Vantage Integrated Security Solutions Interview Questions and Answers

Q1. Tell me About yourself?
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Q1. Why do you want to join SecureEyes?
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Q1. NodeJS event loop
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Q2. What isClosure explain with example
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A closure is a function that has access to its own scope, as well as the outer function's scope.
• Closure allows a function to access variables from its outer function even after the outer function has finished executing.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(outerVar); }; }

• When innerFunction is called, it can still access outerVar even though outerF
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Aptitude test covering all technical questions

Q1. Profile related technical
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Q1. Salary negotiation and policy brief
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Q2. Salary negotiation and policy brief given
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Q1. Threads vs process
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Threads are lightweight processes within a single process, sharing memory space, while processes are independent instances of a program with their own memory space.
• Threads share memory space within a process, allowing for efficient communication and data sharing.

• Processes have their own memory space, making them more isolated and secure.

• Threads are faster to create and switch between compared to processes.

• Processes are...read more
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Q2. Thread synchronization program using semaphore/mutex
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Thread synchronization using semaphore/mutex in programming
• Use semaphores to control access to shared resources among multiple threads

• Mutex can be used to ensure only one thread can access a resource at a time

• Implement a program where threads wait for a semaphore signal before accessing a shared resource
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