Rambus Interview Questions and Answers

Q1. Tell me about yourself.
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Q2. What are your strengths and weaknesses?
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I am to good for any type of work doing

Q1. How do you perform keyword research?
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Q2. What are ITSM and its processes?
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Q1. Have you ever worked on a project with tight deadlines? How did you manage?
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Q2. Describe a time when you faced a challenging situation. How did you handle it?
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Question: Write a function to sort an array of integers in ascending order without using the built-in sort() function.

javascript
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function customSort(arr) {
// Your code here
}
console.log(customSort([5, 3, 8, 1])); // Output: [1, 3, 5, 8]

Operational Efficiency: Automating workflows in ServiceNow should reduce processing time for customer queries and loan applications by 50%.
Increased Visibility: SEO and SEM strategies should increase the bank’s website traffic by 30% within 3 months.
Improved Customer Experience: A modern portal with faster support options will increase customer satisfaction ratings.

A report/document explaining the solutions for the above tasks.
A code file for the HTML/CSS/JavaScript task.
Screenshots or diagrams (if applicable) for ServiceNow workflows.

Data Interpretation
Study the following data and answer the question:

Year Revenue (₹) Profit (₹)
2020 10,000 2,000
2021 12,000 3,000
2022 15,000 4,000Question:
What is the average profit percentage over the three years?

Options:
A) 20%
B) 25%
C) 22%
D) 27%

Q1. Basic OOP questions
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Q1. Create Employees and Salary Database design and schema, use your own table creations columns
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Q2. Query Employee with 2nd top highest salary
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Q1. They were looking for a person with expertise in maven, so initial questions were targeted towards maven and dependencies.
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Q2. Find the equilibrium number was asked for DSA
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Q3. Implement a singleton patter
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Q4. Java based questions
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Q1. What lessons have you learned from your experiences in your previous company?
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Q1. What are the different types of financial derivatives?
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Q2. What are corporate actions and what are their various types?
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Q1. SQL question to return the shortest duration of flight to travel from NY to HND
Ans. 
Use SQL query to find shortest flight duration from NY to HND
• Use SQL query with MIN function to find shortest duration

• Filter flights from NY to HND using WHERE clause

• Calculate duration by subtracting arrival time from departure time
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Q2. Pyspark question to read data from a CSV file
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Q3. There was no question 3
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Q1. Mostly discussions on Projects at my current company, Design choices and spark related concepts used for optimisations.
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Q2. SQL question to test syntax knowledge
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Q3. HRM typical questions like: Why join Grab?
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Q1. What is technical
Ans. 
"Technical" refers to the specialized knowledge, skills, and expertise required to design, develop, implement, and maintain systems, products, or processes. It encompasses various aspects, include.
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Q2. Technical is Working
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Q3. Technical related questions
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Q4. What is technology
Ans. 
Technology is the application of scientific knowledge for practical purposes, often involving tools and systems to improve efficiency and solve problems.
• Technology encompasses a wide range of tools, systems, and processes designed to improve efficiency and solve problems.

• It involves the application of scientific knowledge to practical purposes.

• Examples of technology include computers, smartphones, software, and machine...read more
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Q5. What is technical part
Ans. 
The technical part refers to the specific skills, knowledge, and expertise required for a particular job or task.
• Includes understanding of relevant laws, regulations, and policies

• Involves proficiency in HR software and systems

• Requires knowledge of employee relations best practices

• May involve conducting investigations and resolving conflicts

• Includes analyzing data and trends to inform decision-making
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Q1. Variation of sort 0,1,2
Ans. 
The question is asking for a variation of sorting an array containing 0s, 1s, and 2s.
• Use a three-way partitioning algorithm to sort the array in a single pass.

• Keep track of three pointers - low, mid, and high to partition the array.

• Example: Input array = [0, 1, 2, 1, 0], Output array = [0, 0, 1, 1, 2]
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Q2. Longest palindromic substring
Ans. 
A palindromic substring is a string that reads the same forwards and backwards.
• Use dynamic programming to find the longest palindromic substring.

• Start by considering each character as the center of a potential palindrome.

• Expand outwards from each center to check for palindromic substrings.

• Keep track of the longest palindrome found so far.

• Example: Input 'babad', Output 'bab' or 'aba'.
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Q3. Core qns (DBMS+OS+OOPS+CN)+ high level of project
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Q1. Deep dive discussion on projects(No DSA qns)
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Q2. Asking why you used only that techstack on project ,what are your difficulties on project and who advised you to use that techstack
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Q1. Minimum Knight Moves (LC Medium)
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Q2. OS, CN, DB concepts like multithreading, semaphore, tcp vs udp, transaction and ACId properties. Java concepts like stack vs heap(memory), error vs exception. Any 1 Project discussion for 10 mins
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