Alan Scott Interview Questions and Answers

Q1. Tell me about your self.
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Q2. What is that you will bring to this organisation.
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Q1. Tell me about your working experience.
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Q2. Tell me about your self.
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Q1. Where do you see yourself
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Q2. Give examples of your past work
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Q1. What is an LVM
Ans. 
LVM stands for Logical Volume Manager, a tool used in Linux systems to manage disk space by creating logical volumes from physical volumes.
• LVM allows for dynamic resizing of logical volumes without needing to unmount the filesystem

• It provides features like striping, mirroring, and snapshots for data management

• Common LVM commands include pvcreate, vgcreate, lvcreate, lvextend, lvreduce

• Example: Creating a new logical vol...read more
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Q2. How to check the open ports
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To check open ports, use tools like netstat, nmap, or telnet
• Use netstat command to display all open ports on a system

• Use nmap tool to scan for open ports on a remote system

• Use telnet command to check if a specific port is open on a remote host
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Q1. What is a file storage and block storage
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File storage stores data in files and folders, while block storage stores data in blocks or chunks.
• File storage organizes data in a hierarchical structure of files and folders, similar to a traditional file system.

• Block storage breaks data into blocks or chunks and stores them in a raw format without any file system structure.

• File storage is commonly used for storing documents, images, videos, etc., while block storage...read more
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Q2. How do you troubleshoot a server
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To troubleshoot a server, start by checking for hardware issues, then move on to software problems and network connectivity.
• Check hardware components such as power supply, CPU, RAM, and storage devices for any issues or failures.

• Review system logs and error messages to identify any software-related issues or conflicts.

• Verify network connectivity by checking cables, switches, routers, and firewall settings.

• Use diagnosti...read more
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1. How to make an api call in java and count the number of items in the response?
2. Longest Incresing subsequence (leetcode)

with some MCQs in Java and microservices

Q1. What is java8. its features and uses
Ans. 
Java 8 is a major release of the Java programming language with new features like lambda expressions, streams, and default methods.
• Lambda expressions allow functional programming in Java.

• Streams provide a new way to work with collections in a more concise and efficient manner.

• Default methods allow interfaces to have method implementations.

• Java 8 also introduced the new Date and Time API for better handling of date and ...read more
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Q2. Use of microsevices in java. and its implmenatation
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Microservices in Java are a way to design software applications as a collection of small, loosely coupled services.
• Microservices architecture breaks down a large application into smaller, independent services that can be developed, deployed, and scaled independently.

• Each microservice typically focuses on a specific business function and communicates with other services through APIs.

• Java is a popular language for implem...read more
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Q3. Design patterns in java.
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Design patterns in Java are reusable solutions to common problems in software design.
• Design patterns help in creating maintainable and scalable code.

• Examples include Singleton, Factory, Observer, Strategy, and Decorator patterns.

• Each design pattern has its own purpose and implementation details.

• Design patterns promote code reusability and flexibility in software development.
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Q4. Find the height of binary tree using recursion?
Ans. 
Recursively find the height of a binary tree by comparing the heights of left and right subtrees.
• Start by checking if the root is null, return -1 if so.

• Recursively find the height of the left subtree and right subtree.

• Return the maximum of the heights of the left and right subtrees, plus 1 for the current node.
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Q1. Discussion about carrer summery. what is your roles and responsibilities in projects done by you. challanges faced in the developmenet area. how to identifty problems in code.
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Q2. Find the longest substring in string without repeating characters
Ans. 
Find the longest substring in a string without repeating characters.
• Use a sliding window approach to iterate through the string.

• Keep track of the characters seen so far in a set.

• Update the start of the window when a repeating character is encountered.

• Calculate the length of the current substring and update the longest substring found.

• Repeat until the end of the string is reached.
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SHL platform, choose the best answer form cse concept,apti,

Q1. Face to face in college campus
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Q1. It only for clearing the technical round
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Q1. HTML5 CSS3 Basics and Advanced
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Q2. Javascript Basics and Advanced
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Q1. RO basic questions Wiring Installation Electrical consumption unit Hvac
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Leet code question medium

Leetcode questions medium

Q1. Design barber shop booking system
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Q2. How would you scale it
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