Allstate Software Engineer Interview Questions and Answers

There were 5 sections which included one coding question, MCQs and one question on SQL

Q1. Introduce yourself
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Q2. Two sum coding question with time and space complexity
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Q3. Strong manipulation question with time and space complexity
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Q4. What is a process and thread? (OS)
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A process is an instance of a program running on a computer, while a thread is a unit of execution within a process.
• A process has its own memory space, while threads within the same process share memory.

• Processes are independent of each other, while threads within the same process can communicate with each other more easily.

• Processes are heavyweight in terms of resource consumption, while threads are lightweight.

• Exampl...read more
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Q5. OOPS based questions on polymorphism and the others
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Q6. Why is the lid of the manhole round and not any other shape?
Ans. 
A round manhole lid cannot fall through the opening it covers, unlike other shapes.
• Round shape is the only shape that cannot fall through its own opening

• Round shape is easier to move and position compared to other shapes

• Round shape is more structurally sound and can support heavy loads evenly
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Q1. Introduce yourself
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Q2. OSI model and what are the ones that are used particularly while real software development process takes place
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The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
• The OSI model consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• In real software development, layers commonly used are the Application layer, Transport layer, and sometimes the Network layer.

• For example, when developing a web applica...read more
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Q3. Favourite subject asked and questions were asked based on that.
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Q4. Will I be able to work on multiple tech stacks?
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Q1. Self introduction
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Q2. If I'm holding any other offers
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Q3. Professional background of my parents
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General SQL Questions.

Q1. Salary Negotiation.
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