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100+ Interview Questions and Answers

Updated 5 Oct 2024

Q1. Greatest Common Divisor You are given two numbers, ‘X’ and ‘Y’. Your task is to find the greatest common divisor of the given two numbers. The Greatest Common Divisor of any two integers is the largest number t...

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Q2. Move Zeros To Left You are given an array 'ARR' of integers. Your task is to modify the array so that all the array elements having zero values get pushed to the left and all the array elements having non-zero ...

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Q3. Selection Sort Selection sort is one of the sorting algorithms that works by repeatedly finding the minimum element from the unsorted part of the array and putting it at the beginning of the unsorted region of ...

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Q4. Colorful Knapsack You are given 'N' stones labeled from 1 to 'N'. The 'i-th' stone has the weight W[i]. There are 'M' colors labeled by integers from 1 to 'M'. The 'i-th' stone has the color C[i] which is an in...

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Discover null interview dos and don'ts from real experiences

Q5. Star Pattern Print the following pattern Pattern for N = 4 The dots represent spaces. Input Format: The first line contains a single integer ‘T’ representing the number of test cases. The first line of each tes...

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Q6. MCQ Questions

30 Questions (Aptitude), 15 question (Java, JavaScript, Angular, etc.)

Number Of MCQs - 45

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Q7. Java, JavaScript Questions

What is JavaScript? 

Enumerate the differences between Java and JavaScript? 

What are JavaScript Data Types? 

Q8. Zigzag Binary Tree Traversal Given a binary tree, return the zigzag level order traversal of the nodes' values of the given tree. Zigzag traversal means starting from left to right, then right to left for the n...

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Q9. Technical Questions

1) What is DBMS?
2) Difference between DBMS and data?
3) Any example of DBMS, what have you worked in?
4) Two SQL queries on LIMIT and ORDER.
5) Project related.

Q10. SDLC Models

What is Agile, waterfall, spiral, etc

Q11. System Design Question we worked on a ML based recommendation system with complete UI for e-commerce site. It was based on the Product we worked on as a team for Hackathon problem statement, there was presentat...

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Q12. MCQ Questions

Quantitative aptitude
1) Probability
2) Work
3) Blood relation

Number Of MCQs - 40

Q13. If the voice is coming from the CPU what can be the cause?

Ans.
The voice coming from the CPU can be caused by a malfunctioning fan or a failing hard drive. Malfunctioning fan can cause a buzzing or whirring sound. Failing hard drive can produce clicking or grinding noises. Other possible causes include loose components or electrical interference.

Q14. Basic HR questions

1. Introduction

2. Your strengths and weaknesses

3. Why Dell Technologies?

Q15. Do you have expertise on windows and hardware troubleshootings?

Ans.
Yes, I have expertise in troubleshooting Windows and hardware issues. I have experience in diagnosing and resolving hardware issues such as faulty RAM, hard drive failures, and overheating. I am proficient in troubleshooting Windows operating systems, including issues with drivers, software conflicts, and system crashes. I have worked with a variety of hardware and software configurations, including desktops, laptops, servers, and peripherals. I am familiar with diagnostic t...
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Q16. What are FSMO roles? What is DHCP, APIPA, and other networking questions

Ans.
FSMO roles are flexible single master operations roles in Active Directory that control specific domain and forest-wide operations. There are 5 FSMO roles: Schema Master, Domain Naming Master, RID Master, PDC Emulator, and Infrastructure Master. The Schema Master controls all updates and modifications to the schema. The Domain Naming Master controls the addition or removal of domains in the forest. The RID Master allocates sequences of unique RIDs to each domain controller i...
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Q17. What is the difference between char a [] ="string";and char .p ="star";?

Ans.
The first declaration creates an array of characters, while the second declaration creates a pointer to a character. char a[] = "string"; creates an array of characters with the size determined by the length of the string. char *p = "star"; creates a pointer to a character that points to the first character of the string.

Q18. what is the difference between thread ad a processing are the used?

