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Automatic Data Processing (ADP)
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Automatic Data Processing (ADP) Interview Questions and Answers
87 Interview questions
Custom reduce function in JavaScript
Create a function that takes an array, a callback function, and an initial value as parameters
Iterate through the array and apply the callback function to each element, updating the accumulator
Return the final accumulator value
To detect a loop in a Linked List, we can use Floyd's Cycle Detection Algorithm.
Start with two pointers, slow and fast, both initially pointing to the head of the linked list.
Move the slow pointer by one step and the fast pointer by two steps in each iteration.
If there is a loop, the two pointers will eventually meet at some point within the loop.
There are 7 layers in the OSI model: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Physical layer deals with physical connections and signals
Data Link layer handles error detection and correction
Network layer routes data between different networks
Transport layer ensures data delivery and error checking
Session layer establishes, maintains, and terminates connections
Presentation lay...
An API is a set of rules and protocols that allows different software applications to communicate with each other.
API stands for Application Programming Interface
It defines the methods and data formats that applications can use to request and exchange information
APIs can be used to access services or data from other applications or platforms
Examples include Google Maps API for integrating maps into a website, Twit...
The web works by using a client-server model where clients request and receive information from servers via the internet.
Clients (such as web browsers) send requests for web pages or resources to servers
Servers process these requests and send back the requested information
HTTP (Hypertext Transfer Protocol) is commonly used for communication between clients and servers
Web pages are typically written in HTML (Hypert...
Solve a simple problem involving arrays, focusing on basic operations and manipulations.
Identify the problem: Understand what needs to be achieved with the array.
Common operations: Sorting, searching, or modifying elements.
Example: Given an array of strings, sort them alphabetically.
Edge cases: Consider empty arrays or arrays with duplicate strings.
An IP address is a unique numerical label assigned to each device connected to a computer network.
IP address stands for Internet Protocol address.
It is used to identify and locate devices on a network.
There are two types of IP addresses - IPv4 and IPv6.
IPv4 addresses are written in the format xxx.xxx.xxx.xxx, where each 'xxx' can be a number from 0 to 255.
IPv6 addresses are written in a longer format with hexadeci...
There are two types of IP addresses - IPv4 and IPv6.
IPv4 addresses are 32-bit numerical addresses written in the format of four sets of numbers separated by periods (e.g. 192.168.1.1)
IPv6 addresses are 128-bit hexadecimal addresses written in the format of eight groups of four hexadecimal digits separated by colons (e.g. 2001:0db8:85a3:0000:0000:8a2e:0370:7334)
Type 2 SCD is used to track historical changes in data, creating new records for each change.
In our project, we use Type 2 SCD to track changes in customer information such as address, phone number, and email.
When a customer's address changes, a new record is created with the updated address and a new surrogate key.
This allows us to maintain a history of customer information and analyze trends over time.
Star schema has a centralized fact table with denormalized dimensions, while snowflake schema has normalized dimensions.
Star schema is simpler and easier to understand compared to snowflake schema.
In star schema, dimensions are denormalized and directly connected to the fact table.
Snowflake schema has normalized dimensions, meaning dimensions are further broken down into sub-dimensions.
Star schema is more suitable...
Automatic Data Processing (ADP) Interview Experiences
258 interviews found
Anonymous
I appeared for an interview in Dec 2024.
A standardized assessment that measures a person's skills, cognitive abilities, and potential to perform in a specific role.
(4 Questions)
- Q1. Technical interview questions at Automatic Data Processing (ADP) may cover topics such as programming, databases, and software development.
- Q2. They may also ask about problem-solving and how you approach challenging tasks.
- Q3. Emphasize a structured method that involves clearly defining the issue, gathering relevant information, brainstorming potential solutions, evaluating options carefully, implementing the chosen solution, an...
- Q4. Data structures, algorithms, SQL querying, object-oriented programming principles, software development lifecycle, database concepts (relational vs. NoSQL), coding challenges in relevant languages (like Py...
(2 Questions)
- Q1. May ask about your background, skills, and how you handle challenges
- Q2. Background questions Tell me about yourself, What are your career goals, What are your strengths and weaknesses, What do you know about ADP, and Why do you want to work at ADP.
Interview Preparation Tips
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. What is the OOP (Object-Oriented Programming) concept in programming languages?
- Ans.
OOP is a programming paradigm based on objects, encapsulating data and behavior for modular and reusable code.
Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).
Inheritance: Mechanism to create a new class from an existing class, inheriting attributes and methods (e.g., a 'Dog' class inheriting from an 'Animal' class).
Polymorphism: Ability to present the same interface for...
- Q2. What are the basic concepts of Data Structures and Algorithms (DSA) that may be asked in an interview?
- Ans.
Understanding DSA basics is crucial for problem-solving and optimizing code efficiency in software development.
1. Data Structures: Organize data for efficient access and modification. Examples: Arrays, Linked Lists, Stacks, Queues.
2. Algorithms: Step-by-step procedures for calculations. Examples: Sorting (QuickSort, MergeSort), Searching (Binary Search).
