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Minfy Technologies Devops Engineer Interview Questions and Answers
Minfy Technologies Devops Engineer Interview Experiences
1 interview found
Anonymous
Selected
(1 Question)
- Q1. I dnt remember bcoz they always tell they are having more projects.
(1 Question)
- Q1. Discussion on package
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Selected
I applied via Company Website and was interviewed in Apr 2023. There were 5 interview rounds.
(1 Question)
- Q1. Detailed discussion on the projects worked on
(1 Question)
- Q1. Technical questions and answers
(1 Question)
- Q1. Face to face interview
(1 Question)
- Q1. General HR questions
Interview Preparation Tips
This is the correct place if yo want to gain more technical knowledge
Sorry cant provide the details
(2 Questions)
- Q1. On Amazon Web Services
- Q2. On DEVOPS like Jenkins etc......
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Jun 2024. There were 2 interview rounds.
It was of 75 minutes. And Questions are related from Quantitative, logical reasoning and Coding.
DSA Questions were asked there
Interview Preparation Tips
I applied via Company Website and was interviewed in Mar 2020. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. What is the VPN port used for UDP
- Ans.
The VPN port used for UDP is typically 500.
The VPN port used for UDP is usually port 500.
UDP is a protocol that allows for faster transmission of data but does not guarantee delivery or order of packets.
Port 500 is commonly used for IPsec VPNs, which provide secure communication over the internet.
Other VPN protocols may use different ports for UDP, so it's important to check the specific configuration.
- Q2. Write a golang program to find furthest number from zero. No this isn't find the greatest number. Because the numbers could be negative so if an array has [ -4 2 24 55 -89 12] then -89 is furthest from zer...
- Q3. Syntax for grep command and regex
- Ans.
Syntax for grep command and regex
grep [options] pattern [file]
Regular expression (regex) is used to define the pattern
Examples: grep 'hello' file.txt
grep -i 'hello' file.txt
grep -r 'hello' /path/to/directory
- Q4. How to run a docker command remotely. i.e. Docker is installed on both your laptop and a remote linux server. You need to run docker command on the linux server but without taking a separate ssh session to...
- Ans.
You can use the Docker API to remotely run Docker commands on a Linux server without taking a separate SSH session.
Use the Docker API to interact with the Docker daemon on the remote Linux server.
Make sure Docker is installed and running on both your laptop and the remote server.
Authenticate with the remote server using appropriate credentials.
Establish a connection to the Docker daemon on the remote server using the D...
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Skills evaluated in this interview
I appeared for an interview before Mar 2021.
(7 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
This round started with some basic questions from DevOps followed by some more questions from Docker and Linux.
- Q1. What is Continuous Testing (CT)?
- Ans.
Continuous Testing (CT) is the process of executing automated tests as part of the software delivery pipeline to obtain immediate feedback on the business risks associated with a software release candidate.
CT helps in identifying defects early in the development cycle.
It ensures that the software is always in a releasable state.
CT integrates testing into the CI/CD pipeline for faster feedback loops.
Examples include run...
- Q2. How does AWS contribute to DevOps?
- Ans.
AWS provides a wide range of services and tools that support the principles and practices of DevOps.
AWS offers infrastructure as code tools like CloudFormation and Terraform for automating the provisioning of resources.
AWS provides a variety of monitoring and logging services such as CloudWatch and CloudTrail to help with continuous monitoring and feedback loops.
AWS supports continuous integration and continuous deploy...
- Q3. What is a Docker image registry?
- Ans.
A Docker image registry is a repository for storing and managing Docker images.
It allows users to push and pull Docker images to and from the registry.
Popular Docker image registries include Docker Hub, Amazon ECR, and Google Container Registry.
Registries can be public or private, with private registries requiring authentication for access.
- Q4. How many components are there in Docker?
- Ans.
Docker has 3 main components: Docker Engine, Docker Images, and Docker Containers.
Docker Engine is the core component responsible for running and managing Docker containers.
Docker Images are read-only templates used to create Docker containers.
Docker Containers are lightweight, standalone, and executable packages that include everything needed to run a piece of software.
- Q5. Can you describe the lifecycle of a Docker container?
- Ans.
The lifecycle of a Docker container involves creation, running, pausing, restarting, and stopping.
1. Creation: A Docker container is created from a Docker image using the 'docker run' command.
2. Running: The container is started and runs the specified application or service.
3. Pausing: The container can be paused using the 'docker pause' command, which temporarily stops its processes.
4. Restarting: The container can be...
- Q6. What is LVM and why is it required?
- Ans.
LVM stands for Logical Volume Manager, used to manage disk space efficiently by allowing for dynamic resizing of volumes.