Ans.
Threads and processes are used in computing to achieve multitasking and parallelism. Threads are lightweight units of execution within a process, while processes are independent instances of a program. Threads share the same memory space and resources of a process, while processes have their own memory space and resources. Threads are faster to create and switch between, while processes have more overhead due to memory isolation. Threads are suitable for tasks that require s...
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Q19. What is the difference between HTTP GET and HTTP Post?Explain

Ans.
HTTP GET is used to retrieve data from a server, while HTTP POST is used to send data to a server. GET requests are idempotent, meaning they can be repeated without changing the result. GET requests can be cached by the browser. POST requests are not idempotent and can have side effects on the server. POST requests are used for submitting forms, uploading files, or creating new resources. GET requests have limitations on the amount of data that can be sent, while POST reques...
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Q20. What is DNS and how to check DNS server address?

Ans.
DNS stands for Domain Name System. It is a system that translates domain names into IP addresses. DNS is responsible for resolving domain names to IP addresses DNS servers store information about domain names and their corresponding IP addresses To check DNS server address, use command prompt and type 'nslookup' followed by the domain name The result will display the IP address of the DNS server
Asked in
SDE Interview

Q21. MCQ Questions

Mostly from Database, Operating Systems, Networking.

Number Of MCQs - 90

Q22. What is a DLL? Explain a few advantages of using DLL's

Q23. How will you get the no. of instances created for a class from within the class?

Q24. What would you do if the computer is turned off and doesn’t turn on ?

Ans.
To troubleshoot a computer that doesn't turn on, check power connections, test the power supply, and diagnose hardware issues. Check power connections to ensure the computer is properly plugged in and the power switch is turned on. Test the power supply using a multimeter or by swapping it with a known working one. Diagnose hardware issues by disconnecting all peripherals, removing and reseating RAM and other components, and checking for any visible damage or loose connectio...
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Q25. What are RAM and ROM also explain difference between them?

Ans.
RAM and ROM are types of computer memory. RAM is volatile and used for temporary storage, while ROM is non-volatile and stores permanent data. RAM stands for Random Access Memory and is used for temporary storage of data that can be read from and written to by the computer's processor. ROM stands for Read-Only Memory and is non-volatile, meaning its contents are not lost when the computer is powered off. It stores permanent data that cannot be modified. RAM is faster but sma...
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Q26. What is the order of calling of constructors and destructors in class hierarchy? Explain

Q27. What is the difference between heap and stack memory? when are they used?

Q28. What is the difference between pointers and references? why?

Q29. What is the difference between UDP and TCP protocols?

Ans.
UDP is a connectionless protocol that provides fast, but unreliable data transmission. TCP is a connection-oriented protocol that ensures reliable data delivery. UDP stands for User Datagram Protocol, while TCP stands for Transmission Control Protocol. UDP is faster than TCP because it does not establish a connection before transmitting data. UDP does not guarantee delivery of packets, while TCP ensures reliable data transmission through error detection, retransmission, and ...
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Q30. What is the difference between heap and stack memeory ?

Q31. What is difference between router and hub?

Ans.
A router connects multiple networks and directs traffic between them, while a hub simply connects multiple devices in a network. A router operates at the network layer of the OSI model, while a hub operates at the physical layer. A router can determine the best path for data to travel between networks, while a hub simply broadcasts data to all connected devices. Routers are more secure than hubs, as they can filter and block traffic based on rules and policies. Examples of r...
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Q32. What is an endpoint and how to whitelist?

Ans.
An endpoint is a device or software that communicates with a network. Whitelisting is the process of allowing specific endpoints to access a network. Endpoints can include computers, servers, printers, and other network devices. Whitelisting involves creating a list of approved endpoints and blocking all others. This can help improve network security by preventing unauthorized access. For example, a company may whitelist the IP addresses of its employees' devices to allow th...
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Q33. What is POP3 and IMAP protocols?

