Weblink In Interview Questions and Answers for Freshers

I am a detail-oriented business analyst with experience in data analysis and process improvement.

• I have a Bachelor's degree in Business Administration

• I have worked with various stakeholders to identify business needs and requirements

• I am proficient in SQL and Excel for data analysis

• I have experience in process improvement and project management

• I am a strong communicator and collaborator

I have completed a business analyst certification course and have interned at a software development company.

• Completed a business analyst certification course from XYZ Institute

• Interned at ABC Software Development Company for 6 months

• Worked on requirement gathering, documentation and analysis for a project

• Assisted senior business analysts in creating project plans and reports

The Instrumentation Department is responsible for designing, installing, and maintaining control systems and instruments used in industrial processes.

• Designing and implementing control systems for industrial processes

• Installing and maintaining instruments used in industrial processes

• Ensuring accuracy and reliability of instruments and control systems

• Collaborating with other departments to optimize processes and improve...read more

I am excited to join Affine Analytics because of their reputation for delivering innovative solutions and their focus on employee growth.

• Affine Analytics has a strong track record of delivering cutting-edge solutions to clients across industries.

• I am impressed by the company's commitment to employee growth and development, as evidenced by their training and mentorship programs.

• I am excited about the opportunity to work...read more

Data analytics allows me to use my technical skills to solve business problems and make data-driven decisions.

• Data analytics helps me to identify patterns and trends in data that can be used to improve business processes.

• It allows me to work with large datasets and use statistical methods to extract insights.

• I can use my technical skills to develop and implement data models and algorithms.

• Data analytics is a growing fi...read more

No, two diodes in series cannot work as a transistor.

• Transistors have three terminals while diodes have two.

• Transistors can amplify signals while diodes cannot.

• Transistors can be used as switches while diodes cannot.

• Diodes in series will only increase the voltage drop.

• Transistors have different modes of operation such as common emitter, common base, and common collector.

I developed a drone that can detect and monitor forest fires.

• Designed and built a drone with thermal imaging camera

• Integrated machine learning algorithm to detect fire

• Tested and validated the drone in a controlled forest environment

• Presented the project at a national engineering conference

I play badminton twice a week as a hobby.

• I enjoy playing badminton as a way to stay active and relieve stress.

• I usually play with friends or family members at a local community center.

• I have been playing badminton for several years and have improved my skills over time.

No, I don't have any problem working in Bangalore.

• I am familiar with the city and its culture

• I have worked in Bangalore before and enjoyed my experience

• I am open to new experiences and challenges

• I am willing to adapt to the local environment and work culture

Real Madrid is my favorite because of their rich history, success, and style of play.

• Real Madrid has won a record 13 Champions League titles, which is a testament to their success

• Their style of play is attractive and entertaining to watch

• The club has a rich history and has had some of the greatest players in football history, such as Cristiano Ronaldo and Zinedine Zidane

Factors to consider before going App only as CEO of Flipkart

• Analyze the data from website and app to understand user behavior

• Evaluate the impact on sales and revenue

• Consider the potential loss of customers who prefer website over app

• Assess the cost of developing and maintaining the app

• Evaluate the competition and their strategies

• Consider the impact on brand image and customer loyalty

• Assess the feasibility of providing ...read more

Find pair of elements in an array whose sum is equal to a given number K.

• Iterate through the array and for each element, check if K minus the element exists in the array.

• Use a hash table to store the elements and their indices for faster lookup.

• If multiple pairs exist, return any one of them.

• If no pair exists, return null or an appropriate message.

Session is maintained using session affinity or sticky sessions.

• Session affinity ensures that a user's session is always directed to the same server.

• Load balancer uses a unique identifier to route requests to the same server.

• Sticky sessions can be implemented using cookies or URL rewriting.

• Session replication can also be used to maintain session data across multiple servers.

Singleton pattern ensures only one instance of a class is created and provides a global point of access to it.

