McAfee Software Engineer Interview Questions and Answers

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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Dataweave logic questions

Q1. Basic HR questions
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Q2. Prepare basic interview answers
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Logical reasoning And aptitude test

C++, python and Java programming

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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Easy problem on java

Q1. Technical discussion
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Q1. Asked to design airport tracking system
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Q2. Basic OOPs concepts questions
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Q1. High level OOPs concept questions and was asked to write psuedo code for a problem
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Q2. Asked about Djikstras algo and was asked psuedo code for it
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Q1. Basic HR questions, very chill
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Basic 10th standard level aptitude problem

Basic very easy level questions

Q1. Thorough with the basic knowledge of CS fundamentals
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Q2. 1. coding question - count the frequency of all chars in a word. 2. ACID properties. 3. swap 2 numbers without using any extra variable.
Ans. 
Count frequency of characters in a word, explain ACID properties, swap 2 numbers without extra variable.
• To count frequency of characters in a word, create a hashmap to store character counts.

• ACID properties in database: Atomicity, Consistency, Isolation, Durability.

• To swap 2 numbers without extra variable, use XOR operation: a = a ^ b, b = a ^ b, a = a ^ b.

• Example: word = 'hello', frequency = {'h': 1, 'e': 1, 'l': 2, '
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Q3. What will be your first step if client reports any issue
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My first step would be to gather more information about the issue from the client.
• Ask the client to provide specific details about the issue such as when it occurred, what actions were taken before the issue occurred, and any error messages received.

• Try to replicate the issue on a test environment to understand the root cause.

• Communicate with the client to keep them updated on the progress and potential solutions.

• Prior...read more
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Q4. Try to reproduce the issue
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