1000+ Intern Interview Questions and Answers

A mutual fund is a type of investment vehicle that pools money from multiple investors to invest in a diversified portfolio of securities.

• Mutual funds are managed by professional fund managers.

• Investors buy shares of the mutual fund, which represent their ownership in the fund's assets.

• Mutual funds offer diversification, as they invest in a variety of stocks, bonds, or other securities.

• They provide small investors access to professionally managed, diversified portfolios.

• Mutua...read more

SIP stands for Session Initiation Protocol.

• SIP is a signaling protocol used for initiating, modifying, and terminating real-time sessions between two or more participants over an IP network.

• It is commonly used for voice and video calls, instant messaging, and multimedia conferences.

• SIP enables the establishment of communication sessions and the negotiation of session parameters.

• It works in conjunction with other protocols like RTP (Real-time Transport Protocol) for media tran...read more

White box testing is a method of testing where the internal structure and implementation details of the software are known and tested. Black box testing is a method of testing where the internal structure and implementation details of the software are unknown and only the inputs and outputs are tested.

• White box testing is also known as clear box testing, glass box testing, or structural testing.

• It focuses on testing the internal logic, code paths, and branches of the software...read more

Polythene sheet is provided to the pillar for protection against moisture and corrosion.

• Polythene sheet acts as a barrier between the pillar and external environment.

• It prevents moisture from seeping into the pillar, which can cause corrosion.

• The sheet also protects the pillar from dust, dirt, and other contaminants.

• By providing a polythene sheet, the lifespan of the pillar can be extended.

• Examples: Construction sites use polythene sheets to cover pillars during rainy seasons...read more

To control PDS kerosene leakages in petrol pumps, strict monitoring and enforcement of regulations is necessary.

• Regular inspections of petrol pumps to check for leakages

• Installation of proper equipment to prevent leakages

• Strict penalties for petrol pump owners found guilty of leakages

• Training of petrol pump staff on proper handling of kerosene

• Encouraging consumers to report any leakages they observe

• Collaboration between government agencies and petrol pump owners to address th...read more

Object-oriented programming is a programming paradigm that organizes code into objects.

• Encapsulation: bundling data and methods together in a class

• Inheritance: creating new classes from existing ones

• Polymorphism: using a single interface to represent different types

• Abstraction: hiding complex implementation details

• Example: Creating a class 'Car' with properties like 'color' and methods like 'startEngine'

Field tests are performed to measure the strength and deflection of pavement surfaces.

• Field tests involve using specialized equipment to measure the pavement's response to a load.

• One common test is the Falling Weight Deflectometer (FWD), which drops a weight onto the pavement and measures the resulting deflection.

• Other tests include the Benkelman Beam and the Dynaflect.

• Deflection is a measure of how much the pavement surface moves under a load, and can indicate the pavement's...read more

CNC and lathe machines are used for precision cutting and shaping of materials.

• CNC machines use computer programming to control the cutting tools, allowing for highly precise and complex shapes to be created.

• Lathe machines are used for turning and shaping cylindrical objects, such as metal rods or wooden dowels.

• Both machines are commonly used in manufacturing and engineering industries.

• Examples of products made using CNC and lathe machines include engine parts, aerospace comp...read more

The type of data is not specified.

• Without knowing the specific problem, it is difficult to determine the type of data and the good model.

• More information about the problem is needed to provide a suitable answer.

• Examples of data types and models could include numerical data with a regression model, categorical data with a decision tree model, or text data with a natural language processing model.

Explaining final, finally, finalize, creating thread, abstract class, and main method in Java.

• final is a keyword used to declare a constant variable, finally is a block used in exception handling, and finalize is a method used for garbage collection.

• To create a thread, you can either extend the Thread class or implement the Runnable interface.

• An abstract class is a class that cannot be instantiated and is used as a base class for other classes to inherit from.

• public static vo...read more

Normalization is the process of organizing data in a database while denormalization is the process of intentionally introducing redundancy into a database.

• Normalization is used to minimize data redundancy and improve data integrity.

• Denormalization is used to improve query performance by reducing the number of joins needed.

• Normalization involves breaking down a table into smaller tables and establishing relationships between them.

• Denormalization involves combining tables to re...read more

The I.T sector in healthcare is expected to grow rapidly with the increasing adoption of digital health technologies.

