IBM Interview Questions and Answers

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.
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Q2. What is the lan
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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.
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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...read more
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Q1. What is the system 32
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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...read more
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Q2. What isthe bit locker
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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.
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Q1. Item category and shipping point determination
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Q2. Shipping conditions controls
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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...read more
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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
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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
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Q6. Master data tables for customer and material master
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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...read more
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Q7. Multiple invoice, delivery and idocs processing tcodes
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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
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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...read more
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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...read more
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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...read more
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It involves 3 rounds
1. Coding round where they asked to build a framework in selenium
2. Technical round for 45 minutes- , JAVA oops concept, Date picker, simple coding questions
3. HR discussion

Q1. Selenium date picker
Ans. 
Selenium can automate date pickers by interacting with the calendar UI elements to select dates.
• Identify the date picker element using locators like ID, class, or XPath.

• Click on the date picker to open the calendar view.

• Select the desired month and year, if applicable, by navigating through the calendar.

• Click on the specific date to select it.

• Example: Use driver.findElement(By.id('datepicker')).click(); to open the dat...read more
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Q2. How to use excel into java
Ans. 
Java can interact with Excel files using libraries like Apache POI or JExcelAPI for reading and writing data.
• Use Apache POI library for reading/writing Excel files. Example: Workbook workbook = new XSSFWorkbook();

• To read data: Sheet sheet = workbook.getSheetAt(0); Row row = sheet.getRow(0); Cell cell = row.getCell(0);

• To write data: Cell cell = row.createCell(1); cell.setCellValue('Hello World');

• Add Maven dependency for...read more
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Q1. Package discussion
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Q1. List down Java 8 features and use case
Ans. 
Java 8 introduced several new features including lambda expressions, streams, and functional interfaces.
• Lambda expressions: Allow for more concise and readable code by enabling functional programming.

• Streams: Provide a way to work with collections of objects in a more functional style.

• Functional interfaces: Interfaces with a single abstract method, used to enable lambda expressions.

• Optional class: Helps to avoid null p...read more
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Q2. List down Spring boot annotation used
Ans. 
Spring boot annotations are used to simplify the development process by providing metadata to the Spring framework.
• 1. @SpringBootApplication - Main annotation to indicate the main class of a Spring Boot application.

• 2. @RestController - Annotation for RESTful web services.

• 3. @Autowired - Dependency injection annotation.

• 4. @GetMapping, @PostMapping, @PutMapping, @DeleteMapping - Annotations for mapping HTTP requests to c...read more
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Q3. Difference between String builder and String Buffer
Ans. 
String Builder is not synchronized and faster, while String Buffer is synchronized and slower.
• String Builder is not thread-safe, while String Buffer is thread-safe.

• String Builder is faster due to lack of synchronization, while String Buffer is slower due to synchronization.

• String Builder is recommended for single-threaded operations, while String Buffer is recommended for multi-threaded operations.
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Q4. What is String pool
Ans. 
String pool is a storage area in memory where strings are stored to optimize memory usage by reusing common strings.
• String pool helps in reducing memory usage by storing only one copy of each unique string.

• Strings created using double quotes are stored in the string pool.

• Strings created using new keyword are not stored in the string pool.
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Q5. Number of memory type have. like heap memory , stack
Ans. 
There are two main types of memory in a computer system: stack memory and heap memory.
• Stack memory is used for static memory allocation and is managed by the compiler. It is typically faster but limited in size.

• Heap memory is used for dynamic memory allocation and is managed by the programmer. It is slower but has a larger size.

• Examples: C programming language uses stack memory for function calls and heap memory for dy...read more
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Q1. Introduction about me any question
Ans. 
I am chandana i am bca graduated
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Q2. About job bases
Ans. 
How to developed a skill to improve over skills
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Q3. Salary based question
Ans. 
I am fresher to 2 to 4
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Q4. How to completed
Ans. 
To complete a task in Python, follow structured steps including planning, coding, testing, and refining your solution.
• Define the problem clearly before starting to code.

• Break the task into smaller, manageable functions or classes.

• Write clean, readable code with comments for clarity.

• Test your code with various inputs to ensure it works as expected.

• Refactor your code to improve efficiency and readability.
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Q5. Job description
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Q1. Tec discussion and issue handeling
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Q1. Tec discussion and issue resolution
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Q1. Merge N sorted Linked List
Ans. 
Merge N sorted linked lists efficiently using a priority queue or divide and conquer approach.
• Use a priority queue to merge the lists efficiently

• Alternatively, use a divide and conquer approach to merge the lists

• Ensure the final merged list is also sorted
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Q2. What are you looking for? What do you expect? What challenges and conflicts you faced? How did you handle them? Cultural fit question as well
Ans. 
I am looking for a challenging role in MongoDB Specialist, Cloud where I can utilize my expertise and skills to drive innovation and efficiency.
• Looking for a role that allows me to work with cutting-edge technology like MongoDB in a cloud environment

• Expecting opportunities for growth and development in my career as a MongoDB Specialist

• Have faced challenges in optimizing database performance and resolving complex data m...read more
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Q1. Proper software development process questions. Digging into your project and tech stack. Giving you scenarios to come up with technical solutions.
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Q1. System Design like interview - eventually going down to low level design.
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Q1. What is the most challenging problem you solved? Why was it challenging? How did you solve it? Challenges & conflicts and how to handle them?
Ans. 
Migrating a large database to MongoDB in a cloud environment
• Challenging due to the size of the database and ensuring data integrity during migration

• Handled conflicts by thoroughly planning the migration process, testing in a staging environment, and monitoring closely during the actual migration

• Used tools like MongoDB Atlas for cloud deployment and data migration
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