LVM allows for easy resizing of volumes without the need to unmount the filesystem
It provides features like snapshots, striping, mirroring, and thin provisioning
LVM can span multiple physical disks to create a single logical volume
- Q7. What is load average in Linux?
- Ans.
Load average in Linux is a measure of system activity, indicating the average number of processes waiting for CPU time over a period of time.
Load average is displayed as three numbers representing the average load over the last 1, 5, and 15 minutes.
A load average of 1.0 means the system is at full capacity, while a load average of 0.5 means the system is half as busy.
High load averages may indicate that the system is o...
(7 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
This round started with me first giving a brief intro about my experience in the DevOps sector and then the interviewer switched to asking me questions about Git , Docker and Kubernetes.
- Q1. What is the command used to delete a branch in Git?
- Ans.
The command used to delete a branch in Git is 'git branch -d <branch_name>'.
Use 'git branch -d <branch_name>' to delete a branch in Git.
Make sure to switch to a different branch before deleting the branch.
If the branch has not been merged, use 'git branch -D <branch_name>' to force delete.
- Q2. What do you know about git reflog?
- Ans.
Git reflog is a reference log that records changes to the HEAD of the repository.
Records all changes to the HEAD reference
Useful for recovering lost commits or branches
Can be accessed using 'git reflog' command
- Q3. What is the difference between git revert and git reset?
- Ans.
git revert undoes a specific commit by creating a new commit, while git reset moves the HEAD to a previous commit without creating a new commit.
git revert creates a new commit that undoes a specific commit, keeping the commit history intact
git reset moves the HEAD to a previous commit, potentially discarding changes made after that commit
git revert is safer for shared branches as it does not rewrite history, while git ...
- Q4. Can you explain the difference between CMD and ENTRYPOINT in Docker?
- Ans.
CMD specifies the default command to run in the container, while ENTRYPOINT specifies the executable to run when the container starts.
CMD is often used to provide default arguments for the ENTRYPOINT command
ENTRYPOINT is used to specify the executable that will run when the container starts
CMD can be overridden at runtime by passing arguments to docker run command
ENTRYPOINT cannot be overridden at runtime, but can be c
- Q5. How can you monitor a Kubernetes cluster?
- Ans.
Monitoring a Kubernetes cluster involves using tools like Prometheus, Grafana, and Kubernetes Dashboard.
Use Prometheus for collecting metrics from Kubernetes components and applications running on the cluster.
Set up Grafana for visualizing the collected metrics and creating dashboards for monitoring.
Utilize Kubernetes Dashboard for a graphical interface to view and manage the cluster resources.
Implement alerts and noti...
- Q6. What is Kubernetes Load Balancing?
- Ans.
Kubernetes Load Balancing is a method to distribute incoming network traffic across multiple pods in a Kubernetes cluster.
Kubernetes Load Balancer service type automatically creates a cloud provider load balancer.
It helps in scaling applications by distributing traffic evenly across multiple pods.
Load balancing ensures high availability and reliability of applications running in a Kubernetes cluster.
- Q7. Can you explain the architecture of Jenkins?
- Ans.
Jenkins is an open-source automation server that helps to automate the non-human part of the software development process.
Jenkins is a Java-based application that runs in a servlet container like Apache Tomcat.
It can be installed on a single server or distributed across multiple servers for scalability.
Jenkins uses plugins to extend its functionality, allowing integration with various tools and technologies.
It follows ...
(2 Questions)
Round duration - 30 Minutes
Round difficulty - Easy
This was a typical HR round with some standard Behavioral questions.
- Q1. Can you tell me something about yourself?
- Q2. Why should we hire you?
Interview Preparation Tips
Tip 1 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 2 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed before May 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Kubernetes Docker containerisation
- Q2. Ci cd implementation
(2 Questions)
- Q1. Cloud fundamentals , networking
- Q2. Terraform Scripting language
Interview Preparation Tips
I applied via Company Website and was interviewed in Mar 2020. There was 1 interview round.
Interview Questionnaire
12 Questions
- Q1. What are terraform modules
- Ans.
Terraform modules are reusable components that allow you to define and manage infrastructure as code.
Modules are collections of resources that can be used across multiple Terraform configurations
They can be shared and reused by other teams or projects
Modules can be published to the Terraform Registry for easy discovery and use
They help to reduce duplication of code and simplify infrastructure management
- Q2. How would you debug apache nginx issues
- Ans.
Debugging Apache Nginx issues involves checking logs, configuration files, and server status.
