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Riverbed Technology Software Engineer Interview Questions, Process, and Tips
Riverbed Technology Software Engineer Interview Experiences
1 interview found
S Gaurav
I applied via campus placement at Indian Institute of Technology (IIT), Chennai and was interviewed in Dec 2016. There were 5 interview rounds.
Interview Questionnaire
9 Questions
- Q1. How will you rotate matrix by 90 degrees clockwise and anticlockwise?
- Ans.
To rotate a matrix by 90 degrees clockwise, transpose the matrix and then reverse each row. To rotate anticlockwise, reverse each row and then transpose.
Transpose the matrix by swapping elements at (i, j) with (j, i)
Reverse each row of the transposed matrix
To rotate anticlockwise, reverse each row of the original matrix and then transpose
- Q2. How will you compress images?(Told 3 methods)
- Ans.
There are three common methods to compress images: lossless compression, lossy compression, and resizing.
Lossless compression reduces file size without losing any image quality. Examples include PNG and GIF formats.
Lossy compression reduces file size by discarding some image data. Examples include JPEG format.
Resizing reduces file size by changing the dimensions of the image. It can be done manually or using image proc
- Q3. Identify most recent duplicate ? {"google","yahoo","yahoo","google"}-both google and yahoo are repeated but google is first return index 3
- Ans.
Identify the most recent duplicate in an array of strings.
Iterate through the array and keep track of the indices of each string using a hashmap.
If a string is already present in the hashmap, update its index.
After iterating through the array, find the string with the highest index in the hashmap.
- Q4. Two lines with 10 and 12 points, how many triangles possible?
- Ans.
There are 3 possible triangles that can be formed using the two lines.
To form a triangle, we need three points.
With two lines, we have a total of four points.
By choosing any three points, we can form a triangle.
Therefore, there are 3 possible triangles.
- Q5. Return the element k from a BST
- Ans.
The function should return the element k from a Binary Search Tree (BST).
Traverse the BST in-order and keep track of the current element
If the current element is equal to k, return it
If the current element is greater than k, move to the left subtree
If the current element is less than k, move to the right subtree
Repeat until the element is found or the entire tree is traversed
- Q6. If the element not present return the nearest element to it?
- Ans.
The question is asking for a solution to find the nearest element to a given element in an array.
Iterate through the array and calculate the absolute difference between each element and the given element.
Keep track of the minimum difference encountered and the corresponding element.
Return the element with the minimum difference as the nearest element.
- Q7. About Projects in detail
- Q8. Operating system basic like fork etc
- Q9. Networking basics-What happens if you enter gogle.com in browser?
Interview Preparation Tips
Experience: The questions were on basic datastructure, algorithm , networking and operating system
Tips: If GATE qualified then minimum effort required
Duration: 1 hour 30 minutes
Total Questions: 30
Skills: Coding Skills, Critical Thinking, Operating System Basics, Networking Basics
College Name: IIT Madras
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via campus placement at BRACT's Vishwakarma Institute of Information Technology, Pune and was interviewed in Oct 2024. There was 1 interview round.
(4 Questions)
- Q1. What is polymorphism
- Ans.
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
It enables a single interface to be used for different data types or classes.
Examples include method overloading and method overriding in object-oriented programming.
- Q2. Find missing number from nth number array.
- Ans.
Find missing number from nth number array.
Iterate through the array and calculate the sum of all numbers
Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2
Subtract the sum of array from the sum of numbers from 1 to n to find the missing number
- Q3. Explain inheritance and it types
- Ans.
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Inheritance allows a class to reuse code from another class.
Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.
Example: Class B inherits from Class A, so Class B can access
- Q4. Find 2nd max elements from aaray
- Ans.
Find 2nd max element from array of strings
Sort the array in descending order
Skip the first element (max element)
Return the second element
Skills evaluated in this interview
(1 Question)
- Q1. What is jdk, string related questions, basic java oops questions?