• The use of electronic health records (EHRs) will continue to increase, leading to a greater need for data security and privacy measures.

• Telemedicine and remote patient monitoring will become more prevalent, especially in rural areas with limited access to healthcare.

• Artificial intelligence and machine learning will be used to improve diagnosis and treatment, as...read more

UG refers to undergraduate education while PG refers to postgraduate education.

• UG is the first level of higher education after completing secondary education.

• PG is pursued after completing UG and is a higher level of education.

• UG courses are generally of 3-4 years duration while PG courses are of 1-2 years duration.

• UG courses provide a broad understanding of a subject while PG courses provide in-depth knowledge and specialization.

• Examples of UG courses include Bachelor of Art...read more

Chromatography is a technique used to separate and analyze mixtures based on their different interactions with a stationary phase and a mobile phase.

• Chromatography is used in various industries such as pharmaceuticals, food and beverage, environmental analysis, and forensics.

• Types of chromatography include gas chromatography, liquid chromatography, thin-layer chromatography, and paper chromatography.

• The principle of chromatography involves the separation of components in a mi...read more

Capacitors store electrical energy while resistors limit the flow of current. Resistance is directly proportional to length and inversely proportional to area.

• Capacitors store electrical energy by creating an electric field between two conductive plates separated by an insulating material

• Resistors limit the flow of current in a circuit by dissipating energy in the form of heat

• The resistance of a resistor is directly proportional to its length and inversely proportional to its...read more

Tuples are immutable and ordered while lists are mutable and unordered. Use a defaultdict instead of a dictionary when the key has multiple values.

• Tuples are defined with parentheses while lists are defined with square brackets.

• Tuples cannot be modified once created while lists can be modified.

• A defaultdict is a subclass of dictionary that provides a default value for a nonexistent key.

• Example: defaultdict(list) can be used to create a dictionary where the values are lists.

Agile is iterative and flexible, while waterfall is linear and rigid.

• Agile focuses on delivering working software in short iterations

• Waterfall follows a sequential approach with distinct phases

• Agile encourages collaboration and adaptability

• Waterfall emphasizes planning and documentation

• Agile is better suited for complex and uncertain projects

• Waterfall is better suited for projects with well-defined requirements

• Examples of agile methodologies include Scrum and Kanban

• Examples o...read more

Yes, I have experience working with ticketing and reservation software for passengers.

• I have worked with Amadeus reservation system for booking flights and hotels

• I have also used Sabre for booking flights and managing reservations

• I am familiar with online booking platforms like Expedia and Booking.com

• I have experience handling customer inquiries and resolving issues related to bookings

Enzymes are biological catalysts that speed up chemical reactions. Enzyme kinetics studies their rates and mechanisms of action.

• Enzymes are proteins that catalyze chemical reactions in living organisms.

• They work by lowering the activation energy required for a reaction to occur.

• Enzyme kinetics is the study of how enzymes work, including their rates and mechanisms of action.

• Enzyme inhibition is the process by which an enzyme's activity is reduced or stopped by a molecule that ...read more

Answers to technical questions related to programming concepts.

• A variable is a container that stores a value or reference to an object.

• Static in main method means that the method can be called without creating an instance of the class.

• A map is a collection of key-value pairs where each key is unique.

• OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.

Open Access (OA) scenario in India

• India has seen a significant growth in OA initiatives in recent years

• Several government-funded research institutions have adopted OA policies

• Indian Council of Agricultural Research (ICAR) mandates OA for agricultural research

• OA repositories like Indian Academy of Sciences, National Digital Library, etc. promote OA content

• Some Indian journals have transitioned to OA models, such as the Indian Journal of Medical Research

• OA awareness and advocac...read more

I can promote Coding Ninjas courses by organizing coding events, sharing course details on social media, and collaborating with college clubs.

• Organize coding events in college and invite Coding Ninjas as a sponsor or guest speaker

• Share course details on social media platforms like Facebook, LinkedIn, and Twitter

• Collaborate with college clubs like coding clubs, tech clubs, and entrepreneurship clubs to promote the courses

• Distribute flyers and posters in college notice boards a...read more

Print a pattern using code

• Use nested loops to iterate through rows and columns

• Use string concatenation to build each row of the pattern

• Print each row to display the pattern

To measure current with a multimeter, set the multimeter to the current measurement mode, connect the multimeter in series with the circuit, and read the current value displayed on the multimeter.

