HCLTech Unix Administrator Interview Questions and Answers

Q1. 1. Brief Introduction 2. What is your Unix/Linux experience. How many server you are managing. 3. How you do AIX server OS patching. 4. After applying patches, if the OS version is not showing the desired ...read more
Ans. 
Experienced Unix Administrator managing multiple servers, proficient in AIX patching, WWN/WWPN identification, NIM server, LPAR creation, and OS installation.
• Managed multiple Unix/Linux servers in previous roles

• Proficient in AIX server OS patching process

• Troubleshoot issues if OS version does not update after patching

• Know how to find WWN/WWPN numbers

• Familiar with NIM server for AIX installations

• Experienced in LPAR crea
Answered by AI
Add your answer

Time and work , distance , percentage

BFS , TREE , STACK , QUEUE

Q1. Be strong in basics
Add your answer
Q2. How do you apply practical knowledge in your work?
Add your answer
Q3. Goal Towards this job
Add your answer
Q4. Short term and long term goals
Add your answer
Q5. Why do we want to hire you
Add your answer

Q1. Self introduction
Add your answer
Q2. What is Java and java types.
Ans. 
Java is a high-level programming language known for its portability and versatility.
• Java is an object-oriented language

• Types of Java include primitive types (int, double, boolean), reference types (classes, interfaces), and arrays

• Java is platform-independent due to its bytecode compilation
Answered by AI
Add your answer
Q3. What is c programming
Ans. 
C programming is a high-level programming language used for system programming, embedded systems, and software development.
• C programming is widely used for system programming, as it allows direct access to hardware and memory.

• It is commonly used in embedded systems development, where efficiency and low-level control are important.

• C is known for its performance and portability, making it a popular choice for developing
Answered by AI
Add your answer
Q4. Features in java
Ans. 
Java features include platform independence, object-oriented programming, automatic memory management, and multithreading.
• Platform independence allows Java programs to run on any platform with a Java Virtual Machine (JVM)

• Object-oriented programming supports concepts like classes, objects, inheritance, and polymorphism

• Automatic memory management through garbage collection helps in managing memory efficiently

• Multithreadi...read more
Answered by AI
Add your answer
Q5. Oops concept , class
Add your answer

It was about an aptitude test which is on English grammar and athematic reasoning.

The Fibonacci series can be applied to alphabets, and the same should be printed.

Q1. Fibonancci series to print the alphabets?
Add your answer
Q2. Print the numbers in descending order 123456?
Ans. 
Print numbers in descending order 123456
• Create an array of strings containing the numbers 1 to 6

• Sort the array in descending order

• Print the sorted array
Answered by AI
Add your answer

Q1. Why are you choosing our organization?
Ans. 
I am choosing your organization because of its reputation for innovation, strong company culture, and opportunities for growth.
• Reputation for innovation in the industry

• Strong company culture that values employee development

• Opportunities for growth and advancement within the organization
Answered by AI
Add your answer
Q2. Are you open to relocation?
Ans. 
Yes, I am open to relocation for the right opportunity.
• I am willing to relocate for the right job opportunity that aligns with my career goals.

• I am open to exploring new locations and experiencing different cultures.

• I understand that relocation may be necessary for career advancement and personal growth.
Answered by AI
Add your answer
Q3. Are you comfortable with rotational shifts?
Ans. 
Yes, I am comfortable with rotational shifts as I have prior experience working in such shifts.
• I have previous experience working in rotational shifts at my previous job.

• I am adaptable and can easily adjust my schedule to accommodate rotational shifts.

• I understand the importance of being available during different shifts to ensure smooth operations.

• I am willing to work in rotational shifts to support the team and meet
Answered by AI
Add your answer

Q1. About basic linux Architecture
Add your answer
Q2. About linux storage
Add your answer

Q1. About my current project
Add your answer
Q2. About shell scripting
Add your answer

Q1. About myself and my work experience
Add your answer
Q2. About relocation and shifts
Add your answer

Q1. Given UI task display like display boxes side by side in desktop screen and one after the other in mobile screen using media queries?
Add your answer
Q2. Explain difference between authorization vs authentication?
Ans. 
Authentication verifies a user's identity, while authorization determines what a user can access.
• Authentication confirms a user's identity through credentials like username and password.

• Authorization controls access to resources based on the authenticated user's permissions.

• Example: Logging into a website (authentication) and then being able to view/edit specific pages based on your role (authorization).
Answered by AI
Add your answer
Q3. How to render list in react? Also explain difference between state vs prop in react?
Ans. 
To render a list in React, use map() function to iterate over an array of data and return a list of components. State is mutable data managed within a component, while props are immutable data passed from parent to child components.
• To render a list in React, use map() function to iterate over an array of data and return a list of components.

• Example: const items = ['item1', 'item2', 'item3']; items.map(item =>

• read more
Answered by AI
Add your answer

Q1. What are the webpage optimization techniques? How to check webpage optimization? In lighthouse optimization reports , how to fix issue related render blocking scripts?
Ans. 
Webpage optimization techniques include minifying CSS and JS files, optimizing images, using asynchronous loading for scripts, and reducing render-blocking scripts.
• Minify CSS and JS files to reduce file sizes and improve loading times.

• Optimize images by compressing them and using the correct file format (e.g. JPEG for photographs, PNG for graphics).

• Use asynchronous loading for scripts to prevent them from blocking the ...read more
Answered by AI
Add your answer
Q2. Write scss code nested li element by applying background color 2 element and also use mixins?
Ans. 
Use SCSS to apply background color to nested li elements and utilize mixins.
• Use nesting to target the li elements within a parent element

• Apply background color to the 2nd li element using the :nth-child() selector

• Define and use mixins to reuse styles across the codebase
Answered by AI
Add your answer
Q3. How to fix cumulative layout shift issues?
Ans. 
To fix cumulative layout shift issues, ensure all images and media have dimensions specified in HTML, use CSS aspect ratio boxes, and prioritize loading critical resources.
• Specify dimensions for all images and media in HTML to prevent layout shifts.

• Use CSS aspect ratio boxes to reserve space for images before they load.

• Prioritize loading critical resources to avoid sudden layout changes.
Answered by AI
Add your answer

Q1. Explain about patch management in Linux
Add your answer
Q2. After patching what are the issues you faced. How did you troubleshoot those issues.
Add your answer