Dsa, oops, sql, data structures
(1 Question)
- Q1. Oops, data structures, sql ,dsa, programming
(1 Question)
- Q1. Opps problem solving, data structures
(1 Question)
- Q1. Project explaination
Some database questions,some java questions .
(3 Questions)
- Q1. What is the difference between javascript and jQuery.
- Ans.
JavaScript is a programming language used for web development, while jQuery is a library built with JavaScript to simplify HTML document traversal and manipulation.
JavaScript is a programming language, while jQuery is a library written in JavaScript.
JavaScript can be used for a wide range of tasks, while jQuery is mainly used for DOM manipulation and event handling.
JavaScript is a core technology for web development, w...
- Q2. Define different types of join
- Ans.
Different types of joins are used in SQL to combine rows from two or more tables based on a related column between them.
Inner Join: Returns rows when there is at least one match in both tables.
Left Join (or Left Outer Join): Returns all rows from the left table and the matched rows from the right table.
Right Join (or Right Outer Join): Returns all rows from the right table and the matched rows from the left table.
Full ...
- Q3. Define multithreading concept and exception handling.
- Ans.
Multithreading allows multiple threads to run concurrently, while exception handling deals with errors in a program.
Multithreading involves running multiple threads simultaneously to improve performance and responsiveness.
Threads share the same memory space but have their own program counter and registers.
Exception handling is a mechanism to handle errors or exceptional situations in a program.
It helps prevent the prog...
Skills evaluated in this interview
Software Engineer Interview Questions & Answers
Hyland Software Solutions India LLP
Anonymous
posted on 5 Aug 2024
I applied via Job Portal and was interviewed in Feb 2024. There were 3 interview rounds.
30 mins Aptitude Question
30 mins - 3 Coding Question
(2 Questions)
- Q1. Describe Rest API
- Ans.
Rest API is a set of rules and conventions for building and interacting with web services using HTTP methods.
Rest API stands for Representational State Transfer Application Programming Interface.
It uses standard HTTP methods like GET, POST, PUT, DELETE to perform CRUD operations.
RESTful APIs use URLs to access resources, and return data in JSON or XML format.
Stateless communication allows for scalability and flexibilit...
- Q2. What is various Response code. Diffenrence b/w 200 & 201, 400 & 403
- Ans.
Response codes indicate the status of a HTTP request. 200 & 201 are success codes, while 400 & 403 are client error codes.
200 - OK: Request was successful
201 - Created: Request was successful and a new resource was created
400 - Bad Request: The server cannot process the request due to a client error
403 - Forbidden: The server understood the request, but refuses to authorize it
Skills evaluated in this interview
Karan V
(2 Questions)
- Q1. Oops spring boot
- Q2. Java angular interview
Software Engineer Interview Questions & Answers
Lexmark International
Anonymous
posted on 24 Oct 2022
I applied via campus placement at Jadavpur University and was interviewed in Sep 2022. There were 4 interview rounds.
It had Coding (Leetcode Easy-Medium ) and Aptitude (Quant, Logical Reasoning, Data Interpretation and English)
(1 Question)
- Q1. Technical Round 1 - MongoDb queries, HTTP protocols, Sorting algorithms, 2 pointer approaches. I was asked about HTTP protocols and REST APIs because I had internship experience in those fields.
(1 Question)
- Q1. Managerial Round - Preference of hybrid or work from home, discussion on cloud technologies and simple discussion on sports.
Interview Preparation Tips
- Data Structures
- Algorithms
- Database management system
- OOPS
- REST API
- HTTP
Overall, it is one of the highest paying companies in Kolkata so keep an eye out for them,
(2 Questions)
- Q1. Python basics and modules
- Q2. Networking protocols basic networking
Sudhanshu Singh
Selected
I applied via Company Website and was interviewed before Aug 2023. There was 1 interview round.
30 min topic - Matching defination , statement and conculsions
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