Arcadia Consulting Services Junior Software Engineer Interview Questions and Answers

Q1. Tell me about yourself
Ans. 
I am a dedicated and detail-oriented Junior Engineer with a passion for problem-solving and continuous learning.
• Graduated with a degree in Engineering from XYZ University

• Completed internships at ABC Company, gaining hands-on experience in project management

• Proficient in CAD software and technical drawing
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Q2. Diagram of water treatment
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Water treatment involves a series of processes to remove impurities and make water safe for consumption.
• Water treatment typically involves processes such as coagulation, sedimentation, filtration, and disinfection.

• Coagulation involves adding chemicals to water to make particles clump together for easier removal.

• Sedimentation allows the larger particles to settle at the bottom of a tank.

• Filtration involves passing water...read more
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Q1. Personal details
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Q2. Why you want to join
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I want to join because I am passionate about engineering and eager to learn and grow in a dynamic environment.
• Passionate about engineering

• Eager to learn and grow

• Excited about working in a dynamic environment
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Q1. Accounting journal entries Advance outstanding rent Capital and drawing
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Q1. Excel Vlookup Add sum with $
Ans. 
Vlookup is used in Excel to search for a value in a table and return a corresponding value. Adding sum with $ refers to using absolute references in formulas.
• Vlookup function searches for a value in the first column of a table and returns a value in the same row from a specified column.

• To add sum with $ in Excel, use absolute references by adding $ before the column letter and row number in a formula.

• Example: =VLOOKUP(...read more
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There were 2 DSA questions that we had to solve on HackerRank. One of them was a medium dynamic programming question - minimum insertions required to make a string palindrome. The other was a fairly easy question that required knowledge of permutations and combinations. We just had to figure out a maths formula given the situation.
1st round also involved a logical game that we had to play. We were scored based on coding + game and shortlisted for next round.

An interviewer joined me on zoom meet and sent a HackerRank link to a question. It was a medium dynamic programming/backtracking question. I solved it but only half the test cases ran while others threw TLE as my recursive code took exponential time.

Q1. Explain what happens after you search a url on your browser. (Had to explain the whole DNS working)
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Q2. Explain how video calling works. (Had to explain the whole OSI model)
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Q3. Asked possible causes of ClassNotFoundException and MemoryOutOfBoundException
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Q4. Asked 2 or 3 case study questions like designing a car infotainment system.
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Q5. Asked about the usefulness of OOPS.
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Q6. Asked how Java code compiles/runs(had to explain about creation of class file, JVM etc)
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Q7. Asked about working of https.
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Q1. Explain few challenges that you faced during a project/internship.
Ans. 
During my internship, I faced challenges related to communication, time management, and technical skills.
• Communication challenges: Difficulty in effectively conveying ideas and understanding instructions.

• Time management challenges: Struggling to prioritize tasks and meet deadlines.

• Technical skills challenges: Learning new technologies and troubleshooting issues.

• Example for communication challenge: Working in a team whe...read more
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Q2. Where do you see yourself in 5 years?
Ans. 
In 5 years, I see myself as a Senior Engineer, leading a team and working on complex projects.
• I envision myself taking on more responsibilities and leading a team of engineers.

• I hope to have gained expertise in my field and be recognized as a subject matter expert.

• I aim to work on challenging projects that require problem-solving and innovation.

• I plan to continue learning and staying updated with the latest technologie...read more
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Q3. Explain a project that you did
Ans. 
Developed a mobile app for tracking daily water intake
• Used React Native framework for cross-platform development

• Implemented a user-friendly interface with intuitive design

• Integrated a database to store and retrieve user data

• Implemented push notifications to remind users to drink water

• Conducted testing and debugging to ensure app functionality
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Q4. Tell me about a conflict that you may have faced during a project/internship
Ans. 
During my internship, I faced a conflict regarding the allocation of resources for a project.
• Conflict arose when team members disagreed on the distribution of resources.

• I suggested a fair and balanced approach to allocate resources based on individual strengths and project requirements.

• We held a team meeting to discuss and resolve the conflict.

• Through open communication and compromise, we reached a consensus on resourc...read more
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Basic aptitude test consisting questions of Logical reasoning, quant, and English

Q1. Guesstimate - How many red cars are purchased in Delhi?
Ans. 
It is estimated that around 20% of cars in Delhi are red, so approximately 1 out of every 5 cars is red.
• Consider the total number of cars in Delhi

• Estimate the percentage of cars that are red

• Calculate the number of red cars based on the percentage
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Q1. Guesstimate - Size of mattresses market in Delhi?
Ans. 
The size of the mattresses market in Delhi can be estimated by considering the population, average household size, and consumer preferences.
• Consider the population of Delhi and the average household size to estimate the number of households in need of mattresses

• Research the average spending on mattresses per household in Delhi

• Take into account the various types of mattresses available in the market and their respective...read more
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Q1. Strengths and weakness
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Q2. Relocation? How would you manage travel?
Ans. 
I am open to relocation and willing to manage travel efficiently.
• I am flexible and willing to relocate for the right opportunity.

• I will plan ahead and research the best travel options available.

• I am comfortable with long commutes or temporary accommodations if needed.
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Contained only mcq questions related to maths and reasoning

Q1. How to detect two loops in a linkedlist
Ans. 
Use Floyd's Cycle Detection Algorithm to detect two loops in a linked list.
• Initialize two pointers, slow and fast, both starting at the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps in each iteration.

• If they meet at some point, there is a loop. Reset one pointer to head and move both by one step until they meet again to find the start of the loop.
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Q2. Mainly all the basics questions on DSA and C++ Language and all the ds like stacks, linkedlist, tree, array, queue,map difference between queue and stack
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Q1. Questions on project
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Q2. Code simple que like reverse the string in every possible language that is mentioned on yor resume ,like node js react or python and even c language
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Q3. Basics questions of os like deadlocks
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Q1. I was note selected for this round
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