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Cohesity Senior Quality Engineer Interview Questions and Answers
Cohesity Senior Quality Engineer Interview Experiences
1 interview found
Anonymous
(1 Question)
- Q1. Dept wise questions, Company salary discussion
(1 Question)
- Q1. Management related & Work Experience wise
Interview Preparation Tips
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I applied via Referral and was interviewed before Feb 2020. There were 3 interview rounds.
Interview Questionnaire
5 Questions
- Q1. How to calculate parity
- Ans.
Parity is calculated by counting the number of 1s in a binary sequence.
Parity is used to detect errors in data transmission.
Even parity means the number of 1s in the sequence should be even.
Odd parity means the number of 1s in the sequence should be odd.
Parity can be calculated using XOR operation on the binary sequence.
- Q2. What is baseline and benchmark performance?
- Ans.
Baseline is the starting point of performance measurement while benchmark is the standard for comparison.
Baseline is the initial measurement of performance used as a reference point for future comparisons.
Benchmark is the standard or best practice used for comparison with the current performance.
Baseline and benchmark are used to measure and improve performance.
For example, a company may set a baseline for their websit...
- Q3. Performance issues scenarios and how you troubleshoot them?
- Ans.
I analyze logs, monitor system resources, and use profiling tools to identify and resolve performance issues.
Analyze logs to identify potential bottlenecks
Monitor system resources such as CPU, memory, and disk usage
Use profiling tools to identify slow code and optimize it
Identify and eliminate unnecessary database queries
Optimize network communication
Implement caching mechanisms
Conduct load testing to identify performa
- Q4. What is iscsi, san,fc, maa and other protocols ?
- Ans.
iSCSI, SAN, FC, MAA are protocols used in storage networking.
iSCSI (Internet Small Computer System Interface) is a protocol used to transmit SCSI commands over IP networks.
SAN (Storage Area Network) is a network that provides block-level access to data storage.
FC (Fibre Channel) is a high-speed network technology used to connect servers and storage devices.
MAA (Massive Array of Idle Disks) is a storage architecture tha
- Q5. What and how to read top command
- Ans.
Top command displays real-time system resource usage and process information.
Top command shows system load, CPU usage, memory usage, and running processes.
The first line shows overall system statistics.
The second line shows CPU usage.
The third line shows memory usage.
The fourth line shows swap usage.
The fifth line shows running processes.
Press 'q' to exit top command.
Interview Preparation Tips
There were 4 rounds: 1 telephonic, 2 technical, 3 with EE and last managerial round.
EE round was the best.He was quite understanding and open to understand others answer and even if you are wrong he will tell you where you went wrong in very polite manner.
Skills evaluated in this interview
I applied via Company Website and was interviewed in Nov 2020. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Linked list, data structure
- Q2. Map,
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Programming
Interview Preparation Tips
(2 Questions)
- Q1. Question on trie
- Q2. Question on intervals
I applied via Approached by Company and was interviewed in Sep 2023. There were 2 interview rounds.
Traverse through a matrix of uppercase english alphabets to find a given word. you are allowed to make up to k jumps, and same position can be repeated too.
(1 Question)
- Q1. Compression of 0-1 matrix of particular size.
- Ans.
Compression of 0-1 matrix involves reducing the size of the matrix by storing only the necessary information.
Use run-length encoding to compress the matrix by storing consecutive repeated values as a single value and count.
Identify patterns in the matrix that can be represented more efficiently.
Consider using sparse matrix representation if the matrix has a lot of zeros.
Implement efficient algorithms to compress and de...
Skills evaluated in this interview
I was interviewed in Jun 2021.
Interview Questionnaire
3 Questions
- Q1. Variable and methods calling which are inherited and overridden.
- Ans.
Inherited variables and methods can be overridden in child classes.
Inheritance allows child classes to access parent class variables and methods.
Child classes can override inherited variables and methods with their own implementation.
The 'super' keyword can be used to call the parent class version of an overridden method.
Example: class Child extends Parent { int variable = 5; void method() { super.method(); } }
- Q2. Priority severity defects
- Q3. Git commands to clone stashing
- Ans.
Git clone command is used to create a copy of a repository. Stashing is used to save changes temporarily.
To clone a repository: git clone
To stash changes: git stash
To apply stashed changes: git stash apply
To clone and stash changes: git clone
&& git stash
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed in Apr 2023. There were 3 interview rounds.
(2 Questions)
- Q1. About cloud technologies
- Q2. All about Unix scripting
(2 Questions)
- Q1. About current project and technologies
- Q2. About roles and responsibilities
Interview Preparation Tips
I was interviewed before Jan 2016.
Interview Questionnaire
1 Question
- Q1. Technical interview
Interview Preparation Tips
Experience: techincal questions from C,C++ . mostly pointers. few ques from DB, and OS.
Duration: 1 hour 30 minutes
Total Questions: 45
Round: Test
Experience: This is a rigourous 6-8 hours coding round where you are given a problem statement to solve .
The company people are there to guide you through the process .
Duration: 6 hours
Total Questions: 1
Round: Technical Interview
Experience: A panel of 2-3 members takes your inteview on basic fundamental c++, data structures questions.
duration is mostly 45 mins to 1hr.
Skills: C++, Coding Skills And Knowledge On Data Structures, Pointers In C, Logical Puzzles, Thinking Approach
College Name: Netaji Subhas Institute Of Technology, Delhi
Interview Preparation Tips
Experience: First round was a written test which had 20 MCQ's in the field of Databases, Theory of computation, Operating systems, Data Structures and Algorithms and one programming question. 7 students (4 B.Tech, 3 M.Tech) got through to the interviews. Most of the interviews were held in the Google Bangalore campus. There were a total of 5 rounds of interviews. All based on Data Structures and Algorithms. Each round had 2 questions for which we were usually supposed to explain the algorithm first and then write the code on a Google doc. It was a really great experience. I got a chance to visit both Google Bangalore and Hyderabad campuses and taste their awesome food.
Total Questions: 20
General Tips: Practice your coding skills. Writing a neat code is very important. Interviewers not just look for a good algorithm but also your coding style (indentation, variable names, simplicity etc.)
College Name: NIT SURATHKAL
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