Kingston Infosolutions Services Salesforce Developer Interview Questions and Answers for Freshers

Q1. How do you debug LWC
Ans. 
Debugging LWC involves using browser developer tools, console logs, and Salesforce Lightning Inspector.
• Use browser developer tools to inspect elements and check for errors.

• Utilize console logs to track variables and identify issues in the code.

• Use Salesforce Lightning Inspector to debug server-side Apex calls and network requests.
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Q2. REST SOAP APIs differences
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REST and SOAP APIs are different in terms of architecture, communication, and data formats.
• REST is based on HTTP protocol and uses standard methods like GET, POST, PUT, DELETE, while SOAP is a protocol-agnostic and uses XML for communication.

• REST is lightweight and easier to use, while SOAP is more rigid and has more security features.

• REST APIs are stateless, while SOAP APIs can maintain state between requests.

• REST API...read more
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Q1. U have set of objects lets say case and account related with lookup, find how many cases are there in this account, using best practices
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Q2. Trigger context varaibales
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Q3. Batch apex detailed interfaces, how do u send a notification for batch owner of the record details
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Q4. In lwc, frameworks and best practices,pagination in lwc
Ans. 
Pagination in LWC involves using frameworks and best practices to efficiently display large sets of data.
• Use Lightning Data Service to fetch data efficiently

• Implement server-side pagination to reduce load times

• Consider using third-party libraries like Lightning Datatable with Infinite Scrolling

• Optimize queries and data retrieval to improve performance
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Q1. Apex trigger security model etc
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Q1. Managerial round
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Q1. Salary negotiation
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Asked to write trigger

Q1. Rest api questions
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Q2. Asynchronous apex questions
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1 hr of multiple choices questions all technical questions salesforce admin and development

Q1. Scenario based questions
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Q1. Scenario based questions on profile
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Q2. Difference between queable and feature apex
Ans. 
Queueable is used for asynchronous processing while future apex is used for executing code in a separate thread.
• Queueable is used for complex, long-running processes that can be split into multiple jobs.

• Future apex is used for short, quick processes that need to be executed in a separate thread.

• Queueable jobs can be chained together to run in a specific order.

• Future apex methods are limited in terms of governor limits
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Q1. Scenario how to create 1 to 1 relationship
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To create a 1 to 1 relationship in Salesforce, use a lookup field on the child object pointing to the parent object.
• Create a lookup field on the child object that references the parent object.

• Ensure that the lookup field has a unique constraint to enforce the 1 to 1 relationship.

• Use validation rules or triggers to prevent multiple child records from being linked to the same parent record.
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Q2. Managerial round
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2 hrs , java, sql, in mettel . work hard for these round we selected from digital nurture

Q1. Tell me about your self?
Ans. Thank you for giving me this opportunity my name is KOLA SHIREESHA I am from peddavaram village,tiruvuru mandal, ntr district, comeing to my education qualification my schooling at zpss chennuru and my inter in akshara junior college tiruvuru and my graduation in Sai degree college TIRUVURU and next coming to my family details my family consists 4members including me. My father's name is KOLA VENKANNA.he is business ma...read more
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Q2. What is the full form of BDA
Ans. 
BDA stands for Big Data Analytics.
• BDA refers to the process of examining large and complex data sets to uncover patterns, correlations, and insights.

• It involves using various techniques and tools to analyze data and make informed business decisions.

• Examples of BDA include analyzing customer behavior data to improve marketing strategies or analyzing financial data to identify potential risks.
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Aptitude c c++ sql ds

Q1. Java html css sql
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