• Set the multimeter to the current measurement mode (usually denoted by 'A' for Amperes)

• Turn off the power to the circuit before connecting the multimeter in series

• Connect the multimeter in series with the circuit - place the multimeter in the path of the current flow

• Read the current ...read more

Power supplied from a socket is alternating current (AC).

• Most household sockets provide AC power

• AC power changes direction periodically

• DC power is commonly used in batteries and some electronics

Typical voltage supplied by an electrical socket is 120 volts, while the current can vary depending on the country and type of socket.

• Voltage supplied by an electrical socket is typically around 120 volts

• Current supplied can vary depending on the country and type of socket

• In the US, standard electrical sockets provide 120 volts AC at 15-20 amps

• In Europe, standard electrical sockets provide 230 volts AC at 16 amps

The current term deposit rates in India vary depending on the bank and tenure.

• Term deposit rates in India are determined by individual banks.

• Rates can vary based on the tenure of the deposit.

• Different banks offer different interest rates for term deposits.

• Customers can compare rates offered by various banks before making a decision.

• Term deposit rates are subject to change based on market conditions.

Penetration testing is a simulated cyber attack on a computer system to identify vulnerabilities and assess security measures.

• It involves attempting to exploit weaknesses in a system's defenses

• The goal is to identify potential security risks and provide recommendations for improvement

• Penetration testing can be done manually or with automated tools

• Examples of penetration testing include network penetration testing, web application penetration testing, and social engineering te...read more

I will use my communication skills and market research to identify potential customers and create targeted marketing campaigns.

• Conduct market research to identify potential customers

• Develop targeted marketing campaigns to reach specific customer segments

• Utilize social media and other digital marketing channels to increase brand awareness

• Attend industry events and conferences to network and generate leads

• Collaborate with sales team to ensure customer satisfaction and retention

Agile is the best software model due to its flexibility and adaptability.

• Agile allows for continuous feedback and improvement

• It prioritizes customer satisfaction and collaboration

• It is adaptable to changing requirements and needs

• Examples include Scrum, Kanban, and Extreme Programming

Quality and financial measures for govt-private collaboration in education institutions.

• Establish clear guidelines and standards for infrastructure, faculty, curriculum, and student outcomes.

• Ensure transparency in financial transactions and accountability for the use of public funds.

• Conduct regular audits and evaluations to monitor the quality of education and financial performance.

• Encourage competition among private players to improve quality and affordability.

• Provide financ...read more

Search a number in sorted rotated array.

• Use binary search to find the pivot point where the array is rotated

• Determine which half of the array the target number may be in

• Perform binary search on the appropriate half of the array to find the target number

Classful addressing uses fixed network sizes, while classless addressing allows for variable network sizes.

• Classful addressing divides IP addresses into five classes: A, B, C, D, and E.

• Classful addressing assumes that all networks within a class have the same network size.

• Classless addressing allows for more flexibility in network size and allows for the creation of subnets.

• Classless addressing is used in modern networks, while classful addressing is obsolete.

• Example of class...read more

Program to convert case and swap digits in a string

• Use a loop to iterate through each character in the string

• Check if the character is a letter or a digit

• If it's a letter, use the built-in functions to convert case

• If it's a digit, swap it with the adjacent digit using a temporary variable

Analyzing a bank's balance sheet involves examining key ratios such as capital adequacy, asset quality, and liquidity.

• Calculate capital adequacy ratio (CAR) to assess the bank's ability to absorb losses

• Examine asset quality by calculating non-performing asset (NPA) ratio

• Analyze liquidity by calculating loan-to-deposit (LTD) ratio

• Assess profitability by calculating return on assets (ROA) and return on equity (ROE) ratios

• Compare ratios to industry benchmarks and historical data...read more

Clustered classification organizes data based on similarity, while non-clustered does not. Performance wise, clustered is better. If database is out of storage, in clustered classification data can be moved to another node, while in non-clustered classification data can be stored in a temporary location.

• Clustered classification organizes data into groups based on similarity, improving query performance.