Ans.
POP3 and IMAP are email protocols used for retrieving emails from a mail server. POP3 stands for Post Office Protocol version 3 and is used to download emails from a mail server to a local device. IMAP stands for Internet Message Access Protocol and is used to access emails on a mail server without downloading them to a local device. POP3 is a simple protocol and is best suited for users who access their emails from a single device. IMAP is a more advanced protocol and is be...
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Q34. What is the difference between abstraction and Interface?

Ans.
Abstraction is hiding the implementation details while Interface is a contract that defines the methods that a class must implement. Abstraction focuses on hiding the internal implementation details of a class, allowing the user to only see the necessary details. Interface defines a contract that specifies the methods a class must implement, without providing the implementation details. Abstraction can be achieved through abstract classes in programming languages like Java. ...
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Q35. What is the difference between union and struct?

Q36. What is BSOD and why this issue appears?

Ans.
BSOD stands for Blue Screen of Death. It is an error screen displayed on Windows operating systems when a critical system error occurs. BSOD is caused by hardware or software issues, such as faulty drivers, memory problems, or system files corruption. It can also be caused by overheating, power supply issues, or hardware failure. BSOD can be identified by the blue screen with white text displaying error codes and messages. To fix BSOD, users can try updating drivers, running...
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Q37. What is the use of a signature verification certificate in SAML Authentication?

Ans.
A signature verification certificate in SAML Authentication is used to verify the authenticity of the digital signature in SAML assertions. It is used to ensure that the SAML assertion has not been tampered with during transmission. The certificate contains the public key used to verify the digital signature. The certificate is typically issued by a trusted Certificate Authority (CA).

Q38. Name an OAuth grant type which is not browser based and why?

Ans.
Client Credentials grant type is not browser based as it does not involve user interaction. Client Credentials grant type is used when the client is the resource owner and can securely store and use client credentials. It is commonly used for machine-to-machine communication or server-to-server communication. Examples include API calls between servers or services within a system.

Q39. what is Kubernetes ? why it is required? how it is different from Docker swarm?

Ans.
Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. Kubernetes is required to manage and scale containerized applications efficiently. It provides features like automatic scaling, self-healing, load balancing, and rolling updates. Kubernetes uses a declarative approach to define the desired state of the application and ensures that the current state matches the desired state. Dock...
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Q40. Design Question

We had to build a CHATBOT.

Q41. What is computer is computer is computing machine

Ans.
A computing machine is an electronic device that can perform arithmetic and logical operations. Computing machines can be programmed to perform specific tasks. They use binary code to process information. Examples of computing machines include desktop computers, laptops, tablets, and smartphones.

Q42. Explain "Passing by value","passing by pointer" and "passing by reference"?

Q43. What is Outlook and how it work?

Ans.
Outlook is a personal information manager from Microsoft that allows users to manage emails, calendars, contacts, and tasks. Outlook is used for sending and receiving emails. It allows users to manage their calendars and schedule appointments. Contacts can be stored and managed in Outlook. Tasks can be created and tracked within the application. Outlook can be integrated with other Microsoft Office applications such as Word, Excel, and PowerPoint. It also has features like e...
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Q44. What are the ways you can use to filter columns using list comprehension?

Ans.
Filter columns using list comprehension by specifying conditions in a concise and readable way. Specify the condition within square brackets after the column name Use the 'if' statement to filter the columns based on the specified condition Example: [column for column in columns if column != 'unnecessary']

Q45. What is the first thing you do when your computer does not power on?

Ans.
The first thing to do when a computer does not power on is to check the power source and connections. Check if the power cord is properly plugged in to both the computer and the power outlet Ensure the power outlet is working by plugging in another device Check for any loose connections or damaged cables Try using a different power cord or adapter if available

Q46. What is O2C cycle and what will be your role in it?