3. Time Complexity: Measure of algorithm efficiency. Example: O(n)...
- Q3. Communication should be good
sadiq anwar
I applied via Walk-in and was interviewed in Dec 2024. There were 2 interview rounds.
Inquiring about salary expectations will likely lead to an offer that does not exceed 30%, with 12% as a variable amount allocated for a performance bonus, which you may never receive, based on the rationale that your experience is not relevant, despite having a background in a related field such as voice processing. Additionally, do not anticipate clear job descriptions, as the company's approach is broad and diplomatic, reflecting a lack of transparency.
(2 Questions)
- Q1. Tell me about yourself.
- Ans.
Experienced voice process executive with strong communication skills and a proven track record of delivering exceptional customer service.
Over 5 years of experience in handling customer queries and resolving issues efficiently
Proficient in using CRM software to track customer interactions and maintain records
Skilled in active listening and problem-solving to ensure customer satisfaction
Ability to work well under pressu...
- Q2. Questions which are not relevant or the process and work criteria they are not aware of from previous job role,and if you have number or percentage in your resume then please remove it that will be ur ene...
Interview Preparation Tips
The unfortunate reality is that even while working with INTERNATIONAL BRANDS and COMPANIES, people (HR AND UPPER-LEVEL MANAGEMENT) still exhibit an INDIAN NARROW and DOMINATING MINDSET, which is very disappointing. They ask us to THINK OUT OF THE BOX but are unwilling to be BROAD-MINDED themselves, continuing to judge people solely on the basis of a two-page resume.
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. What are the steps involved in calculating United States taxes?
- Ans.
Calculating U.S. taxes involves determining taxable income, applying tax rates, and accounting for deductions and credits.
Determine Gross Income: Sum all sources of income, including wages, bonuses, and investment income.
Calculate Adjusted Gross Income (AGI): Subtract specific deductions (like retirement contributions) from gross income.
Identify Taxable Income: Subtract standard or itemized deductions from AGI to find ...
- Q2. What are the different types of SAP info types used for master data updation for payroll processing
- Ans.
SAP info types are essential for managing employee master data in payroll processing, ensuring accurate and compliant payroll calculations.
IT0000 - Actions: Records employee actions like hiring, termination, and changes in employment status.
IT0001 - Organizational Assignment: Captures the employee's position, department, and reporting structure.
IT0002 - Personal Data: Contains essential personal information such as nam...
I appeared for an interview in Feb 2025.
General aptitude encompasses mathematical skills, logical reasoning, verbal abilities, and analytical reasoning.
Voice test to read the sentences provided.
(2 Questions)
- Q1. When was Java created and who developed it?
- Ans.
Java was created in 1995 by Sun Microsystems, led by James Gosling, as a versatile programming language for various applications.
Developed by Sun Microsystems, with James Gosling as the lead developer.
Originally released in May 1995 as part of the Java 1.0 platform.
Designed to be platform-independent, using the 'Write Once, Run Anywhere' (WORA) principle.
Widely used for web applications, mobile applications (Android), ...
- Q2. What are the advantages of using MySQL over Microsoft Excel?
- Ans.
MySQL offers scalability, data integrity, and advanced querying capabilities compared to Microsoft Excel.
Scalability: MySQL can handle large datasets efficiently, while Excel may slow down with extensive data.
Data Integrity: MySQL enforces data types and constraints, reducing errors compared to Excel's manual entry.
Advanced Querying: MySQL supports complex queries using SQL, enabling sophisticated data analysis not pos...
I applied via Referral and was interviewed in Dec 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Tell me about yourself?
- Ans.
Data Analytics Analyst with a passion for transforming data into actionable insights, skilled in statistical analysis and visualization tools.
Educational background in Statistics and Data Science, with a Master's degree from XYZ University.
Experience working with SQL and Python for data manipulation and analysis, including a project where I optimized a sales forecasting model.
Proficient in data visualization tools like...
- Q2. Why ADP?
- Ans.
ADP is a leading provider of HR and payroll solutions with a strong reputation for innovation and customer service.
ADP has a strong reputation for innovation in HR and payroll solutions
ADP is a leading provider in the industry with a wide range of services
ADP has a strong focus on customer service and support
ADP offers advanced data analytics tools and technologies for clients
(3 Questions)
- Q1. What do you know about SQL?
- Ans.
SQL is a programming language used for managing and manipulating relational databases.
SQL stands for Structured Query Language
It is used to communicate with databases to perform tasks such as querying data, updating data, and creating tables
Common SQL commands include SELECT, INSERT, UPDATE, DELETE
SQL is used in various database management systems such as MySQL, PostgreSQL, Oracle
Knowledge of SQL is essential for data ...
- Q2. How can you write a query to retrieve details from two tables and present them in a single table format?
- Ans.
Use SQL JOIN to combine data from two tables into a single table format.
Use the JOIN keyword in SQL to combine data from two tables based on a related column.
Specify the columns you want to retrieve from each table in the SELECT statement.
Use the ON keyword to specify the column from each table that should be used for the join condition.
