Apollo Computer Education 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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Q1. Estimate number of burgers sold by one burger Outlet in your city.
Ans. 
The number of burgers sold by a burger outlet in a city can vary based on factors like location, menu offerings, pricing, and customer demand.
• Consider the population of the city and the popularity of the outlet.

• Analyze the outlet's menu offerings and pricing compared to competitors.

• Take into account any special promotions or events that may impact sales.

• Look at historical sales data if available.

• Interview employees or
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Q1. Estimate transportation cost for raw materials.
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Transportation cost for raw materials can be estimated based on distance, mode of transportation, quantity, and current market rates.
• Consider the distance between the supplier and the manufacturing facility

• Take into account the mode of transportation (road, rail, sea, air)

• Calculate the quantity of raw materials being transported

• Research current market rates for transportation services

• Factor in any additional costs such
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Q1. Asked about past experience
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Q2. Some guesstimate question
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Bunch of quant probability questions

Bunch of dp and graph theory

Q1. How to decide upon Spark cluster sizing?
Ans. 
Spark cluster sizing depends on workload, data size, memory requirements, and processing speed.
• Consider the size of the data being processed

• Take into account the memory requirements of the Spark jobs

• Factor in the processing speed needed for the workload

• Scale the cluster based on the number of nodes and cores required

• Monitor performance and adjust cluster size as needed
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Q2. Question on Spark internals
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Implement a pipeline based on given conditions and data requirement

Q1. There were no questions as such. They want me join on very next day when the HR discussion was over and started itimidating me with aggressive approach even without discussing the salary part and the benef...read more
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Q1. Self introduction
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Q1. What is server ?
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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?
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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. Basics of oops concepts
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Q1. Basic string based programming test
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