CyberArk Software Development Engineer Test Interview Questions and Answers

Easy problem on java

Q1. Technical discussion
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Q1. Threading: Write and use a mutex?
Ans. 
A mutex is a synchronization primitive that ensures only one thread can access a resource at a time.
• Create a mutex object using the appropriate library or language-specific function.

• Lock the mutex before accessing the shared resource to prevent other threads from accessing it.

• Unlock the mutex after finishing the operation on the shared resource to allow other threads to access it.

• Example: pthread_mutex_t mutex; pthread...read more
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Q2. Find the memory leak in a given set of code.
Ans. 
Identify memory leak in code
• Check for any dynamically allocated memory that is not being freed

• Look for any infinite loops or recursive functions that consume memory

• Use memory profiling tools like Valgrind to detect leaks

• Check for any global variables that are not properly managed
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Logical reasoning And aptitude test

C++, python and Java programming

Q1. Experience discussions
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Pair programming with engineer

Q1. Kubernetes practical applications
Ans. 
Kubernetes is used for container orchestration, scaling, and management in cloud-native applications.
• Automating deployment, scaling, and management of containerized applications

• Ensuring high availability and fault tolerance

• Facilitating easy scaling of applications based on demand

• Managing updates and rollbacks seamlessly

• Supporting multi-cloud deployments

• Example: Running microservices architecture on Kubernetes for a sca
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Q1. Array related questions
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Q2. OOPS Concept like multithreading
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Some advanced linked list questions

Q1. Find starting point in a graph
Ans. 
To find starting point in a graph, perform a topological sort and return the first node with no incoming edges.
• Perform a topological sort on the graph

• Return the first node with no incoming edges as the starting point

• If there are multiple nodes with no incoming edges, choose any one as the starting point
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2 Coding Questions (C++, Python, Java any one programming language), 1 scripting question, 12 MCQ on DBMS, Code Outputs, etc.

Q1. Detailed questions asked on the project mentioned in the resume and 1 puzzle.
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