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IBM Interview Questions and Answers for Experienced

Updated 3 Jul 2025
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520 Interview questions

A Senior System Analyst was asked
Q. Explain the internal workings of a HashMap.
Ans. 

Hashmap is a data structure that stores key-value pairs and uses hashing to retrieve values quickly.

  • Hashmap uses an array to store the key-value pairs

  • The key is hashed to generate an index in the array

  • If two keys hash to the same index, a linked list is used to store the values

  • Hashmap provides constant time complexity for insertion, deletion, and retrieval

  • Java's Hashmap implementation uses a load factor to determi...

View all Senior System Analyst interview questions
A Senior System Analyst was asked
Q. What is the @Qualifier annotation?
Ans. 

The @Qualifier annotation is used in Spring to resolve ambiguity when multiple beans of the same type are present.

  • It is used to specify which bean should be autowired when multiple beans of the same type are present

  • It can be used with constructor injection, setter injection, and field injection

  • It is commonly used in conjunction with @Autowired annotation

  • Example: @Qualifier("myBean")

View all Senior System Analyst interview questions
A Senior System Analyst was asked
Q. How does Spring Boot differ from Spring?
Ans. 

Spring Boot is a framework that simplifies the configuration and deployment of Spring-based applications.

  • Spring Boot provides a pre-configured environment for building and running Spring applications.

  • It eliminates the need for XML configuration files and reduces boilerplate code.

  • It includes an embedded web server and supports various data sources and messaging systems.

  • Example: Spring Boot can be used to quickly cr...

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A Senior System Analyst was asked
Q. What is JdbcTemplate?
Ans. 

jdbctemplate is a class in Spring Framework that simplifies the use of JDBC while handling exceptions and boilerplate code.

  • It is used to perform database operations such as querying, updating, and deleting data.

  • It provides methods for executing SQL statements and mapping results to Java objects.

  • It handles exceptions and releases resources automatically.

  • Example: jdbcTemplate.queryForObject("SELECT COUNT(*) FROM use...

View all Senior System Analyst interview questions

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A Senior System Analyst was asked
Q. What are marker interfaces?
Ans. 

Marker interfaces are interfaces with no methods, used to mark a class as having a certain property or behavior.

  • Marker interfaces are used to provide metadata about a class.

  • They are used to indicate that a class implements a certain behavior or has a certain property.

  • Examples include Serializable, Cloneable, and Remote interfaces in Java.

  • Marker interfaces can also be used to trigger specific behavior in frameworks...

View all Senior System Analyst interview questions
A Senior System Analyst was asked
Q. How do you create your own immutable class?
Ans. 

Creating an immutable class involves making the class and its fields final and not providing any setters.

  • Make the class final so it cannot be extended

  • Make all fields final so they cannot be changed

  • Do not provide any setters, only getters

  • If mutable objects are used in the class, return copies of them in getters

View all Senior System Analyst interview questions
A Senior Technical Service Specialist was asked
Q. Explain Behavior Driven Development (BDD) using Cucumber, and describe the use of Background.
Ans. 

BDD Cucumber is a testing framework that uses natural language to describe test scenarios. Background is used to define common steps for scenarios.

  • BDD Cucumber is a behavior-driven development framework

  • It uses Gherkin syntax to write test scenarios in natural language

  • Background is used to define common steps for scenarios

  • It helps in reducing code duplication and makes scenarios more readable

  • Example: Background can...

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A Senior Systems Engineer was asked
Q. How do you monitor your application, and what configurations do you use?
Ans. 

Application monitoring is done through various tools and configurations.

  • We use tools like Nagios, Zabbix, and Prometheus for monitoring.

  • We configure alerts for critical events and set up dashboards for easy visualization.

  • We also use log aggregation tools like ELK stack to monitor application logs.

  • We monitor system resources like CPU, memory, and disk usage.

  • We perform load testing to identify performance bottleneck...

View all Senior Systems Engineer interview questions
A Senior Systems Engineer was asked
Q. What are some API error codes?
Ans. 

API error codes are numerical or alphanumeric codes that indicate an error occurred during API usage.

  • Error codes help developers identify and troubleshoot issues with API requests and responses.

  • Common error codes include 400 Bad Request, 401 Unauthorized, 404 Not Found, and 500 Internal Server Error.

  • API providers may also create custom error codes specific to their API.

  • Error codes may be accompanied by error messa...

View all Senior Systems Engineer interview questions
A Mainframe Tester was asked
Q. What is the difference between COMP and COMP3?
Ans. 

Comp and Comp-3 are two different data types used in Mainframe systems.

  • Comp is a binary data type that uses one byte for each digit and can store positive and negative numbers.

  • Comp-3 is a packed decimal data type that uses half a byte for each digit and can store only positive numbers.

  • Comp is faster than Comp-3 but takes up more space.

  • Comp-3 is more space-efficient but slower than Comp.

  • Comp is used for arithmetic ...

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IBM Interview Experiences for Experienced

947 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. What is the wan
  • Ans. 

    WAN (Wide Area Network) connects multiple local networks over large distances, enabling communication and data sharing.