• Non-clustered classification does not organize data based on similarity, l...read more

There are various types of graphs used in data visualization, such as bar graphs, line graphs, pie charts, scatter plots, and histograms.

• Bar graph - used to compare different categories

• Line graph - shows trends over time

• Pie chart - displays parts of a whole

• Scatter plot - shows relationship between two variables

• Histogram - displays distribution of data

Outsourcing manufacturing is a common practice for many companies to reduce costs and increase efficiency.

• Outsourcing can provide access to specialized skills and technology

• It can also reduce labor costs and overhead expenses

• However, outsourcing can also lead to quality control issues and communication challenges

• The cable box manufacturer should carefully evaluate potential outsourcing partners and negotiate clear contracts to ensure quality and timely delivery

The total number of knee replacement surgeries in India is difficult to estimate accurately.

• The number of knee replacement surgeries in India can vary each year due to factors such as population growth, aging population, and advancements in medical technology.

• To estimate the total number, we can consider the average number of knee replacement surgeries performed in major hospitals and multiply it by the total number of hospitals in India.

• Government data and statistics from me...read more

Smoke testing is a quick and shallow test to check basic functionality, while sanity testing is a more thorough test to ensure system stability.

• Smoke testing is done to check if the critical functionalities of the system are working or not.

• Sanity testing is done to check if the system is stable enough to proceed with further testing.

• Smoke testing is usually done after a build is deployed, while sanity testing is done after major changes are made to the system.

• Smoke testing is...read more

Yes, I know the basics of electronics including the difference between NPN and PNP transistors, the concept of a diode, types of transistors, C programming, loops, and arrays.

• NPN and PNP transistors are bipolar junction transistors with different polarities.

• A diode is an electronic component that allows current to flow in one direction.

• A transistor is a semiconductor device used for amplification and switching. There are mainly two types: NPN and PNP.

• C programming is a high-l...read more

CIA Triad ensures data security. DOS attack can cause loss of availability.

• CIA Triad stands for Confidentiality, Integrity, and Availability.

• It ensures data security by protecting against unauthorized access, alteration, and destruction.

• DOS attack can cause loss of availability by overwhelming a system with traffic or requests.

• This can result in the system becoming unresponsive or crashing, making the data unavailable.

• For example, a website may become unavailable during a DO...read more

HAVING clause is used with GROUP BY to filter groups, WHERE clause is used to filter rows.

• HAVING clause is used with GROUP BY clause to filter groups based on aggregate functions.

• WHERE clause is used to filter rows based on conditions.

• HAVING clause is used after GROUP BY clause, while WHERE clause is used before GROUP BY clause.

• HAVING clause can use aggregate functions, while WHERE clause cannot.

• Example: SELECT category, COUNT(*) FROM products GROUP BY category HAVING COUNT(*...read more

Different ways of investment include stocks, bonds, real estate, mutual funds, and commodities.

• Stocks: Buying shares of a company

• Bonds: Investing in debt securities

• Real Estate: Purchasing properties for rental income or capital appreciation

• Mutual Funds: Pooling money with other investors to invest in a diversified portfolio

• Commodities: Investing in physical goods like gold, oil, or agricultural products

It is difficult to estimate the exact number of customers gained by Flipkart due to the Big Billion Day sale.

• Flipkart reported a 65% increase in new customers during the sale period.

• The company claimed to have sold 10 million products in the first hour of the sale.

• Many customers may have made repeat purchases due to the attractive discounts.

• The sale may have also attracted customers who were previously loyal to other e-commerce platforms.

• The number of customers gained may als...read more

Types of inheritance include single, multiple, multilevel, hierarchical, hybrid, and multipath inheritance.

• Single inheritance: A child class inherits from a single parent class.

• Multiple inheritance: A child class inherits from multiple parent classes.

• Multilevel inheritance: A child class inherits from a parent class, which in turn inherits from another parent class.

• Hierarchical inheritance: Multiple child classes inherit from a single parent class.

• Hybrid inheritance: A combin...read more

Administration focuses on planning and organizing, while management focuses on directing and controlling.

• Administration involves setting goals, creating policies, and making decisions.

• Management involves implementing plans, coordinating resources, and supervising employees.

• Administrators are responsible for the overall functioning of an organization.

• Managers are responsible for achieving specific objectives within the organization.

• Example: The CEO of a company is responsible ...read more