Archwell Operations Data Analyst Interview Questions and Answers

Q1. What is Virtualization
Ans. 
Virtualization is the creation of a virtual version of something, such as an operating system, a server, a storage device, or network resources.
• Virtualization allows multiple operating systems to run on a single physical machine

• It enables better utilization of hardware resources

• Examples include VMware, Hyper-V, and VirtualBox
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Q2. What is hypervisorsss
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A hypervisor is a software that creates and manages virtual machines on a physical server.
• It allows multiple operating systems to run on a single physical machine

• It provides isolation and security between virtual machines

• Examples include VMware, Hyper-V, and KVM
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Q1. Normal basic questions
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Q1. What is difference between bonds and equity
Ans. 
Bonds are debt instruments issued by companies or governments, while equity represents ownership in a company.
• Bonds are loans made by investors to companies or governments, who promise to repay the principal amount with interest.

• Equity represents ownership in a company and gives shareholders the right to vote on company matters and receive a share of profits.

• Bonds have a fixed maturity date, while equity has no maturit...read more
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Q1. What is your strength and weekness
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Q1. What experience do you have in this role?
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Q2. What tools or technologies are you comfortable using?
Ans. 
I am proficient in various data analysis tools, including Excel, SQL, Python, and visualization software like Tableau.
• Excel: Advanced functions, pivot tables, and data visualization.

• SQL: Writing complex queries for data extraction and manipulation.

• Python: Utilizing libraries like Pandas and NumPy for data analysis.

• Tableau: Creating interactive dashboards for data visualization.

• R: Statistical analysis and data visualiza
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Q1. What is the pivot table in Excel
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A pivot table in Excel is a data summarization tool that allows you to reorganize and summarize selected columns and rows of data.
• Allows users to summarize and analyze large datasets

• Can easily reorganize data by dragging and dropping fields

• Provides options to calculate sums, averages, counts, etc. for data

• Helps in creating interactive reports and charts

• Useful for identifying trends and patterns in data
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Q2. A pivot table is used to summarize...........etc.
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Based on my CV, they assigned me a task related to data migration.

Q1. Project reviews
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Q2. Attendance regarding
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