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Riverbed Technology Interview Questions and Answers
7 Interview questions
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.
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.
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.
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
Entering gogle.com triggers DNS lookup, establishes a connection, and retrieves the website content for display.
1. DNS Lookup: The browser queries a DNS server to resolve 'gogle.com' to an IP address.
2. TCP Connection: A TCP connection is established with the server using the resolved IP address.
3. HTTP Request: The browser sends an HTTP GET request to the server for the webpage.
4. Server Response: The server proc...
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...
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
Riverbed Technology Interview Experiences
4 interviews found
S Gaurav
I applied via Campus Placement 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?
- Ans.
Entering gogle.com triggers DNS lookup, establishes a connection, and retrieves the website content for display.
1. DNS Lookup: The browser queries a DNS server to resolve 'gogle.com' to an IP address.
2. TCP Connection: A TCP connection is established with the server using the resolved IP address.
3. HTTP Request: The browser sends an HTTP GET request to the server for the webpage.
4. Server Response: The server processes...
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
Selected
I applied via Approached by Company and was interviewed before Oct 2023. There were 3 interview rounds.
(1 Question)
- Q1. Basics of C on pointers and strings
(1 Question)
- Q1. Leetcode easy/medium question
(1 Question)
- Q1. Behavioral round with Manager and Director
Selected
I appeared for an interview before Mar 2024, where I was asked the following questions.
- Q1. TCP/ip stack related
- Q2. Slowness troubleshooting, IPsec etc
Utkarsh gupta
Interview Preparation Tips
Experience: First round technical and basic aptitude test 52 students attended. Second round was coding round, 2 problems were given on basic Data Structures 25 students were shortlisted for this round out of which 9 were called for interview rounds.
Round: Technical Interview
Experience: Next was 4 round of interviews (3 technical + HR round). All 4 interviews were conducted for each student and finally 2 got selected. In interview Deep understanding of networking concepts were tested with some basic data structure, unix, Operating System and oops concepts
General Tips: Be confident and be to yourself.
Interviewers were very relaxed and cool, so same is expected from you, you will be given proper time to answer
Skill Tips: Karumanchi, rs agarwal, tanenbaum for networking.
Skills:
College Name: NIT Surathkal
Top trending discussions
Interview questions from similar companies
Varun Kasliwal
Interview Questionnaire
2 Questions
- Q1. Questions from C, Data structure, OS,Database
- Q2. Technical + HR
Interview Preparation Tips
Experience: This round was simple.
It consist of 5 sections ..1.Aptitude (10 questions). 2.Operating System Basics and Unix Commands(16 questions) 3.Data Structure(9 questions) 4.Output C Questions(6 questions) 5.Programming questions out of 4 any 2 you can do.(2 questions from data structure and 2 from sorting)
Tips: If you know the basics of all these topics then you can easily clear this round.Try to score as more marks as possible because this score counts in the next round too.
Round: Technical Interview
Experience: Moderate
Tips: Be confident and don't get panic.If you don't know anything simply say no don't waste time.
Round: Technical Interview
Experience: Moderate
Skill Tips: Be Confident and keep calm.You must have the complete knowledge of the projects which you have written in your resume.
Skills: C, Data Structure, os, Database
College Name: VIT VELLORE
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
- 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
Software Developer Interview Questions & Answers
Clearwater Analytics
Anonymous
posted on 15 Sep 2021
I appeared for an interview in Dec 2020.
(1 Question)
Round duration - 90 minutes
Round difficulty - Medium
Total of 8 questions:
4 MCQ(oops and expected output type questions) + other 2 were coding questions, out of which one is some class implementation question.
- Q1.
Count Subarrays with Sum Divisible by K
Given an array
ARRand an integerK, your task is to count all subarrays whose sum is divisible by the given integerK.Input:
The first line of input contains an... - Ans.
Count subarrays with sum divisible by K in an array.
Iterate through the array and keep track of the running sum modulo K.
Use a hashmap to store the frequency of remainders.
For each prefix sum, check how many previous prefix sums have the same remainder.
Return the total count of subarrays with sum divisible by K.