Ans.
O2C cycle stands for Order to Cash cycle, which involves the entire process from receiving an order to receiving payment. O2C cycle involves receiving orders, processing orders, invoicing customers, collecting payments, and reconciling accounts. My role in the O2C cycle would include managing customer accounts, sending invoices, following up on overdue payments, and resolving any billing discrepancies. I would also be responsible for maintaining accurate records of transacti...
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Q47. Find duplicates between two sorted arrays

Ans.
Finding duplicates between two sorted arrays Use two pointers to traverse both arrays simultaneously If the elements at the pointers are equal, add to duplicates list and increment both pointers If not, increment the pointer with the smaller element Repeat until one of the arrays is fully traversed
Asked in
SDE Interview

Q48. Puzzle

Questions related to Web development and machine learning

Q49. What are troubleshooting steps you follow if a printer is not working at your work

Ans.
I would check for basic issues like paper jams, connectivity, and printer settings. Check for paper jams and clear any obstructions Ensure the printer is properly connected to power source and computer Verify printer settings and make sure it is set as default printer Restart the printer and computer to refresh connections Update printer drivers if necessary

Q50. Define the 3 financial statements and state the difference between them

Ans.
The 3 financial statements are Income Statement, Balance Sheet, and Cash Flow Statement. They differ in their focus and purpose. Income Statement shows a company's revenue and expenses over a period of time Balance Sheet shows a company's assets, liabilities, and equity at a specific point in time Cash Flow Statement shows a company's inflow and outflow of cash over a period of time Income Statement focuses on profitability, while Balance Sheet focuses on solvency and liquid...
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Q51. Explain pre-order,post-order and in-order binary tree traversal?

Q52. How to check IP and subnet mask?

Ans.
To check IP and subnet mask, use the ipconfig command on Windows or ifconfig command on Linux/Unix. Open Command Prompt or Terminal Type 'ipconfig' on Windows or 'ifconfig' on Linux/Unix Look for 'IPv4 Address' and 'Subnet Mask' in the output IPv4 Address is the IP address and Subnet Mask is the network mask

Q53. What is DHCP and why we need it?

Ans.
DHCP is a network protocol that automatically assigns IP addresses to devices on a network. DHCP eliminates the need for manual IP address configuration DHCP allows for efficient use of IP addresses DHCP can also provide additional network configuration information, such as DNS and gateway settings Examples of devices that use DHCP include computers, smartphones, and IoT devices

Q54. How do you connect a printer to a network?

Ans.
To connect a printer to a network, you need to ensure the printer is compatible with the network, obtain the printer's IP address, and configure the printer settings. Ensure the printer is compatible with the network (wired or wireless) Obtain the printer's IP address either through the printer's control panel or by printing a network configuration page Access the printer settings through a web browser by entering the printer's IP address Configure the network settings on th...
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Q55. What is BIOS, What is RAM & ROM, Types of hardware & software

Ans.
BIOS is a firmware that initializes hardware during boot, RAM is volatile memory for temporary storage, ROM is non-volatile memory for permanent storage. Hardware includes physical components like CPU, motherboard, etc. Software includes programs and applications. BIOS stands for Basic Input/Output System, responsible for initializing hardware during boot RAM (Random Access Memory) is volatile memory used for temporary storage of data and program instructions ROM (Read-Only ...
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Q56. What is composition and aggregation?

Q57. Explain the architectural difference between nas and san storages

Ans.
NAS and SAN storages differ in their architecture and usage. NAS (Network Attached Storage) is a file-level storage that uses a standard Ethernet network to provide shared access to files. SAN (Storage Area Network) is a block-level storage that uses a dedicated network to provide high-speed access to storage devices. NAS operates at the file level, allowing multiple clients to access files simultaneously. SAN operates at the block level, providing direct access to storage d...
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Q58. How to perform a remediation during an outbreak or a situation that requires immediate assistance.

Q59. what happens when you type google.com on browser addressbar

Ans.
Typing google.com in the browser address bar will take you to the Google search engine website. Typing google.com in the address bar sends a request to the DNS server to resolve the domain name to an IP address. The browser then sends a request to the IP address associated with google.com. The server hosting Google's website responds with the necessary files to display the webpage. The browser renders the webpage and displays the Google search engine interface.

