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IBM Interview Questions and Answers for Experienced

Updated 3 Jul 2025
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522 Interview questions

A Zos System Administrator was asked
Q. Tell me about your experience with z/OS.
Ans. 

I have over 5 years of experience working with zOS, including system installation, maintenance, and troubleshooting.

  • Experience with zOS system installation and configuration

  • Proficient in zOS system maintenance tasks

  • Skilled in troubleshooting zOS system issues

  • Familiar with zOS security and performance tuning

  • Knowledge of zOS utilities and tools such as JCL, ISPF, and SDSF

View all Zos System Administrator interview questions
An Automation Test Engineer was asked
Q. Write a program in Java to reverse a string
Ans. 

A Java program to reverse a string

  • Create a char array from the input string

  • Use two pointers to swap characters from start and end of the array

  • Convert the char array back to a string and return

View all Automation Test Engineer interview questions
A Servicenow Developer was asked
Q. What is the most complex thing you have implemented?
Ans. 

Implemented a complex workflow automation system for a multinational corporation

  • Designed and implemented custom workflows to automate complex business processes

  • Integrated multiple systems and APIs to streamline data flow and communication

  • Utilized advanced scripting and logic to handle various edge cases and exceptions

View all Servicenow Developer interview questions
A Full Stack Developer was asked
Q. What is memoization?
Ans. 

Memoization is a technique used in computer science to store the results of expensive function calls and return the cached result when the same inputs occur again.

  • Memoization helps in improving the performance of a program by reducing redundant calculations.

  • It is commonly used in dynamic programming to optimize recursive algorithms.

  • Example: Fibonacci sequence calculation can be optimized using memoization to store...

View all Full Stack Developer interview questions

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A Full Stack Developer was asked
Q. What is the difference between == and ===?
Ans. 

== is used for equality comparison, while === is used for strict equality comparison.

  • == checks for equality of values, while === checks for equality of values and data types.

  • == can perform type coercion, while === does not.

  • == is less strict than ===.

  • Example: 1 == '1' returns true, but 1 === '1' returns false.

View all Full Stack Developer interview questions
A Full Stack Developer was asked
Q. What is hoisting in JavaScript?
Ans. 

Hoisting in JavaScript is a behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.

  • Variable declarations are hoisted to the top of their scope, but not their initializations.

  • Function declarations are fully hoisted, including their definitions.

  • Hoisting can lead to unexpected behavior if not understood properly.

View all Full Stack Developer interview questions
A Full Stack Developer was asked
Q. Tell me about design patterns.
Ans. 

Design patterns are reusable solutions to common problems in software design.

  • Design patterns help in creating maintainable, scalable, and efficient code.

  • Some common design patterns include Singleton, Factory, Observer, and Strategy.

  • Design patterns can be categorized into three main groups: creational, structural, and behavioral.

View all Full Stack Developer interview questions
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An AWS Devops Engineer was asked
Q. What errors have you encountered while creating pods?
Ans. 

Error encountered during pod creation can be due to various reasons such as incorrect configuration, resource constraints, network issues, or image availability.

  • Check the pod configuration file for any syntax errors or misconfigurations

  • Ensure that there are enough resources available on the cluster for pod creation

  • Verify network connectivity and DNS resolution within the cluster

  • Check if the container image specifi...

View all AWS Devops Engineer interview questions
A Senior QA Engineer was asked
Q. Write a program to sort an array.
Ans. 

Program to sort array of strings

  • Use a sorting algorithm like bubble sort, selection sort, or merge sort

  • Compare strings using strcmp() function in C or compareTo() method in Java

  • Handle edge cases like empty array or array with only one element

View all Senior QA Engineer interview questions
A Senior QA Engineer was asked
Q. Write a function to count the number of duplicate characters in a string.
Ans. 

Count duplicates in a string

  • Iterate through the string and store each character in a hashmap with its count

  • Return the count of characters with count greater than 1

View all Senior QA Engineer interview questions

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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