You can use different types of joins such as INNER JOIN, LEFT JOIN, RIGHT JOIN, or ...
- Q3. What is the SQL query to retrieve the number of students grouped by their respective streams?
- Ans.
SQL query to retrieve number of students grouped by streams
Use the GROUP BY clause to group students by their streams
Use the COUNT function to retrieve the number of students in each group
Example: SELECT stream, COUNT(student_id) FROM students_table GROUP BY stream
These are some tests they have copied from other organizations.
Interview Preparation Tips
Schedule one on ones so he can start the day by shouting at people.
Belittling
Humiliating
Crushing people's confidence
Every year, he goes on a rampage so he can replace his entire team.This is a routine toxic practice he religiously follows regardless of the work that you do.
He has a step by plan, follows the exact same script regardless of what you do and don't do. For example, a co-worker who has a MA in linguistics was told to improve her English. This is hilarious and ironic at the same time. Another Co worker who has trained at least 15000 associates across locations in the last 2 decades. And suddenly the organization realizes that she missed a full stop. And she gets fired for a full stop, a comma and a colon.
Ridiculous, horrible, pathetic are just a few small words for this place. MY SERIOUS ADVISE, DON'T JOIN. SIT AT HOME BUT NEVER JOIN ADP.
It is nice to do work
It helps in understanding the 5
It helps a lot in company
(5 Questions)
- Q1. How to do job in company?
- Q2. What I should do?
- Q3. How to do work?
- Ans.
Effective work involves planning, execution, analysis, and continuous improvement to achieve goals efficiently.
Set clear goals: Define what you want to achieve, e.g., completing a project by a specific deadline.
Plan your tasks: Break down your work into manageable tasks, like creating a timeline for data analysis.
Prioritize: Focus on high-impact tasks first, such as analyzing key metrics that drive business decisions.
U...
- Q4. What should I do
- Q5. What is the goal?
- Ans.
The goal of a Data Analyst is to analyze data to extract valuable insights and make data-driven decisions.
Identify trends and patterns in data
Create visualizations to communicate findings
Provide actionable recommendations based on data analysis
(5 Questions)
- Q1. Self intro , what is payroll, tax
- Q2. What is excel Ai, chat GPT
- Ans.
Excel AI and Chat GPT are tools that use artificial intelligence to enhance Excel functionality and enable chatbot interactions.
Excel AI integrates AI capabilities into Excel to automate tasks and provide insights.
Chat GPT is a chatbot platform powered by OpenAI's GPT-3 model for natural language processing.
Both tools leverage AI to improve productivity and user experience in different ways.
- Q3. Previous experience has to share
- Q4. Excel questions
- Q5. What do know about current affairs
- Ans.
I stay updated on current affairs by regularly reading news articles, watching news channels, and following reputable sources on social media.
I make it a habit to read news articles from reputable sources such as BBC, CNN, and The New York Times.
I watch news channels like BBC News, CNN, and Al Jazeera to stay informed about global events.
I follow reputable news sources on social media platforms like Twitter and Faceboo...
Interview Preparation Tips
Dislikes
Abhishek rai from TCS he came to ADP as asst manager he every time asks about YEAR-END YEAR-END he did not give training only to me and assigned one superior he is muslim guy Syed Mudassar he gave training only 4 days and my tasks consists of 10 in that he gave one task training only there is no training room in meeting cabins if any cabin is empty there only on small moniter they will show task once or twice and he will handover live cases and tasks are one but live cases are plenty types I did not commit mistake also Abhishek rai was telling do you have any idea of SECURITY INCIDENT happened yesterday I said what he is telling you missed one case and that case was missed by that senior sitting beside me and he blamed on me if they don't like you they will ask us to voluntarily resign and leave if we don't they corner us and does harrassment untill you resign
And they collect money for birthday celebration in team and colleagues getting married for that 500 every month birthday and marriage gift seperate
Work Details
Work policy: In this company if at all you miss coming to office one day among three day then your ID will turn into red and you have to compensate one extra day in next week
Work days: Monday to Friday (Strict Timings)
Work related travel: This job involves travel within city.
Skills evaluated in this interview
Selected
I appeared for an interview in Dec 2024.
Basic technical question.
(1 Question)
- Q1. Basic iti questions.
Interview Preparation Tips
No job security will kick any second.
Very less salary.
Owners don't know how to do buisness.
Don't know how to treat employee.
Don't want to train new / fresher employee.
Most of the employe leave within 6 month.
Here experince will be no use.
Daily one on one reporting to one of the owner to tell what work was done today. That take hours easily to leave for home.
Have to sit on stairs for lunch.
No one gives clear instruction on how to do work.
And lot more
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Automatic Data Processing (ADP) Interview FAQs
Some of the top questions asked at the Automatic Data Processing (ADP) interview -
The duration of Automatic Data Processing (ADP) interview process can vary, but typically it takes about less than 2 weeks to complete.
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Automatic Data Processing (ADP) Interviews By Designations
- Automatic Data Processing (ADP) Member Technical Interview Questions
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Automatic Data Processing (ADP) Reviews and Ratings
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Rating in categories
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