Viztar International Interview Questions, Process, and Tips

Q1. What is difference between authentication and authorisation
Ans. 
Authentication verifies the identity of a user, while authorization determines what a user can access.
• Authentication confirms the user's identity through credentials like username and password

• Authorization determines the user's permissions and access levels to resources

• Authentication precedes authorization in the security process

• Example: Logging into a system (authentication) vs. accessing specific files or data within
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Give a form with validation

Q1. Can you provide some information about yourself?
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Q1. Asked about the gist of resume and working experience
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Q2. Asked about the tools they use and if I've working knowledge of those tools.
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Q1. Why do one wanna join the company?
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Q2. If i'm availabe for three months and what day to day activity would look like.
Ans. 
As a data analyst for three months, I would be responsible for analyzing data, creating reports, and presenting insights to stakeholders.
• Analyze data to identify trends and patterns

• Create reports and visualizations to communicate insights

• Collaborate with stakeholders to understand their needs and provide recommendations

• Use statistical tools and techniques to validate findings

• Continuously monitor and improve data qualit...read more
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Check For Balanced Bracket in an expression using stack(space and Time complexity)
Longest Increasing Subsequence(space and time complexity)

Sql, CN, OS

0-1 Knapsack Problem
Word Break Problem

Aptitude and logical Based Question

Schema design for online delivery system

Sql, CN, OS

Q1. Project Discussion,Current Technology , Blockchain and Cryptocurrencies
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Q2. Managerial Questions
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