(2 Questions)
Round duration - 60 minutes
Round difficulty - Easy
This round was with the USA team, the panel consisted of 2 members. It took place at around 9 PM IST. The interviewer's focus was on approach.
- Q1.
Sort an Array in Wave Form
You are given an unsorted array
ARR. Your task is to sort it so that it forms a wave-like array.Input:
The first line contains an integer 'T', the number of test cases.
For ea... - Ans.
Sort an array in a wave-like pattern where each element is greater than or equal to its adjacent elements.
Iterate through the array and swap elements at even indices with their adjacent odd indices to form a wave pattern.
There can be multiple valid wave arrays, so any valid wave array is acceptable.
Ensure the first element is greater than or equal to the second element to start the wave pattern.
- Q2.
Convert a Number to Words
Given an integer number
num, your task is to convert 'num' into its corresponding word representation.Input:
The first line of input contains an integer ‘T’ denoting the number o... - Ans.
Convert a given integer number into its corresponding word representation.
Implement a function that takes an integer as input and returns the word representation of that number.
Break down the number into its individual digits and convert each digit into its word form.
Handle special cases like numbers between 10 and 19, and multiples of 10.
Combine the word forms of individual digits to form the final word representation...
(1 Question)
Round duration - 40 minutes
Round difficulty - Easy
It was a managerial round. The position of the person taking the interview was of a technical architect. As was informed by the recruiter, previously he was a technical architect at Amazon.
- Q1. How does Facebook store comments in its database?
- Ans.
Facebook stores comments in its database using a combination of relational and non-relational databases.
Comments are typically stored in a relational database like MySQL for structured data storage.
For scalability and performance, Facebook may also use a NoSQL database like Cassandra or HBase for storing comments in a denormalized format.
Metadata related to comments such as likes, timestamps, and user information may b...
Interview Preparation Tips
Tip 1 : Practice the most frequent and most common questions DSA questions asked in companies like Amazon, Microsoft.
Tip 2 : Focus on solving the questions on your own as much as you can.
Tip 3 : Don't waste your time on the number of questions while compromising quality.
Tip 4 : Do mock interviews with your friend if it's been a long since you have given the interview.
Tip 5 : For virtual interviews, always have a backup of data(you may use mobile data if Wi-Fi goes out). While during an interview try to maintain eye contact every now and then.
Tip 6 : Keep your resume short to 1 page and have far/good knowledge of the tech stack you have mentioned
Tip 1 : Keep it short to 1 page
Tip 2 : Prepare it well.
Tip 3 : Focus more on the problem and the solution. Rather than tools used to solve the problem
Skills evaluated in this interview
I appeared for an interview before Sep 2021.
(2 Questions)
- Q1. Reference from whom ?
- Q2. How much experience do you have ?
Interview Preparation Tips
Senior Software Engineer Interview Questions & Answers
Tangoe
akanksha varshney
posted on 2 Sep 2024
Selected
I applied via Job Portal and was interviewed in May 2024. There were 2 interview rounds.
(1 Question)
- Q1. Related to awk language
(1 Question)
- Q1. Related to awk language
I applied via Naukri.com and was interviewed before May 2021. There were 4 interview rounds.
(1 Question)
- Q1. 1st Round was good , was taken by Lead . Most of the questions on Hibernate and relational mapping with example. Core java some questions,
(1 Question)
- Q1. Core java , spring , spring boot , IOC container, Dependency Injection
(1 Question)
- Q1. Only core java and logical questions Hash code and equals String handling logical questions Static and non static And other logical questions
(1 Question)
- Q1. What’s your salary expectation and why that much ?”
- Ans.
I expect a salary of $X because of my experience, skills, and the market value for software engineers.
I have X years of experience in software engineering, which has allowed me to develop a strong skill set.
I have expertise in programming languages such as Java, Python, and C++.
I have successfully completed projects that required complex problem-solving and critical thinking.
I have a deep understanding of software deve...
Interview Preparation Tips
- Core Java
- Hibernate
- JPA
- Spring Boot
- spring tr
- REST API
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