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10+ Little Jewels Kindergarten Interview Questions and Answers

Updated 30 Dec 2024
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Q1. What is ticketing tool? Describe that??

Ans.

A ticketing tool is a software used to manage and track customer support requests or incidents.

  • It allows users to submit tickets or requests for assistance.

  • It assigns tickets to appropriate support staff for resolution.

  • It tracks the status and progress of each ticket until it is resolved.

  • It provides reporting and analytics on ticket volume, resolution time, and customer satisfaction.

  • Examples include ServiceNow, JIRA Service Desk, and Zendesk.

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Q2. What is subnet?? What is subnet of 120?

Ans.

A subnet is a smaller network within a larger network. The subnet of 120 depends on the subnet mask.

  • Subnet is a way to divide a larger network into smaller ones

  • Subnet mask determines the size of the subnet

  • Subnetting helps in efficient use of IP addresses

  • The subnet of 120 depends on the subnet mask used

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Q3. Explain activity lifecycle

Ans.

Activity lifecycle refers to the series of states an activity goes through during its lifetime in an Android app.

  • onCreate() - activity is created

  • onStart() - activity becomes visible to the user

  • onResume() - activity is interacting with the user

  • onPause() - activity is partially visible but still running

  • onStop() - activity is no longer visible to the user

  • onDestroy() - activity is being destroyed

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Q4. MVVM Architecture explain

Ans.

MVVM is an architectural pattern used in software development, particularly in Android apps, to separate the user interface from the business logic.

  • MVVM stands for Model-View-ViewModel

  • Model represents the data and business logic

  • View is the UI component that displays the data and interacts with the user

  • ViewModel acts as a mediator between the Model and the View, handling user interactions and updating the Model

  • MVVM helps in separating concerns, making code more modular and eas...read more

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Q5. What is DHCP,DNS?

Ans.

DHCP is a protocol that assigns IP addresses to devices on a network. DNS is a system that translates domain names to IP addresses.

  • DHCP stands for Dynamic Host Configuration Protocol

  • DHCP assigns IP addresses to devices on a network

  • DNS stands for Domain Name System

  • DNS translates domain names to IP addresses

  • DNS is used to access websites and other resources on the internet

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Q6. Difference between Domain and workgroup???

Ans.

Domain is a centralized network where computers are managed by a server, while workgroup is a decentralized network where computers are managed individually.

  • Domain is managed by a domain controller server, while workgroup has no centralized server.

  • Domain allows for centralized management of user accounts, security policies, and resources, while workgroup does not.

  • Domain allows for easier scalability and security, while workgroup is more suitable for small networks with fewer ...read more

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Q7. 1. Check all the permutations of palindrome in an array

Ans.

Find all permutations of palindromes in an array of strings.

  • Iterate through each string in the array.

  • For each string, generate all possible permutations.

  • Check if each permutation is a palindrome.

  • Return the list of palindromic permutations.

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Q8. Write the code for even number

Ans.

Code to identify even numbers

  • Use the modulo operator (%) to check if a number is divisible by 2

  • If the remainder is 0, then the number is even

  • Example: int num = 6; if(num % 2 == 0) { // num is even }

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Q9. 3. Swap numbers using bit operators

Ans.

Swapping numbers using bit operators.

  • Use XOR operator to swap two numbers without using a temporary variable

  • XORing a number with itself results in 0

  • Example: a = 5, b = 7. a ^= b; b ^= a; a ^= b; // a = 7, b = 5

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Q10. Print the various star patterns

Ans.

Various star patterns can be printed using loops and nested loops in Python.

  • Use nested loops to print different patterns of stars.

  • Patterns can include right triangle, left triangle, diamond, square, etc.

  • Adjust the number of rows and columns in the loops to create different patterns.

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Q11. 2. Toggle a bit

Ans.

Toggle a bit in a binary number

  • Convert the number to binary representation

  • Identify the bit position to toggle

  • Toggle the bit using bitwise XOR operator

  • Convert the modified binary number back to decimal

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Q12. what are access modifiers

Ans.

Access modifiers are keywords in C++ that control the visibility and accessibility of class members.

  • Access modifiers include public, private, and protected.

  • Public members are accessible from outside the class.

  • Private members are only accessible within the class.

  • Protected members are accessible within the class and its subclasses.

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Q13. 1. diff between acf pacf

Ans.

ACF measures the linear relationship between an observation and its lagged values. PACF measures the direct relationship.

  • ACF (Autocorrelation Function) measures the correlation between an observation and its lagged values.

  • PACF (Partial Autocorrelation Function) measures the correlation between an observation and its lagged values, while removing the indirect effects of intermediate lags.

  • ACF is used to identify the order of an AutoRegressive (AR) model.

  • PACF is used to identify...read more

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Q14. explain OOps in C++

Ans.

Object-oriented programming in C++ involves using classes and objects to organize code and data for better reusability and modularity.

  • Classes are user-defined data types that encapsulate data and functions that operate on that data.

  • Objects are instances of classes that hold data and can call member functions.

  • Inheritance allows classes to inherit properties and behaviors from other classes.

  • Polymorphism enables objects to be treated as instances of their parent class.

  • Encapsulat...read more

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