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Generate all permutations of a given number without duplicates
Use backtracking to generate all possible permutations
Avoid duplicates by keeping track of used digits
Recursively swap digits to generate permutations
Bash script to create a pyramid pattern
Use nested loops to print spaces and stars in a pyramid shape
Incrementally increase the number of stars in each row
Calculate the number of spaces needed for each row based on the total number of rows and current row number
Parking lot scalability can be achieved through modular design, efficient space utilization, and smart technology integration.
Implement modular design to easily expand or reduce parking capacity
Utilize efficient space utilization techniques like stackable parking systems or automated parking solutions
Integrate smart technology such as sensors for real-time parking availability updates and automated payment systems
Design a toll system for collecting fees from vehicles using RFID technology.
Implement RFID technology for automatic vehicle identification
Set up toll booths with RFID readers to detect vehicles
Calculate toll fees based on vehicle type, distance traveled, and time of day
Provide payment options such as prepaid accounts or credit card payments
TestNG is a testing framework for Java that supports various testing levels and annotations.
TestNG allows for easy configuration of test suites, test cases, and test methods.
It supports parallel execution of tests, data-driven testing, and parameterization.
TestNG provides detailed test reports and allows for grouping of test methods.
Real-time usage includes automating test cases for web applications, API testing, ...
Use iterative approach to traverse both linked lists and sum corresponding nodes while keeping track of carry.
Iterate through both linked lists simultaneously
Sum corresponding nodes and carry from previous sum
Create a new linked list to store the sum
Find the longest subsequence in a string without repeating characters.
Use a sliding window approach to keep track of the characters seen so far.
Update the start index of the window when a repeating character is encountered.
Keep track of the longest subsequence length seen so far.
The sum of principal diagonal elements of a matrix is calculated by adding the elements from the top left to bottom right.
Add the elements from the top left to bottom right of the matrix to get the sum of principal diagonal elements.
For example, in a 3x3 matrix [[1, 2, 3], [4, 5, 6], [7, 8, 9]], the principal diagonal elements are 1, 5, and 9. Their sum would be 15.
Recursion is a programming technique where a function calls itself to solve smaller instances of a problem.
Recursion involves a base case to stop the recursion, e.g., factorial(0) = 1.
It can simplify code for problems like tree traversals or Fibonacci series.
Example: Fibonacci sequence can be defined as fib(n) = fib(n-1) + fib(n-2).
Recursive solutions can be less efficient due to stack overflow or repeated calcula...
OOPS concept refers to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class. Example: Parent class 'Animal' and child class 'Dog'.
Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class 'Car' with private variables like 'speed' and methods l...
I appeared for an interview in Dec 2024.
ipconf.pl is a Perl script used for configuring network interfaces on Linux systems.
ipconf.pl is typically used to set up IP addresses, netmasks, gateways, and DNS servers on Linux machines.
It can be used to automate the configuration of network interfaces during system setup or maintenance.
The script may also be used to troubleshoot network connectivity issues by checking and modifying network settings.
ipconf.pl is of...
Scan VIP is used for load balancing traffic to multiple nodes, while Node VIP is assigned to a specific node for direct access.
Scan VIP is a virtual IP address used for load balancing traffic across multiple nodes in a cluster.
Node VIP is a virtual IP address assigned to a specific node in the cluster for direct access.
Scan VIP is typically used for services that need to be highly available and distributed across multi...
Quarantile in Exadata is a feature that isolates problematic cells to prevent them from affecting the rest of the system.
Quarantile is a feature in Exadata that identifies and isolates cells that are experiencing issues or failures.
It helps prevent the spread of issues to other cells in the system, ensuring high availability and performance.
Quarantiled cells are still accessible for diagnosis and maintenance, but are n...
The master switch in Exadata can be identified by checking the status of the cell server software.
Check the status of the cell server software using the 'cellcli' command
The cell server with the 'MS' role is the master switch
The master switch can also be identified by checking the 'cellinit.ora' file
Spine switch and leaf switch are networking components in Exadata used for connecting database servers and storage servers.
Spine switch acts as the core of the network, connecting all leaf switches and providing high-speed connectivity.
Leaf switches connect database servers and storage servers to the spine switch, facilitating communication between them.
Exadata uses a leaf-spine network architecture for efficient data ...
One of the node of a 3 node cluster is down. Explain the step by step process to troubleshoot the issue.
Shell script & terraform code output was asked.
I appeared for an interview in Jan 2025, where I was asked the following questions.
A voting system allows users to cast votes securely and anonymously for candidates or options in an election.
User Registration: Users must register with valid identification to vote.
Voting Process: Users can select candidates/options and submit their votes securely.
Anonymity: Votes should be anonymous to protect voter privacy.
Security: Implement encryption to protect vote data and prevent tampering.
Results Tallying: Vo...
I appeared for an interview in Feb 2025.
I served as a Principal Consultant, leading strategic projects and driving client success through innovative solutions and expert guidance.
Led a team of consultants to deliver high-impact projects for clients in various industries, enhancing operational efficiency.
Developed and implemented strategic plans that resulted in a 30% increase in client satisfaction scores over two years.
Conducted workshops and training sessi...
My previous compensation was competitive, reflecting my experience and contributions to the organization.
Base salary: $120,000 annually, which was aligned with industry standards for my role.
Performance bonuses: Received up to 15% of my base salary based on quarterly performance metrics.
Equity options: Participated in a stock option plan that provided additional long-term incentives.
Benefits: Comprehensive health insur...
I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
P2P cycle involves the process of procuring goods or services from a supplier.
P2P stands for Procure to Pay cycle
It includes steps like requisition, purchase order, goods receipt, invoice receipt, and payment
Ensures proper controls and compliance with company policies
Integration with suppliers and financial systems is crucial
As a Senior Quality Analyst, I ensure product quality through testing, process improvement, and team collaboration.
Develop and execute test plans and test cases to validate software functionality.
Conduct regression testing to ensure new features do not disrupt existing functionality.
Collaborate with cross-functional teams to identify and resolve quality issues early in the development cycle.
Utilize automated testing to...
I leverage technical skills to enhance quality assurance processes, ensuring efficient team collaboration and effective testing strategies.
Utilize automation tools like Selenium to streamline regression testing, reducing manual effort by 40%.
Implement continuous integration practices using Jenkins, enabling faster feedback loops for developers.
Conduct regular code reviews and pair testing sessions to foster knowledge s...
As a Senior Quality Analyst, I ensure product quality through testing, process improvement, and team collaboration.
Conduct comprehensive testing of software applications to identify defects and ensure functionality.
Develop and implement quality assurance processes, improving efficiency by 20%.
Collaborate with cross-functional teams to define quality standards and best practices.
Mentor junior analysts, enhancing team sk...
My biggest challenge was leading a project with tight deadlines and limited resources, which tested my leadership and problem-solving skills.
Faced a project with a 3-week deadline and a team of 3 instead of the usual 5.
Implemented agile methodologies to streamline processes and improve efficiency.
Conducted daily stand-up meetings to ensure clear communication and address issues promptly.
Prioritized tasks based on impac...
I appeared for an interview in Mar 2025, where I was asked the following questions.
AI is a key part of our feature roadmap, enhancing user experience through personalized recommendations and automation.
Personalized Recommendations: Using AI algorithms to analyze user behavior and preferences, we can suggest products or content tailored to individual users.
Automated Customer Support: Implementing AI chatbots to handle common queries, providing instant responses and freeing up human agents for complex ...
I appeared for an interview in May 2025, where I was asked the following questions.
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Chennai
+115-24 Yrs
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