• Create a private constructor to prevent direct instantiation of the class

• Create a private static instance of the class

• Create a public static method to access the instance

• Ensure thread safety by using synchronized keyword or static initialization block

• Examples: Logger, Configuration Manager, Database Connection

Explaining abstract class, interface and multiple inheritance in PHP.

• Abstract class is a class that cannot be instantiated and can have abstract methods.

• Interface is a collection of abstract methods and constants that can be implemented by a class.

• Multiple inheritance is not possible in PHP, but can be achieved using interfaces.

• Interfaces can be implemented by multiple classes, allowing for multiple inheritance-like be

Write a stored procedure from given tables and conditions

• Identify the tables and their relationships

• Determine the conditions to be used in the stored procedure

• Write the SQL code for the stored procedure

• Test the stored procedure to ensure it returns the desired results

To increase PHP memory at run time, modify the php.ini file or use ini_set() function.

• Edit the memory_limit value in php.ini file

• Use ini_set('memory_limit', '256M') function to increase memory limit at run time

• Check for memory leaks in the code

• Use unset() function to free up memory after use

php.ini is a configuration file for PHP that allows users to customize various settings.

• Change PHP settings such as memory limit, file upload size, and error reporting

• Enable or disable extensions and modules

• Set timezone and language settings

• Configure email settings

• Control caching and session settings

Use window.location to get domain from a url in jQuery.

• Use window.location to get the full url

• Use .hostname to get the domain name

• Use .replace() to remove 'www.' if present

WAP to find smallest palindrome number larger than given number.

• Convert the given number to string and check if it is already a palindrome.

• If not, increment the number and check if it is a palindrome.

• Repeat until a palindrome number larger than the given number is found.

• Use a while loop to implement the above steps.

WAP to check if linked list elements is a palindrome without using any extra space.

• Traverse the linked list and reverse the second half of the list

• Compare the first half with the reversed second half

• Use two pointers to traverse the list, one at normal speed and other at double speed

Find the first non-repeating character in a string.

• Create a hash table to store the frequency of each character in the string.

• Iterate through the string and check the frequency of each character.

• Return the first character with a frequency of 1.

Connection pooling is a technique of reusing database connections to improve performance.

• Connection pooling helps to reduce the overhead of creating and destroying database connections.

• It maintains a pool of connections that can be reused by multiple clients.

• Connection pooling is commonly used in web applications to handle multiple requests simultaneously.

• It can be configured with parameters like maximum number of conn...read more

A singleton class in PHP is a class that can only be instantiated once.

• Create a private constructor to prevent direct instantiation

• Create a private static variable to hold the instance of the class

• Create a public static method to get the instance of the class

• Ensure that the public static method always returns the same instance

To connect to MySQL database using PHP, create a Connection class.

• Use mysqli_connect() function to establish a connection

• Pass the database credentials as parameters to the function

• Create a constructor method to initialize the connection

• Create a query method to execute SQL queries

• Close the connection using mysqli_close() method

There are three types of errors in PHP: syntax errors, runtime errors, and logical errors.

• Syntax errors occur when the code is not written correctly, such as missing semicolons or parentheses.

• Runtime errors occur during the execution of the code, such as trying to access an undefined variable.

• Logical errors occur when the code runs without errors, but produces unexpected results, such as a miscalculation in a formula.

Session in PHP allows to store user data on the server for later use.

• Session starts when a user logs in and ends when the user logs out or the session expires.

• Session data is stored on the server and identified by a unique session ID.

• Session variables can be set and accessed using the $_SESSION superglobal array.

• Session can be destroyed using the session_destroy() function.

• Session can be used to store user-specific dat...read more

Find missing element in an array of elements from 0 to n-1

• Calculate sum of all elements in array and subtract from sum of n natural numbers

• Use XOR operation on all elements and n natural numbers

• Sort the array and find the missing element