    • WANs cover large geographical areas, such as cities, countries, or even continents.

    • They use various transmission technologies, including leased lines, satellite links, and VPNs.

    • Examples of WANs include the Internet, corporate networks connecting multiple offices, and telecommunications networks.

  • Answered by AI
  • Q2. What is the lan
  • Ans. 

    LAN (Local Area Network) connects computers and devices in a limited area for resource sharing.

    • LAN typically covers a small geographic area, like a home, office, or campus.

    • Common technologies include Ethernet and Wi-Fi.

    • Devices on a LAN can share resources like printers and files.

    • LANs can be wired (using cables) or wireless (using Wi-Fi).

    • Example: A home network connecting computers, smartphones, and smart TVs.

  • Answered by AI
  • Q3. What is the error 001
  • Ans. 

    Error 001 typically indicates a generic or unspecified error in a system, often requiring further investigation to diagnose.

    • Generic Error Code: Error 001 is often used as a placeholder for an unspecified error, indicating that something went wrong without specific details.

    • Troubleshooting Steps: To resolve Error 001, check system logs, review recent changes, and ensure all dependencies are correctly configured.

    • Common Co...

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. What is the system 32
  • Ans. 

    System32 is a critical Windows operating system directory containing essential system files and drivers.

    • Contains core system files necessary for Windows to operate.

    • Includes drivers for hardware components like printers and graphics cards.

    • Accessing System32 can lead to system configuration changes.

    • Deleting or modifying files in System32 can cause system instability.

    • Commonly referenced in jokes and memes about computer i...

  • Answered by AI
  • Q2. What isthe bit locker
  • Ans. 

    BitLocker is a disk encryption feature in Windows that protects data by encrypting entire volumes.

    • Provides full disk encryption to protect data from unauthorized access.

    • Uses AES encryption algorithm to secure data.

    • Can be managed via Group Policy for enterprise environments.

    • Supports TPM (Trusted Platform Module) for enhanced security.

    • Allows recovery options through recovery keys or passwords.

  • Answered by AI
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
No response

I applied via Approached by Company and was interviewed in Oct 2024. There was 1 interview round.

Round 1 - Technical 

(11 Questions)

  • Q1. Item category and shipping point determination
  • Q2. Shipping conditions controls
  • Q3. Give example of how high level item category is used st document level
  • Ans. 

    High level item category is used at document level to group similar items together for easier tracking and reporting.

    • High level item category can be used to classify items based on their type, purpose, or department.

    • It helps in organizing and grouping items for better visibility and analysis.

    • For example, in a procurement document, high level item category can be used to group all office supplies together for easier tra...

  • Answered by AI
  • Q4. What is the 17th step in pricing procedure
  • Ans. 

    The 17th step in pricing procedure is determining the final price based on all previous calculations and adjustments.

    • The 17th step involves taking into account all previous steps in the pricing procedure

    • It may involve applying discounts, taxes, and any other adjustments to arrive at the final price

    • This step is crucial in ensuring that the final price is accurate and competitive

  • Answered by AI
  • Q5. Basic configuration steps of output determination
  • Ans. 

    Output determination involves configuring condition records, access sequences, and output types in SAP ERP system.

    • Define condition tables for output determination

    • Create access sequences to determine the sequence of condition tables

    • Assign condition records to access sequences

    • Configure output types and assign them to access sequences

    • Test output determination by creating sales orders or invoices

  • Answered by AI
  • Q6. Master data tables for customer and material master
  • Ans. 

    Master data tables for customer and material master are essential for storing detailed information about customers and materials.

    • Customer master table stores information about customers such as name, address, contact details, etc.

    • Material master table stores information about materials such as description, unit of measure, price, etc.

    • These tables are crucial for efficient data management and retrieval in a business sys...

  • Answered by AI
  • Q7. Multiple invoice, delivery and idocs processing tcodes
  • Q8. Item categories for return orders, consignment processes and their schedule lines
  • Ans. 

    Item categories for return orders, consignment processes, and their schedule lines

    • Return orders typically fall under categories like damaged goods, wrong item received, or change of mind

    • Consignment processes may involve categories such as delivery scheduling, inventory management, and payment terms

    • Schedule lines for return orders and consignment processes help track timelines for actions and deliveries

  • Answered by AI
  • Q9. Golden rule of access sequence
  • Ans. 

    The golden rule of access sequence determines the order in which system accesses condition records in SAP.

    • Access sequences are used in SAP to determine the order in which condition records are accessed during pricing determination

    • The golden rule states that the system will access condition records in the order they are defined in the access sequence

    • If a condition record is found in an earlier step of the access sequenc...

  • Answered by AI
  • Q10. Placement of tax configuration in pricing procedure
  • Ans. 

    Tax configuration should be placed at the end of the pricing procedure to ensure accurate calculations.

    • Tax configuration should be placed after all other conditions and calculations in the pricing procedure.

    • This ensures that taxes are calculated on the final price after all discounts and surcharges have been applied.

    • Placing tax configuration at the end helps in avoiding any discrepancies in tax calculations.

    • Example: Co...