Q60. What metrics have you used to make decisions in a project

Ans.
I have used metrics such as user engagement, conversion rates, and customer satisfaction to make decisions in projects. Utilized user engagement metrics like active users, session duration, and retention rate to assess product performance Analyzed conversion rates to optimize user flow and increase revenue Measured customer satisfaction through surveys and feedback to identify areas for improvement

Q61. Can you tell me configuration of your computer? for tech support people

Q62. what is the difference between a cd and mp3?

Ans.
CD is a physical storage medium while MP3 is a digital audio file format. CD stores audio data in a physical disc while MP3 stores it in a digital file format. CDs have limited storage capacity while MP3s can be compressed to take up less space. CDs require a CD player to play while MP3s can be played on various devices such as smartphones and computers.

Q63. What is the diffey between no display and no post?

Ans.
No display means the monitor is not showing anything, while no post means the computer is not booting up. No display refers to the monitor not showing anything, while no post refers to the computer not booting up. No display can be caused by a faulty monitor, loose cables, or a graphics card issue, while no post can be caused by a faulty power supply, RAM, or motherboard. No display can be fixed by checking the cables, restarting the computer, or replacing the monitor, while...
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Q64. How thw with holding tax is derived fir multiple vendors

Ans.
Withholding tax for multiple vendors is derived based on each vendor's individual tax information and payment amounts. Withholding tax rates may vary depending on the vendor's tax status and location. The total withholding tax for multiple vendors is calculated by summing up the individual withholding amounts. Each vendor's tax information, such as tax ID number and tax rate, is used to calculate the withholding tax. Examples of withholding tax calculations for multiple vend...
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Q65. What all tools were used by me for catalog management?

Q66. How do you handle critical application incident?

Ans.
I handle critical application incidents by following a structured incident response process. Quickly assess the severity and impact of the incident Notify relevant stakeholders and form an incident response team Identify the root cause of the issue and implement a temporary fix if needed Communicate updates and progress to stakeholders regularly Conduct a post-incident review to learn from the incident and prevent future occurrences

Q67. Internal Structure of hashmap and hashing algorithm

Ans.
Explanation of internal structure of hashmap and hashing algorithm Hashmap is a data structure that stores key-value pairs using a hash function Hashing algorithm converts the key into an index in the array Collisions can occur when two keys map to the same index Chaining and open addressing are two methods to handle collisions Load factor determines when to resize the hashmap

Q68. What troubleshooting will you do if your laptop slows down

Ans.
I would start by checking for any background processes consuming resources, running a virus scan, clearing temporary files, updating software, and checking for hardware issues. Check for background processes consuming resources Run a virus scan to check for malware Clear temporary files to free up space Update software and drivers Check for hardware issues such as overheating or failing components

Q69. What is ups (uninterruptable power supply)?

Q70. System Design Question

Design food delivery app.

Q71. difference between array, vector,list and dequeue?

Ans.
Array, vector, list, and dequeue are data structures used to store collections of elements. Array is a fixed-size collection of elements of the same type. Vector is a dynamic array that can grow or shrink in size. List is a doubly-linked list that allows efficient insertion and deletion at any position. Deque (double-ended queue) is a queue-like data structure that allows insertion and deletion at both ends.

Q72. What is inheritance in java

Ans.
Inheritance is a mechanism in Java where a class acquires the properties and methods of another class. It allows for code reusability and promotes a hierarchical relationship between classes. The subclass inherits all the non-private members (fields, methods) of the superclass. The keyword 'extends' is used to create a subclass. Example: class Dog extends Animal {} The subclass can override the methods of the superclass to provide its own implementation.

Q73. How would you design BCDR solution for your data center?

Ans.
Designing a BCDR solution involves creating a plan to ensure business continuity and disaster recovery for the data center. Identify critical systems and data that need to be protected Implement redundant infrastructure for failover and high availability Regularly test and update the BCDR plan to ensure effectiveness Consider offsite backups and data replication for additional protection

Q74. What is ECS? How it is different from EKS?

