Round 1: Written Test
15 MCQs along with 2 coding questions. MCQs were based on topics like Computer Networks(related to HTTP error handling) and aptitude-based questions.
Coding question 1: Expressive Words problem
Coding question 2: A string of numbers in random order is given and you have to print them in decimal format is strictly decreasing order
Round 2: Technical Round
- Tell me about yourself.
- Give me an overview of all the projects mentioned in your resume. Explain to any one of them, which technologies you used. What is the data structure you implemented in it?
- Explain the approach and Code (Just the required functions) on any text editor: Add 1 to a number represented in the linked list and return the updated linked list. I have explained the 2 approaches and also written the functions.
- Given a set of characters, generate its power set. E.g. for set {a,b,c} : powerset will be: [ {}, {a},{b},{c},{a,b},{b,c},{a,c},{a,b,c} ]. Initially stuck for some strings, but after hint, I covered the logic. One logic was by using recursion. Another logic is the Binary. e.g 0 1 1 means {b,c}.
- Approach to implement LRU cache
- Explain All the OOPS concepts. Some Language-based questions like What are the types of constructors in C++ (My preferred language)
- From OS, what are semaphores, deadlock, and its conditions?
- Solve the hourglass puzzle.I will suggest going through all these puzzles.
Round 3: Managerial Round
This round mostly revolved around my projects, he asked the questions like the challenges you and your team faced, how did you resolve them, Have you had done testing on the project, what are the testing methods you have applied. This round was 35-40mins long.
Round 4: Director Round
- Similar project-related questions he asked. My elective was Object Oriented Analysis And Design (OOAD), So he asked questions on the Singleton Design pattern with an example.
- What is SAAS(Software As A Service), microservice (these are based on my web development project). What languages have you used in the backend?
- Explain router, switches, routing protocols.
- In which field/domain you are interested to work in and why? Where do you see yourself in the next few years?
Round 5: HR Round
It was just a 5 minutes round. Why cisco? Information regarding location preference, Any plans for further studies, Internship availability was asked.
Verdict: Selected