RK Infosystems Interview Questions and Answers

Q1. Tell me about yourself?
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Q2. What is your skills?
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Q1. Tell me about selenium
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Selenium is a popular open-source automation testing tool used for web application testing.
• Selenium supports multiple programming languages such as Java, Python, C#, etc.

• It allows testers to write test scripts in a variety of formats like HTML, Java, C#, etc.

• Selenium can automate web browsers across different platforms like Windows, Mac, Linux, etc.
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Q2. Expalin java inheritance ana polymorphism
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Q3. WHich tool you have used
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I have used various tools such as Microsoft Excel, Google Analytics, and Adobe Photoshop.
• Microsoft Excel for data analysis and reporting

• Google Analytics for website traffic analysis

• Adobe Photoshop for graphic design
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Bunch of quant probability questions

Bunch of dp and graph theory

Basic aptitude questions like CAT level

Leetcode questions were there

Q1. Introduction , guesstimate , DSA question
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Q2. Puzzles
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Q1. How to run linear regression model in R
Ans. 
To run a linear regression model in R, use the lm() function with the formula specifying the relationship between variables.
• Use the lm() function to fit a linear regression model, specifying the formula with the dependent and independent variables.

• For example, to predict sales based on advertising spend, use lm(sales ~ advertising, data = dataset).

• Use summary() to view the results of the linear regression model, includ...read more
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Q2. How to run linear regression model without intercept in R
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To run linear regression model without intercept in R, set the intercept parameter to 0
• Set the intercept parameter to 0 in the lm() function in R

• Example: lm(y ~ x - 1, data = dataset) will fit a linear regression model without intercept
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Q1. Tell me about Yourself.
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Q2. Walk us through your role in the past organisation.
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Q1. Past working Experiences
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Q2. Educational Qualifications
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Q3. Awareness about the Indian Economy
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Q1. What is server ?
Ans. 
A server is a computer or software program that provides functionality for other programs or devices, often in a networked environment.
• A server stores and manages data, files, or applications that can be accessed by clients over a network.

• Servers can provide services such as email, web hosting, file sharing, and database management.

• Examples of servers include web servers like Apache or Nginx, email servers like Microso...read more
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Q2. What is wsus ?
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WSUS stands for Windows Server Update Services, a Microsoft tool for managing and distributing updates to Windows operating systems and other Microsoft software.
• WSUS is used by organizations to centrally manage and distribute updates to Windows operating systems and other Microsoft software.

• It allows administrators to approve or decline updates before they are deployed to client computers.

• WSUS can be used to automate t...read more
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Q3. What is fsmo role?
Ans. 
FSMO (Flexible Single Master Operations) roles are specialized Active Directory domain controller tasks.
• FSMO roles are used to manage and perform specific tasks within an Active Directory environment.

• There are five FSMO roles: Schema Master, Domain Naming Master, RID Master, PDC Emulator, and Infrastructure Master.

• Each FSMO role is responsible for a specific aspect of the Active Directory domain.

• For example, the PDC Em...read more
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Q4. What is dns ?
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DNS stands for Domain Name System, which translates domain names to IP addresses.
• DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).

• It helps users access websites by resolving domain names to their corresponding IP addresses.

• DNS servers store records of domain names and their associated IP addresses.

• DNS also helps with email delivery...read more
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Q5. What is dhcp ?
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DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that automatically assigns IP addresses to devices on a network.
• Automatically assigns IP addresses to devices on a network

• Helps in managing and organizing IP addresses efficiently

• Reduces the need for manual configuration of IP addresses

• Ensures that each device on the network has a unique IP address

• Commonly used in home networks, corporate net
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Q1. General Introduction & HR Experience
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