Ans.
ECS is a container management service by AWS, while EKS is a managed Kubernetes service. ECS (Elastic Container Service) is a container management service provided by AWS. ECS allows you to easily run and scale containerized applications on AWS. EKS (Elastic Kubernetes Service) is a managed Kubernetes service by AWS. EKS simplifies the process of deploying, managing, and scaling containerized applications using Kubernetes. ECS is more tightly integrated with other AWS servic...
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Q75. Which propas ues in Computers is

Ans.
There is no clear question here. Please provide a valid question.

Q76. Explain in brief Client Server technology?

Q77. what is encaplusulation and explain it with an example

Ans.
Encapsulation is the concept of bundling data and methods that operate on the data into a single unit. Encapsulation helps in hiding the internal state of an object and only exposing the necessary functionalities. It allows for better control over the data by preventing direct access from outside the class. An example of encapsulation is a class in object-oriented programming that has private variables and public methods to access and modify those variables.

Q78. What was your experience with java?

Ans.
I have 5 years of experience working with Java in various projects. Developed web applications using Java EE framework Utilized Spring framework for dependency injection and MVC architecture Worked with Hibernate for ORM mapping Implemented multithreading and concurrency in Java applications Used Java for backend development in enterprise systems

Q79. How do you handle escalations ?

Ans.
I handle escalations by identifying the root cause, communicating with all parties involved, and finding a solution that satisfies all parties. Listen to the concerns of the person escalating the issue Gather all necessary information and investigate the issue Communicate with all parties involved to understand their perspectives Identify the root cause of the issue Find a solution that satisfies all parties involved Document the issue and solution for future reference

Q80. What is active directory

Ans.
Active Directory is a Microsoft service that manages network resources and user accounts. Centralized database for managing network resources Allows for authentication and authorization of users and computers Enables group policy management for network-wide settings Examples: user accounts, computers, printers, security groups

Q81. C code to detect loop in linkedlist.

Ans.
Use Floyd's Cycle Detection Algorithm to detect loop in linked list. Initialize two pointers, slow and fast, both pointing to the head of the linked list. Move slow pointer by one step and fast pointer by two steps in each iteration. If there is a loop, the slow and fast pointers will meet at some point. To find the start of the loop, reset one pointer to the head and move both pointers at the same pace until they meet again.

Q82. Storage class Specifiers in c language

Ans.
Storage class specifiers in C language define the scope and lifetime of variables. Storage class specifiers include auto, register, static, and extern. Auto variables are stored in the stack and have local scope. Register variables are stored in CPU registers for faster access. Static variables retain their value between function calls. Extern variables are declared in one file and can be accessed in another file.

Q83. How abstraction is implemented?

Ans.
Abstraction is implemented in software engineering by hiding unnecessary details and exposing only relevant information. Abstraction is achieved through the use of abstract classes and interfaces in object-oriented programming. It allows developers to focus on the essential aspects of a concept without getting bogged down in implementation details. For example, in a car simulation program, the Car class may have abstract methods like start() and stop() without specifying how...
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Q84. What is difference between Snapshot and backup?

Ans.
Snapshot is a point-in-time copy of data, while backup is a complete copy of data stored separately. Snapshot captures the current state of data at a specific moment, while backup stores a complete copy of data at a separate location. Snapshots are usually faster to create and restore compared to backups. Backups are typically stored for longer periods and provide more comprehensive data protection. Snapshots are often used for quick recovery of data in case of errors or fai...
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Q85. Technical troubleshooting steps for system not booting

Ans.
Troubleshooting steps for system not booting Check power source and connections Verify hardware components are properly seated Try booting into safe mode Check for any error messages or beeps during boot process Attempt to boot from a different device or media

Q86. Future of it services in the next 10 years

Ans.
IT services will continue to evolve and expand in the next 10 years. Increased adoption of cloud computing and AI technologies Greater emphasis on cybersecurity and data privacy Growing demand for remote work and virtual collaboration tools Rapid development of IoT and edge computing Shift towards more personalized and user-centric services Emergence of new technologies and disruptive business models

Q87. How to deliver ur project to customers

Ans.
Deliver project to customers by ensuring proper testing, documentation, and communication. Perform thorough testing to ensure the project meets all requirements Document all aspects of the project, including user manuals and technical documentation Communicate with the customer to ensure their needs are met and any issues are addressed Provide training and support to the customer as needed Ensure a smooth transition from development to production

Q88. Implement a algorithm to sort an array?

