Clario Senior Software Engineer Interview Questions and Answers

Q1. Windows internals
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Q2. Windows apis like loaddll dynamically
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Q3. IPC mechanism in windows
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IPC mechanism in Windows allows communication between processes through shared memory, message passing, and synchronization.
• IPC mechanisms in Windows include named pipes, mailslots, shared memory, and sockets.

• Named pipes allow communication between processes on the same machine or over a network.

• Mailslots are used for one-way interprocess communication.

• Shared memory allows processes to share data by mapping a region of...read more
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Q4. Multi-threading in windows
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Multi-threading in Windows allows multiple threads to run concurrently within a single process.
• Windows provides APIs like CreateThread and CreateProcess to create and manage threads.

• Threads share the same memory space within a process, allowing for efficient communication and resource sharing.

• Windows supports both user-mode and kernel-mode threads, with user-mode threads being more lightweight.

• Synchronization mechanism...read more
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Q5. C++ general questions
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Q1. Memory management
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Q2. Memory mapping in windows, file mapping
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Memory mapping in Windows allows files to be mapped directly into memory for faster access and manipulation.
• Memory mapping allows files to be accessed as if they were in memory

• File mapping can be used for sharing data between processes

• Improves performance by reducing disk I/O operations

• Examples: CreateFileMapping, MapViewOfFile, UnmapViewOfFile
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Q3. Windows internal
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Q4. Critical section in windows
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Critical section in Windows is a synchronization mechanism used to protect shared resources from concurrent access.
• Critical sections are used to ensure mutual exclusion between threads accessing shared resources.

• They are implemented using the Windows API functions InitializeCriticalSection, EnterCriticalSection, and LeaveCriticalSection.

• Critical sections are more efficient than mutexes for synchronization within a sing...read more
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Basic and advanced concepts of JavaScript / NodeJS covered.

Q1. Why are you looking for job change
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Looking for new challenges and growth opportunities in a dynamic work environment.
• Seeking opportunities for career advancement

• Interested in working on new technologies and projects

• Desire for a more collaborative team environment

• Looking for a company with a strong focus on innovation and development
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Q2. What are your salary expectations
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My salary expectations are in line with industry standards for a Senior Software Engineer with my level of experience.
• Research industry standards for Senior Software Engineer salaries in the local area

• Consider my years of experience, skills, and qualifications when determining salary expectations

• Be prepared to negotiate based on the overall compensation package offered
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Q1. 1. Is string a value type of reference type? 2. Big O - for loop, binary search, hash table lookup 3. Can you use object as a key in a dictionary? - answer is yes, using GetHashCode 4. Get 7th highest sal...read more
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Q2. Design a employee-Manager class. Write method to display employee organizational hierarchy like we see in Microsoft Teams Org tab
Ans. 
Design an employee-Manager class and write a method to display employee organizational hierarchy.
• Create an Employee class with attributes like name, id, managerId, etc.

• Create a Manager class that inherits from Employee class and has a list of employees under them.

• Write a method to display the hierarchy using recursion.

• Use a data structure like a dictionary to store the employees and their managers.

• Consider edge cases l
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Q3. Get 7th highest salary without CTE
Ans. 
Get 7th highest salary without CTE
• Use subquery to get distinct salaries

• Order the salaries in descending order

• Use LIMIT and OFFSET to get the 7th highest salary
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Q4. Delegates, significance of it in C#
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Delegates are a type-safe function pointers in C# used to encapsulate methods and pass them as arguments.
• Delegates allow for event-driven programming

• Delegates can be used to implement callbacks

• Delegates can be chained together to create a multicast delegate

• Delegates can be used to implement the observer pattern

• Delegates can be used to implement the command pattern
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Q1. 1. Solid principles 2. Design patterns 3. Background services .net core 4. .net core basics 5. Reverse a sentence along with a word
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Solution for a given problem by writing codes

Feasible check and fitment assessment