Voxco Senior Engineer Interview Questions and Answers

Q1. What you did to learn new technology?
Ans. 
I keep myself updated by attending conferences, reading blogs, and taking online courses.
• Attend conferences and workshops to learn from experts

• Read blogs and articles to stay updated on latest trends

• Take online courses and tutorials to gain practical knowledge

• Experiment with new technology by building projects

• Collaborate with peers to learn from their experiences
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Stream related questions and aptitude test

GD was okay . Just need to put your views

Q1. What is working capital how will you calculate
Ans. 
Working capital is the difference between current assets and current liabilities, used to measure a company's liquidity.
• Working capital = Current Assets - Current Liabilities

• Current assets include cash, accounts receivable, and inventory

• Current liabilities include accounts payable and short-term debt

• Positive working capital indicates a company can meet its short-term obligations

• Negative working capital may indicate fin
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HR discussed the salary details

Q1. What was previous salary
Ans. 
I am not comfortable disclosing my previous salary.
• It is not appropriate to discuss previous salary in an interview setting.

• Focus on the value I can bring to the company in this role.

• Salary expectations can be discussed during the negotiation phase.
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Q2. What is expected salary
Ans. 
Salary expectations are based on experience, skills, location, and industry standards.
• Consider factors like years of experience, relevant skills, industry standards, and location when determining salary expectations.

• Research average salaries for Senior Test Engineers in your area to get an idea of the market rate.

• Be prepared to negotiate based on your qualifications and the company's budget.

• Provide a salary range rathe...read more
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Q1. Letter of Employment
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Q2. Contractual agreement Signature formalities
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DSA coding round.
Graph based question, dp question.

Q1. 1. design service to download big file
Ans. 
Design a service to download large files.
• Use a scalable architecture to handle large file downloads.

• Implement resumable downloads to handle network interruptions.

• Use parallel downloading to speed up the download process.

• Implement authentication and authorization to ensure security.

• Provide progress updates to the user during the download process.
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Q1. Java based questions Spring beans
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Q1. 1. Questions around projects : JWT, UserAuthentication etc
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Q2. 2. Write a code to find frequency of characters in a given string?
Ans. 
Code to find frequency of characters in a given string
• Use a hash table to store character frequencies

• Iterate through the string and update the hash table accordingly

• Print the hash table to display the character frequencies
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Q1. 1. Write a code to reverse a linked list?
Ans. 
Code to reverse a linked list
• Create three pointers: prev, curr, and next

• Initialize prev to null and curr to head

• Loop through the list and set next to curr's next node

• Set curr's next node to prev

• Move prev and curr one node ahead

• Return prev as the new head
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Q2. 2. Write a code to reverse linked list in size of K?
Ans. 
Code to reverse linked list in size of K
• Create a function that takes head of linked list and size K as input

• Traverse the linked list in groups of K nodes

• Reverse each group of K nodes using iterative or recursive approach

• Connect the reversed groups to form the final linked list

• Return the new head of the reversed linked list
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Q3. 3. Questions around project and design a database structure for comments system of quora?
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Q1. Basic HR round questions
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50 questions in 12mins

Q1. Basic DSA question in binary search and memoization
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Discussion about Basic Information

Q1. I was applying for CAD engineer so asking about CAD commands and telecommunications. Prepare with your skills.
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Q1. Discussion about Work experience, CTC, work Location.
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