Trellix Interview Questions, Process, and Tips

Q1. N/A, were general interest questions.
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There was a panel of 4 team members. They asked multiple general knowledge questions regarding programming, linux usage/fundementals, bash scripting, Rest APIs (Flask), etc.

Logical reasoning, english test

Q1. Implement binary search tree?
Ans. 
Binary search tree is a data structure where each node has at most two children, with left child less than parent and right child greater.
• Create a Node class with data, left child, and right child attributes.

• Implement insert method to add nodes in correct position based on value.

• Implement search method to find a specific value in the tree.

• Implement delete method to remove a node from the tree while maintaining the bina
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Q2. Find middle element of a linked list?
Ans. 
To find the middle element of a linked list, use the slow and fast pointer approach.
• Initialize two pointers, slow and fast, both pointing to the head of the linked list.

• Move the slow pointer by one step and the fast pointer by two steps until the fast pointer reaches the end of the list.

• The element pointed to by the slow pointer at this point will be the middle element of the linked list.
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Q1. Explain difference between load and stress testing
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Q2. What are different types of oops concepts used in your project
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Q1. Write singleton design pattern Find vowels from a string and its indexes
Ans. 
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
• Create a private static instance of the class

• Provide a public static method to access the instance

• Ensure the constructor is private to prevent instantiation
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Logical reasoning questions

Q1. Linked list implementation
Ans. 
Linked list is a data structure where each element points to the next element in the sequence.
• Nodes contain data and a reference to the next node

• Insertion and deletion can be done efficiently

• Traversal starts from the head node
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Q2. Insert and delete in linked list
Ans. 
Inserting and deleting nodes in a linked list involves updating pointers to maintain the list's structure.
• To insert a node, update the next pointer of the new node to point to the current node's next, then update the current node's next pointer to the new node.

• To delete a node, update the next pointer of the previous node to skip over the node to be deleted, then free the memory of the deleted node.
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Q1. Find middle element in linked list
Ans. 
Traverse the linked list with two pointers, one moving twice as fast as the other.
• Initialize two pointers, slow and fast, at the head of the linked list.

• Move slow pointer by one node and fast pointer by two nodes until fast pointer reaches the end.

• The node pointed to by slow pointer at this point is the middle element.
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Q2. Reverse a n digit number
Ans. 
Reverse a n digit number
• Convert the number to a string to easily reverse it

• Iterate through the string in reverse order and append each character to a new string

• Convert the reversed string back to a number
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Aptitude Test happened on e-litmus platform . It was a pH Test and average to hard level aptitude questions were asked with negative marking and less time. Advice - Be well aware of the pH test pattern and practice some sample questions.

Round 2 was a coding round . 2 coding questions were asked , time given was 1 hour and the difficulty level was easy-average. If you know DSA , then they will appear to you as very easy .

Q1. 1st Technical Interview. Interviewer was at SDE-2 level and in the beginning asked about me and a few basic questions on computer basics . A few OS fundamentals were asked , questions from networking like...read more
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Q1. A senior Engineering manager took the interview this round. He had nearly 15 years experience and seemed to be well versed and had a vast knowledge. Some basic questions on DSA , recursion were asked. Firs...read more
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Q1. Tell me about Yourself
Ans. 
I am a software engineer with experience in developing and maintaining software applications.
• I have a strong background in programming languages such as Java, C++, and Python.

• I have worked on various projects, including developing web applications and implementing software solutions.

• I am skilled in problem-solving and debugging, ensuring efficient and reliable software performance.

• I am familiar with agile development m...read more
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Q2. How were the technical rounds and online assessment
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Q3. Tell me about members of the family
Ans. 
Members of the family are individuals related by blood or marriage.
• Family members can include parents, siblings, children, and extended relatives.

• Each family member has a unique role and relationship within the family.

• Examples of family members include a mother, father, sister, brother, son, daughter, aunt, uncle, etc.
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Q4. Willing to relocate?
Ans. 
Yes, I am willing to relocate.
• I am open to moving to a new location for the right opportunity.

• I am flexible and adaptable to new environments.

• I have previous experience relocating for work.

• I am excited about the possibility of exploring a new city or country.
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