode?
• What is the purpose of using with sharing and without sharing keywords? What will follow if i will not use any of these keywords in my class?
• What is the return type of Trigger.new?
• What is the return type of Trigger.newMap?
• What are the best practices of Apex,Vf pages,Triggers and Test Classes?
• How we can reduce the view state of VF page?
• What is the view state size of VF page?
• Write a trigger to count the no. of contacts related to an account.
• Write a trigger to count the no.of parent accounts of an account.
• For example There is current scenario: A—->B—–>C.A is parent of B and B is parent of C.We need to copy a field value of object C to the field of object A.How we will achieve this?
• How Lightning Components is different from Visualforce Components?Give me solid example which can prove that lightning components are better than vf component.
• How many resources are present in a component bundle?
• How we can call a child component method in parent component in lightning components?
• Can we call controller method inside another controller method in lightning components if possible then how?
• Can we call a helper method inside another helper method in lightning components if possible then how?
• How many types of events are there in lightning components?
• When we will use application event and when component event?
• How we can use a static resource inside lightning component?
• Why we need to add interface while developing LEX components?
• Why there are two JS controllers in component bundle?
• What are the different events fired during component rendering lifecycle?
• How we can extend a parent component inside child component?What we need to do in parent component to be extensible?
• What is bubble and capture phase in LEX components?
• What are the functionalities that are available in classic experience but not in LEX?
• How FLS can be ensured while developing LEX components?
• How an apex class will be available to call by a LEX component?
• Why Salesforce introduced LWC when we have LEX components?
• How we can write a test class for LEX apex controller?
• What is the use of Renderer resource in lightning component bundle?
• How we can use a lightning component inside vf page?
• what is the purpose of using Design resource in lightning component?
• What is a wrapper class?Why we need wrapper class in sfdc?
• How we can send the variable value from vf page to the controller?
• Difference between actionFunction and actionSupport?
• How we can get the id from Url in sfdc?
• How we can access a private variable in test class?
• Write a trigger to insert an account with a related opportunity?
• How we can stop a recursive trigger?
• What is the size of single attachment in salesforce?
• What is the maximum size of static resource we can store in salesforce?
• What is the difference between Documents, Attachments, Files and Static Resources in Salesforce?
• What is Mixed DML exception and how we will resolve it?