  • Answered by AI
  • Q11. Difference between standard order and rush order? How the delivery is created immediately in rush order, where are the controls?
  • Ans. 

    Standard orders have regular delivery times while rush orders require immediate delivery. Controls for rush orders are typically set in the system.

    • Standard orders have regular delivery times based on the company's standard processing and shipping times.

    • Rush orders are prioritized for immediate delivery, often with expedited processing and shipping.

    • Controls for rush orders are usually set in the system, such as flagging...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Thorough with your resume. And clear with your fundamentals

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Tec discussion and issue handeling
Round 2 - Technical 

(1 Question)

  • Q1. Tec discussion and issue resolution
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Basic coding and advanced topics of handling scenario

Round 2 - Technical 

(2 Questions)

  • Q1. Basics of PLM concepts
  • Q2. Basics of PLM
Round 3 - Technical 

(2 Questions)

  • Q1. Advanced topics
  • Q2. Very advanced topics

Interview Preparation Tips

Interview preparation tips for other job seekers - Be well prepared. Advanced topics
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Sap t code for vendors creation
  • Ans. 

    The SAP T code for vendors creation is XK01.

    • Use transaction code XK01 in SAP to create a new vendor

    • Enter the necessary details such as vendor name, address, payment terms, etc.

    • Save the vendor information once all details are entered

  • Answered by AI
  • Q2. As per accounting standard 10

Interview Preparation Tips

Interview preparation tips for other job seekers - Good to work place need more improvement

Interview Questions & Answers

user image Soujanya Thippeswamy

posted on 14 Feb 2025

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Case Study 

Case studies will be provided

Round 2 - One-on-one 

(2 Questions)

  • Q1. Basic accounting questions
  • Q2. Based on profile, question will be asked

Consultant Interview Questions & Answers

user image Anonymous

posted on 19 Dec 2024

Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Job Portal and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Coding Test 

I have three questions: 1. How to handle null values? 2. What are ranking functions? 3. Can you explain self joins?

Round 2 - One-on-one 

(2 Questions)

  • Q1. Project description
  • Q2. Tools used
  • Ans. 

    I primarily use tools such as Microsoft Excel, PowerPoint, and Tableau for data analysis and visualization.

    • Microsoft Excel for data manipulation and analysis

    • PowerPoint for creating presentations

    • Tableau for data visualization

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare thoroughly for scenario-based SQL questions for the coding round.

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 11 Dec 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. About python, sql, pyspark
  • Q2. Spark Architecture.
Round 2 - HR 

(2 Questions)

  • Q1. When can you join.
  • Ans. 

    I can join within two weeks of receiving an offer.

    • I can start within two weeks of receiving an offer.

    • I need to give notice at my current job before starting.

    • I have some personal commitments that I need to wrap up before joining.

  • Answered by AI
  • Q2. .
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Sliding Window find the subarray with sum equal to k
  • Ans. 

    Using sliding window technique to find subarray with sum equal to k.

    • Initialize two pointers at the start of the array.

    • Move the right pointer to expand the window until the sum is greater than or equal to k.

    • Move the left pointer to shrink the window if the sum exceeds k.

    • Repeat until the end of the array is reached.

    • Example: Input array [1, 4, 20, 3, 10, 5], k=33. Output: [20, 3, 10].

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Aug 2024. There were 4 interview rounds.

Round 1 - Aptitude Test 

Kindly arrange the aptitude test is Online mode

Round 2 - Technical 

(3 Questions)

  • Q1. Current work load
  • Ans. 

    Currently managing multiple projects with varying deadlines and priorities.

    • Balancing workload by prioritizing tasks based on deadlines and importance

    • Utilizing project management tools to track progress and allocate resources efficiently

    • Communicating with team members and stakeholders to ensure alignment on project goals and timelines

  • Answered by AI
  • Q2. About the company related work
  • Q3. About working experience and current working details
Round 3 - HR 

(2 Questions)

  • Q1. Family background & privious company background
  • Q2. Salary & company policy
Round 4 - Group Discussion 

Metting with top management

IBM Interview FAQs

How many rounds are there in IBM interview for experienced candidates?
IBM interview process for experienced candidates usually has 2-3 rounds. The most common rounds in the IBM interview process for experienced candidates are Technical, HR and Resume Shortlist.
How to prepare for IBM interview for experienced candidates?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at IBM. The most common topics and skills that interviewers at IBM expect are Agile, SQL, Python, Javascript and Java.
What are the top questions asked in IBM interview for experienced candidates?

Some of the top questions asked at the IBM interview for experienced candidates -

  1. what is comp & comp 3 differance ...read more
  2. What are the detail that you will share to the supplier for getting a quote...read more
  3. we have 2 files eliminate duplicates and send to duplicate files in to another ...read more
What are the most common questions asked in IBM HR round for experienced candidates?

The most common HR questions asked in IBM interview are for experienced candidates -

  1. What are your salary expectatio...read more
  2. Tell me about yourse...read more
  3. Why are you looking for a chan...read more
How long is the IBM interview process?

The duration of IBM interview process can vary, but typically it takes about less than 2 weeks to complete.

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