IBM Interview Questions, Process, and Tips for Experienced

It was a basic coding rount

Q1. What is kafka service
Ans. 
Kafka is a distributed streaming platform used for building real-time data pipelines and streaming applications.
• Kafka is designed to handle high-throughput, fault-tolerant, and scalable real-time data streams.

• It allows for the publishing and subscribing to streams of records, similar to a message queue.

• Kafka is often used for log aggregation, stream processing, event sourcing, and real-time analytics.

• It provides featur...read more
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Q2. What is cassandra and what is it used for.
Ans. 
Cassandra is a distributed NoSQL database management system designed for handling large amounts of data across multiple servers.
• Cassandra is used for storing and managing large amounts of structured data across multiple commodity servers.

• It provides high availability and fault tolerance with no single point of failure.

• Cassandra is commonly used for real-time analytics, IoT data, messaging platforms, and more.

• It uses a ...read more
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Q1. Promise,and types of promises and different between of them , Async operation,
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Q2. Javascript array and all the arrays methods
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Q3. Microservices related questions
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Asked to implement a Sudoku game with UI using any language( used python)

Q1. Docker file, scripting, Kubernetes related questions. Scenario based questions on what issues are faced during previous job role. Scenario based questions on how Kubernetes related Secrets are handled in ...read more
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Q1. Managerial discussions with Director. Non technical majorly. Behavorial questions mostly.
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Q1. Basics of Java, use of javac, define System.out.println, method overloaoding, constructor overloading, main method overloading, Exception handling scenarios, static method,
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Q2. Statement vs prepared statements(whats the use of pstmts over stmts), why microservice when the same can happen in monolithic(Not normal differences expected something else), how Rest API will work (intern...read more
Ans. 
Prepared statements are precompiled SQL statements that can improve performance and security. Microservices offer scalability and flexibility over monolithic architecture. REST API works by using HTTP methods to interact with resources.
• Prepared statements are precompiled SQL statements that can be reused multiple times, improving performance by reducing database load and preventing SQL injection attacks.

• Microservices a...read more
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Q1. Application and system
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Q2. Experience about Zos
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
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