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Zellis Infrastructure Engineer Interview Questions, Process, and Tips

Updated 2 Oct 2023

Zellis Infrastructure Engineer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Sep 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is SeLinux and umask
  • Ans. 

    SeLinux is a security module for Linux systems that enforces access control policies. Umask is a command that sets default permissions for new files and directories.

    • SeLinux stands for Security-Enhanced Linux and provides access control security policies for Linux systems.

    • It restricts access to files, directories, and processes based on defined security policies.

    • Umask is a command that sets default permissions for new f...

  • Answered by AI
  • Q2. What is LVM and NTP
  • Ans. 

    LVM stands for Logical Volume Manager, used for managing disk storage in Linux. NTP stands for Network Time Protocol, used for time synchronization.

    • LVM allows for dynamic resizing of logical volumes

    • NTP ensures accurate time synchronization across networked devices

    • LVM can be used to create snapshots for backups

    • NTP servers can be configured to sync time with external time sources

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. Tell us about sticky bit
  • Ans. 

    Sticky bit is a permission in Unix systems that allows only the owner of a file to delete or rename it.

    • Sticky bit is represented by a 't' in the permissions of a file or directory.

    • It is commonly used on directories to prevent users from deleting files owned by other users.

    • An example of sticky bit usage is on the /tmp directory in Unix systems.

  • Answered by AI
  • Q2. Tell us about dns
  • Ans. 

    DNS stands for Domain Name System, which translates domain names to IP addresses.

    • DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).

    • It helps in routing internet traffic efficiently by directing requests to the correct servers.

    • DNS records include A records (for IPv4 addresses), AAAA records (for IPv6 addresses), MX records (for mail s

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Explain about previous work experience and skills used.

Skills evaluated in this interview

Interview questions from similar companies

I applied via Referral and was interviewed in Nov 2020. There were 5 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Introduction for your reference
  • Q2. Introduction to the same
  • Q3. Introduction to the smoky

Interview Preparation Tips

Interview preparation tips for other job seekers - Introduction to the smoky and thanks for your

Interview Questionnaire 

1 Question

  • Q1. Training?

Interview Preparation Tips

Interview preparation tips for other job seekers - Best training in India. No doubt

I applied via Walk-in and was interviewed in Jul 2019. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Main focous on java and selenium.if you have devops knowledge then good to have..
  • Q2. Framework design,oops concept, challange you face,roles and responsibilities,agile concept etc...

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident, focous on core Java,do good practice to identify elements, analyse the things before you respond,be more practical,raise the concern once you stuck,try to find the solution from your end before you ask for Help,...

Interview Questionnaire 

1 Question

  • Q1. Design facebook
  • Ans. 

    Designing Facebook is a complex task involving various components and technologies.

    • Identify the core features of Facebook such as user profiles, news feed, messaging, and groups.

    • Choose appropriate technologies for each component such as PHP for backend, React for frontend, and MySQL for database.

    • Ensure scalability and performance by implementing caching, load balancing, and database sharding.

    • Implement security measures...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Database, logical reasoning

Skills evaluated in this interview

I applied via Company Website and was interviewed before Oct 2019. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basics of c, matrix multiplication, sql,he said to write group by query and swapping program without using third variable

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well with basics of the mentioned languages in the resume.

I applied via Campus Placement and was interviewed before Oct 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions Will be asked as per your CV

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with all the elements written in CV

I appeared for an interview before Jul 2021.

Round 1 - Technical 

(4 Questions)

  • Q1. What is Polymorphism and it’s type?
  • Ans. 

    Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as if they were of the same class.

    • Polymorphism is achieved through method overriding and method overloading.

    • Method overriding is when a subclass provides a specific implementation of a method that is already provided by its parent class.

    • Method overloading is when a class has two or more methods with the ...

  • Answered by AI
  • Q2. What is Dependency Injection?
  • Ans. 

    Dependency Injection is a design pattern where the dependencies of an object are injected into it rather than created within it.

    • It helps in achieving loose coupling between objects

    • It makes testing easier as dependencies can be mocked or stubbed

    • There are three types of Dependency Injection - Constructor Injection, Setter Injection, and Interface Injection

    • Example: In a web application, the database connection object can ...

  • Answered by AI
  • Q3. How Garbage Collection works in .Net?
  • Ans. 

    Garbage Collection in .Net automatically manages memory by freeing up unused objects.

    • Garbage Collector runs in the background and periodically checks for unused objects.

    • It frees up memory by deallocating objects that are no longer being used.

    • GC can be configured using different modes like Server, Workstation, Concurrent, etc.

    • GC can also be manually triggered using GC.Collect() method.

    • GC.SuppressFinalize() method can be...

  • Answered by AI
  • Q4. What is LINQ and some basic concept related it?

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview was easy. Go through basic concepts of OOPs and SQL.

Skills evaluated in this interview

I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

The first round is an aptitude online test that had Basics of Computer Science, Mathematics, English and then finally one basic program to code and compile like Palindrome.

Round 2 - Group Discussion 

Three panellists were present and it was a face-face round, Panellist 1 and 2 takes the technical discussions like classes, inheritance, oops concept, basic syntax, and such. Panellist 3 talks more about your resume skills, hobbies and the company overview.

Interview Preparation Tips

Topics to prepare for TCS System Engineer interview:
  • Basic Promgramming Questions
  • Aptitiude
Interview preparation tips for other job seekers - Since this was my first job it was slightly challenging in several ways in terms of how to present yourself, confidence and such. But make sure to stay humble and agree to most of the requests made and stick to the resume.

I applied via Campus Placement and was interviewed before Aug 2021. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. What is Data Structure?
  • Ans. 

    Data structure is a way of organizing and storing data in a computer so that it can be accessed and used efficiently.

    • Data structures are used to manage large amounts of data efficiently.

    • They can be implemented using arrays, linked lists, trees, graphs, and other techniques.

    • Examples include stacks, queues, hash tables, and binary search trees.

    • Choosing the right data structure for a particular problem is important for op...

  • Answered by AI
  • Q2. Real time use of stack and Queue?
  • Ans. 

    Stack and Queue are used in real-time systems for managing tasks and events.

    • Stack is used for managing function calls, undo/redo operations, and backtracking.

    • Queue is used for managing events, scheduling tasks, and buffering data.

    • Real-time systems use both data structures for managing tasks and events in a time-sensitive manner.

    • Examples include task scheduling in operating systems, event handling in GUI applications, a

  • Answered by AI

Interview Preparation Tips

Topics to prepare for TCS Software Engineer interview:
  • C
  • C++
  • Java
  • Pyth
Interview preparation tips for other job seekers - 1 hr C/ python Programming, Debugging, Programming, Networking

Skills evaluated in this interview

Zellis Interview FAQs

How many rounds are there in Zellis Infrastructure Engineer interview?
Zellis interview process usually has 3 rounds. The most common rounds in the Zellis interview process are Technical and Resume Shortlist.
What are the top questions asked in Zellis Infrastructure Engineer interview?

Some of the top questions asked at the Zellis Infrastructure Engineer interview -

  1. What is SeLinux and um...read more
  2. Tell us about sticky ...read more
  3. What is LVM and ...read more

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Zellis Infrastructure Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
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