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oas Interview Questions and Answers
Updated 21 Feb 2026DevOps Engineer Interview Experience
Candidate: Emily Davis
Experience Level: Mid-level
Applied Via: Recruiter outreach
Difficulty: Hard
Final Result: Rejected
Interview Process
3 rounds
Questions Asked
- Explain CI/CD pipelines and tools you have used.
- How do you handle system outages?
- Describe your experience with cloud infrastructure.
- Write a script to automate deployment.
Advice
Gain hands-on experience with cloud platforms and scripting, and practice scenario-based questions.
Full Experience
A recruiter reached out to me on LinkedIn. The first round was a technical phone interview with questions about DevOps concepts. The second was a practical test involving scripting. The final round was a panel interview focusing on problem-solving and system design. Although I didn't get the offer, the experience was valuable.
UX Designer Interview Experience
Candidate: David Kim
Experience Level: Mid-level
Applied Via: Company career portal
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- Walk me through your design portfolio.
- How do you incorporate user feedback into your designs?
- Describe your experience with prototyping tools.
Advice
Prepare a strong portfolio and be ready to discuss your design decisions clearly.
Full Experience
I submitted my portfolio through the career portal. The first round was a phone interview focusing on my background and design process. The second was a practical design challenge. The final round was with the design team discussing culture fit and collaboration.
Product Manager Interview Experience
Candidate: Catherine Smith
Experience Level: Senior
Applied Via: LinkedIn
Difficulty: Hard
Final Result:
Interview Process
4 rounds
Questions Asked
- How do you prioritize features in a product roadmap?
- Describe a time you managed a conflict within your team.
- Explain how you measure product success.
- Design a product for remote team collaboration.
Advice
Have clear examples from your experience and be ready for case studies and behavioral questions.
Full Experience
The process was intense with multiple rounds including a case study presentation. The interviewers challenged my product decisions and asked for detailed explanations. The team was supportive and gave constructive feedback throughout.
Data Analyst Interview Experience
Candidate: Brian Lee
Experience Level: Entry-level
Applied Via: Referral
Difficulty:
Final Result: Rejected
Interview Process
2 rounds
Questions Asked
- How do you handle missing data in a dataset?
- Explain the difference between supervised and unsupervised learning.
- Describe a project where you used data visualization.
Advice
Brush up on statistical concepts and practice explaining your projects clearly.
Full Experience
I was referred by a friend and had two rounds of interviews. The first was a phone interview with basic questions about data analysis and tools like Excel and SQL. The second was a video interview with scenario-based questions. I felt I could have prepared better for the technical questions.
Software Engineer Interview Experience
Candidate: Alice Johnson
Experience Level: Mid-level
Applied Via: Online application through company website
Difficulty:
Final Result:
Interview Process
3 rounds
Questions Asked
- Explain the difference between REST and SOAP APIs.
- Write a function to reverse a linked list.
- Describe a challenging bug you fixed in your previous job.
Advice
Prepare well on data structures and algorithms, and be ready to discuss your past projects in detail.
Full Experience
I applied through the company website and was contacted within a week. The first round was a technical phone screen focusing on coding problems. The second round was an onsite interview with coding and system design questions. The final round was with the team lead focusing on behavioral questions and cultural fit. The interviewers were friendly and gave me time to think through problems.
Frequently Asked Questions in oas
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Common Interview Questions in oas
Q: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
Q: Suppose a newly-born pair of rabbits, one male, one female, are put in a field. Rabbits are able to mate at the age of one month so that at the end of its second month a female can produce another pair of rabbits. Suppose that our rabbits never die and that the female always produces one new pair (one male, one female) every month from the second month on.
Q: There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small all. The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. What is 'N' for the horizontal line from the centre of small wheel always is horizontal.
Q: There are 3 clans in an island - The Arcs who never lie, the Dons who always lie and the Slons who lie alternately with the truth. Once a tourist meets 2 guides who stress that the other is a Slon. They proceed on a tour and see a sports meet. The first guide says that the prizes have been won in the order Don, Arc, Slon. The other says that, the order is Slon, Don, Arc. (the order need not be exact). To which clan did each of the guides and the players belong? ...
Q: 3 policemen and 3 thieves had to cross a river using a small boat. Only two can use the boat for a trip. All the 3 policemen and only 1 thief knew to ride the boat. If 2 thieves and 1 policeman were left behind they would kill him. But none of them escaped from the policemen. How would they be able to cross the river?
Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: At 6?o a clock ticks 6 times.The time between first and last ticks is 30 seconds.How long does it tick at 12?o clock?2.A hotel has 10 storey. Which floor is above the floor below the floor, below the floor above the floor, below the floor above the fifth.
Q: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
Q: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
Q: There are 7 letters A,B,C,D,E,F,GAll are assigned some numbers from 1,2 to 7.B is in the middle if arranged as per the numbers.A is greater than G same as F is less than C.G comes earlier than E.Which is the fourth letter
Q: In a Park, N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song ? one pair immediately after the other. If the total time taken for singing is 28 minutes, what is N?
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: Given a collection of points P in the plane , a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P)....
Q: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
Q: In a country where everyone wants a boy, each family continues having babies till they have a boy. After some time, what is the proportion of boys to girls in the country? (Assuming probability of having a boy or a girl is the same)
Q: A person meets a train at a railway station coming daily at a particular time. One day he is late by 25 minutes, and he meets the train 5 k.m. before the station. If his speed is 12 kmph, what is the speed of the train.
Q: Joe started from Bombay towards Pune and her friend julie in opposite direction. they met at a point . distance traveled by joe was 1.8 miles more than that of julie.after spending some both started there way. joe reaches in 2 hours while julie in 3.5 hours.Assuming both were traveling with constant speed. What is the distance between the two cities.
Q: There are some chickens in a poultry. They are fed with corn. One sack of corn will come for 9 days. The farmer decides to sell some chickens and wanted to hold 12 chicken with him. He cuts the feed by 10% and sack of corn comes for 30...
