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I applied via Campus Placement and was interviewed in Apr 2024. There were 3 interview rounds.
It was general aptitude round.
Questions form DSA to check problem solving abilities.
Find the second largest number in an array of strings.
Convert the array of strings to an array of integers for comparison.
Sort the array in descending order and return the second element.
Handle cases where there may be duplicates of the largest number.
I appeared for an interview before Sep 2020.
Round duration - 90 minutes
Round difficulty - Medium
It was Technical + Aptitude MCQ round.The technical section consisted if MCQ related to DSA,OS,DBMS.The aptitude section consisted of questions related to basic mathematics.
Prateek is a kindergarten teacher with a mission to distribute candies to students based on their performance. Each student must get at least one candy, and if two s...
The task is to distribute candies to students based on their performance while minimizing the total candies distributed.
Create an array to store the minimum candies required for each student.
Iterate through the students' ratings array to determine the minimum candies needed based on the given criteria.
Consider the ratings of adjacent students to decide the number of candies to distribute.
Calculate the total candies req...
Round duration - 30 minutes
Round difficulty - Medium
It was a technical interview testing the basic skills of OS and DBMS of candidates along with few project discussions from your CV.
List of 15 Linux commands with their functions
ls - list directory contents
pwd - print working directory
cd - change directory
mkdir - make a new directory
rm - remove files or directories
cp - copy files and directories
mv - move or rename files and directories
grep - search for patterns in files
chmod - change file permissions
ps - display information about running processes
top - display and update sorted information about pr...
DDL is used to define the structure of database objects, while DML is used to manipulate data within those objects.
DDL includes commands like CREATE, ALTER, DROP to define database objects like tables, indexes, etc.
DML includes commands like INSERT, UPDATE, DELETE to manipulate data within tables.
Example of DDL: CREATE TABLE employees (id INT, name VARCHAR(50));
Example of DML: INSERT INTO employees VALUES (1, 'John Doe
Tip 1 : Be clear about the concepts of Linux and shell scripting.
Tip 2 : Learn about the basics of Data structures and Algorithm.
Tip 3 : Be prepared to explain your projects mentioned in your CV.
Tip 1 : Use professional Keywords in your resume.
Tip 2 : Don't mention anything you are not confident in.
I applied via Approached by Company and was interviewed before Mar 2022. There were 3 interview rounds.
I applied via Company Website and was interviewed in Mar 2020. There was 1 interview round.
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
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
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
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
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
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 ...
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
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
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
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
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
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...
I applied via AmbitionBox and was interviewed in Jun 2024. There was 1 interview round.
I applied via Company Website and was interviewed before Sep 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
DaemonSet ensures that all or some nodes run a copy of a Pod
DaemonSet is a Kubernetes resource that ensures a copy of a Pod is running on all or some nodes in a cluster
It is useful for running a single instance of a Pod on every node in a cluster
DaemonSet is commonly used for monitoring, logging, and other system-level services
Example: Running a logging agent on every node in a Kubernetes cluster
Deployment is a way to manage and update applications in Kubernetes. StatefulSet is used for stateful applications with unique identities.
Deployment is used for stateless applications, while StatefulSet is used for stateful applications.
Deployment manages replica sets and ensures a desired state is maintained.
StatefulSet maintains a unique identity for each pod, making it suitable for applications that require stable a...
Write Terraform and Ansible script
Use Terraform to provision infrastructure resources like virtual machines, networks, and storage
Use Ansible to configure and manage software on the provisioned infrastructure
Create a Terraform script to deploy a virtual machine on AWS
Write an Ansible playbook to install and configure Nginx on the deployed virtual machine
I applied via Naukri.com and was interviewed in Mar 2022. There were 2 interview rounds.
based on 1 interview
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