Q89. URL shortening

Short URL redirection

Q90. Give me the code in-order recursive and non-recursive

Ans.
In-order traversal of a binary tree using both recursive and non-recursive methods. Recursive method: Traverse left subtree, visit root, traverse right subtree. Non-recursive method: Use a stack to simulate the recursive call stack. Example: Given binary tree: 1 / \ 2 3, In-order traversal: 2 1 3.

Q91. Print only prime numbers.

Ans.
Print only prime numbers. Iterate through numbers and check if they are divisible by any number less than itself If not divisible, print the number as prime Exclude 0, 1 and negative numbers as they are not prime

Q92. Know any thing about dell laptop. Why a customer buying dell system What is the support

Ans.
Dell laptops are known for their reliability, performance, and customer support. Dell laptops are known for their high quality build and durability. Customers choose Dell systems for their performance and reliability. Dell offers excellent customer support through phone, online chat, and on-site service. Dell provides warranty coverage and extended support options for their products.

Q93. Who is the prime minister of india

Ans.
Narendra Modi is the Prime Minister of India. Narendra Modi has been serving as the Prime Minister of India since May 2014. He is a member of the Bharatiya Janata Party (BJP). Modi has implemented various initiatives like Make in India, Swachh Bharat Abhiyan, and Digital India. Under his leadership, India has witnessed significant economic reforms and foreign policy advancements.

Q94. Explain compiling and linking in brief?

Q95. CHECK IF A STRING IS SUBSTRING OF ANOTHER STRING

Ans.
Check if a string is a substring of another string Use the indexOf() method to check if the substring exists in the main string If indexOf() returns -1, the substring is not present If indexOf() returns a value greater than -1, the substring is present

Q96. how to make management report with the help of AI

Ans.
Management reports can be generated using AI by collecting and analyzing data to provide insights and recommendations. Collect relevant data from various sources such as equipment sensors, maintenance logs, and work orders. Use AI algorithms to analyze the data and identify patterns, trends, and anomalies. Generate automated reports with key performance indicators, maintenance schedules, and recommendations for improvement. Implement a dashboard or visualization tool to pres...
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Q97. what is polymorphism and method overriding

Ans.
Polymorphism is the ability of a single function or method to operate on different types of data. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its parent class. Polymorphism allows different classes to be treated as instances of a common superclass. Method overriding is a feature that allows a subclass to provide a specific implementation of a method that is already provided by its parent class. Polymorphism ...
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Q98. Difference between join and source qualifier?

Ans.
Join is used to combine data from two or more tables based on a common column, while Source Qualifier is used to filter and sort data from a single table. Join combines data from multiple tables, while Source Qualifier filters and sorts data from a single table. Join can be inner, outer, left, right, or full, while Source Qualifier can only filter and sort data. Join requires at least one common column between the tables being joined, while Source Qualifier does not require ...
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Q99. What is BIOS? What is its funtionality

Ans.
BIOS stands for Basic Input/Output System. It is a firmware used to perform hardware initialization during the booting process. BIOS is a program stored on a chip on the computer's motherboard. It is responsible for initializing and testing hardware components during the boot process. BIOS provides the basic instructions that allow the operating system to communicate with hardware. It also manages the flow of data between the computer's operating system and attached devices....
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Q100. What is purpose of work

Ans.
The purpose of work is to achieve personal and professional goals while contributing to the success of the organization. Work provides financial stability and security Work helps individuals develop skills and gain experience Work allows individuals to contribute to society and make a difference Work provides a sense of purpose and fulfillment Work helps individuals achieve personal and professional goals Examples: earning a promotion, completing a project, helping a custome...
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