Check error logs for any relevant error messages
Verify the configuration files for syntax errors
Check server status and resource usage
Use tools like curl or telnet to test connectivity and response times
Check firewall rules and network settings
Consider load balancing and caching configurations
- Q3. How would you prevent a ddos attach
- Ans.
Prevent DDoS attack by implementing various measures
Implementing firewalls and intrusion detection systems
Using load balancers to distribute traffic
Blocking traffic from suspicious IP addresses
Using content delivery networks (CDNs)
Limiting the number of requests per IP address
Using anti-DDoS services provided by cloud providers
Regularly monitoring network traffic for unusual patterns
- Q4. Is there a way to blacklist IPs in AWS
- Ans.
Yes, AWS provides various methods to blacklist IPs.
Use AWS WAF to create rules to block specific IP addresses
Configure security groups to deny traffic from specific IP addresses
Utilize AWS Network ACLs to block traffic from specific IP addresses
- Q5. What is average load in Linux
- Ans.
Average load in Linux refers to the amount of work being done by the system at a given time.
Average load is measured as a decimal number, with 1.00 representing a fully loaded system.
It takes into account both running processes and processes waiting for resources.
High average load can indicate a need for more resources or optimization of processes.
Command 'uptime' can be used to check the average load on a Linux system
- Q6. Describe inodes and file descriptors. What is the use of swap
- Ans.
Inodes are data structures that store information about files on a Unix/Linux file system. File descriptors are unique identifiers for open files. Swap is a space on a hard disk used as virtual memory.
Inodes contain metadata about files such as ownership, permissions, and timestamps.
File descriptors are used by the operating system to keep track of open files and to perform I/O operations on them.
Swap is used when the ...
- Q7. What does a load balancer do when an instance in aws stops
- Ans.
Load balancer routes traffic to other healthy instances
Load balancer detects the unhealthy instance
Stops sending traffic to that instance
Routes traffic to other healthy instances
Maintains high availability and scalability of the application
- Q8. How would you debug a website which is progressively slowing down
- Ans.
To debug a progressively slowing down website, I would analyze the server logs, check for memory leaks, and optimize the code.
Analyze server logs to identify any errors or bottlenecks
Check for memory leaks in the code
Optimize the code by removing unnecessary scripts and optimizing images
Use tools like Chrome DevTools to identify performance issues
Consider implementing a content delivery network (CDN) to improve website
- Q9. Docker command to transfer an image from one machine to another without using docker registry
- Ans.
Docker save and Docker load commands can be used to transfer an image from one machine to another without using a Docker registry.
Use the 'docker save' command to save the image as a tar file on the source machine
Transfer the tar file to the destination machine using any file transfer method (e.g., scp)
On the destination machine, use the 'docker load' command to load the image from the tar file
- Q10. Write a program to reverse a string in Python
- Ans.
A program to reverse a string in Python
Use the slicing technique to reverse the string
Start with the last character and move backwards
Store the reversed string in a new variable
- Q11. Write ansible playbook to install apache
- Ans.
Ansible playbook to install Apache
Create a playbook file with .yml extension
Define hosts and remote user
Add tasks to install Apache package
Start Apache service
Save and run the playbook using ansible-playbook command
- Q12. What is the usecase which would require setup of distributed jenkins nodes
- Ans.
Distributed Jenkins nodes are used to handle large-scale builds and improve performance.
Large-scale builds: When there are a large number of builds to be executed simultaneously, distributed Jenkins nodes can handle the load by distributing the builds across multiple nodes.
Improved performance: By distributing the workload, the overall build time can be reduced, resulting in improved performance.
Resource utilization: D...
Interview Preparation Tips
Skills evaluated in this interview
I applied via LinkedIn and was interviewed before Aug 2021. There were 2 interview rounds.
(1 Question)
- Q1. Package and joininv date
(1 Question)
- Q1. Salary expected and location constraints
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed before Sep 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. The questions was to explain complete architecture of application and on the basis of answer they will go deeper in questioning to check your knowledge
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Minfy Technologies Devops Engineer Interview Process
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Minfy Technologies Devops Engineer Reviews and Ratings
based on 8 reviews
Rating in categories
|
Cloud Engineer
122
salaries
|  ₹2 L/yr - ₹9.2 L/yr |
|
Devops Engineer
65
salaries
| ₹3.8 L/yr - ₹10.5 L/yr |
|
Senior Cloud Engineer
33
salaries
| ₹5 L/yr - ₹19.2 L/yr |
|
AWS Cloud Engineer
25
salaries
| ₹2.5 L/yr - ₹8 L/yr |
|
Associate DevOps Engineer
21
salaries
| ₹3.5 L/yr - ₹6 L/yr |
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