HCL Infosystems Senior Engineer Interview Questions and Answers

Ai interview backend microservices core java

Q1. Microservice architecture spring boot
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Q2. Rest api implementation and communication
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Q1. Binary search using Java 8
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Binary search is a fast search algorithm that finds the position of a target value within a sorted array.
• Ensure the array is sorted before performing binary search.

• Compare the target value with the middle element of the array.

• If the target value is less than the middle element, search the left half of the array. If greater, search the right half.

• Repeat the process until the target value is found or the subarray is empt
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Q2. Merge sort and it's implementation
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Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts them, and then merges them back together.
• Divide the array into two halves recursively

• Sort each half separately

• Merge the sorted halves back together
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2 c++ coding questions will be asked based on the STL and array operations

Q1. Project manager will ask you project related knowledge.
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Q1. Will discuss basic HR round questions and discuss salary.
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Q1. OOPS concepts - encapsulation , abstraction
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Q2. Java core - exceptions, theory
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Q1. General questions
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Q2. Location preferences , family
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Q1. MITER attack framwork/ Cyber kill chain process/attack vectors
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Q2. SIEM tools and its use
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SIEM tools are security information and event management tools used to collect, analyze, and report on security data.
• SIEM tools help organizations to detect and respond to security incidents in real-time.

• They collect data from various sources such as network devices, servers, and applications.

• SIEM tools use correlation rules to identify patterns and anomalies that may indicate a security threat.

• Examples of SIEM tools i...read more
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Q3. Are you written a playbooks rules
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Yes, I have experience writing playbooks rules for automation in various engineering projects.
• Yes, I have written playbooks rules using tools like Ansible for automating infrastructure tasks.

• I have experience creating rule-based automation scripts to streamline engineering processes.

• I can provide examples of playbooks I have written for automating deployment, configuration, and monitoring tasks.
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Q4. Digital forensics working procedures
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Digital forensics working procedures involve collecting, preserving, analyzing, and presenting digital evidence in a legally admissible manner.
• Collecting digital evidence from various sources such as computers, mobile devices, and cloud storage.

• Preserving the integrity of the evidence by creating forensic images and maintaining a chain of custody.

• Analyzing the evidence using specialized tools and techniques to uncover ...read more
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Q1. Explain microservices architecture in your project
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Q2. Explain Zuul and filters
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Q1. Why do you want to join TCS
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Q2. What is your salary Expectation
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Q1. What was compiste model in powe bi
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Composite model in Power BI allows combining DirectQuery and Import data sources in a single report.
• Composite model enables users to create relationships between tables from different data sources.

• DirectQuery tables are connected to the data source in real-time, while Import tables are loaded into memory.

• Users can create measures and calculations across both DirectQuery and Import tables in the same report.

• Composite mo...read more
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Q2. Power bi import
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Q1. Memory management questions
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Q2. Kernel questions
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