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Qualys Performance Engineer Interview Questions and Answers
Qualys Performance Engineer Interview Experiences
2 interviews found
(2 Questions)
- Q1. What was round 3?
- Q2. What was the final round?
I applied via LinkedIn and was interviewed in Apr 2021. There was 1 interview round.
Interview Questionnaire
9 Questions
- Q1. Jmeter scenario based questions.
- Q2. Programming Questions in any language like python Java javascript
- Q3. Oracle DB Architecture and AWR report analysis
- Q4. SQL queries medium complex
- Q5. Challenge in analysis
- Ans.
The challenge in analysis is to identify the root cause of performance issues.
Identify the performance metrics to be analyzed
Collect and analyze data from various sources
Use tools like APM, profiling, and monitoring tools
Identify patterns and anomalies in the data
Correlate the data to identify the root cause
Provide recommendations for improvement
- Q6. In second round, questions specific to roles and responsibilities.
- Q7. Linux commands and how can we monitor using Linux.
- Ans.
Linux commands for monitoring
top - displays system processes
htop - interactive process viewer
vmstat - virtual memory statistics
iostat - input/output statistics
netstat - network statistics
sar - system activity report
free - displays memory usage
df - displays disk space usage
ps - displays information about running processes
- Q8. How to analyze SQL Plan
- Ans.
SQL plan can be analyzed using tools like SQL Developer, SQL*Plus, or Oracle Enterprise Manager.
Use EXPLAIN PLAN to generate a query execution plan
Analyze the plan for potential performance issues
Look for full table scans, high cost operations, and missing indexes
Use SQL tuning tools to optimize the plan
Consider using hints to force a specific execution plan
- Q9. Basic Python code related to string manipulation and List manipulation.
Interview Preparation Tips
Medium level SQL queries expertise so that you can handle problem till joins.
Oracle Database architecture, importance of its various parts like SGA PGA
Prepare linux command and write some shell scripts to get confidence.
Apart from this definitely work on Jmeter scripting part -
Use of beanshell
Use of DWR call in case of API
And different complex scenarios.
Cheers, All the best.
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I applied via Company Website and was interviewed in Apr 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Are you updating day by day yourself in technology ?
- Q2. Yes, means you will definitely placed in technosoft.
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Sep 2021. There were 3 interview rounds.
(3 Questions)
- Q1. Do you have knowledge of Hadoop data ware house?
- Ans.
Yes, I have knowledge of Hadoop data warehouse.
I have experience in designing and implementing Hadoop-based data warehouses.
I am proficient in Hadoop ecosystem technologies such as HDFS, MapReduce, Hive, and Pig.
I have worked with large-scale data processing and storage using Hadoop.
I am familiar with data warehousing concepts such as ETL, data modeling, and data integration.
I have used Hadoop to build data warehouses
- Q2. SQl questions using joins.
- Q3. Have you used python scripts in your testing?
- Ans.
Yes, I have used Python scripts extensively in my testing.
I have used Python scripts for automated testing of web applications.
I have also used Python scripts for unit testing of backend code.
Python's unittest module is particularly useful for this purpose.
I have also used Python scripts for load testing and performance testing.
Python's requests library is very helpful for testing APIs.
I have also used Python scripts f
(1 Question)
- Q1. What is your current ctc and what is your expected ctc?
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Mar 2020. There were 4 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Difference between Hashtable and hashmap?
- Ans.
Hashtable is synchronized while hashmap is not.
Hashtable is thread-safe while hashmap is not.
Hashtable does not allow null keys or values while hashmap allows one null key and multiple null values.
Hashtable is slower than hashmap due to synchronization.
Hashtable is a legacy class while hashmap is a newer implementation.
- Q2. Difference between hashmap and concurrent hashmap?
- Ans.
Hashmap is not thread-safe while Concurrent Hashmap is thread-safe.
Hashmap is not suitable for multi-threaded environments as it can lead to race conditions and data inconsistencies.
Concurrent Hashmap allows multiple threads to access and modify the map concurrently without any data inconsistencies.
Concurrent Hashmap uses a technique called lock striping to achieve thread-safety.
Concurrent Hashmap is slower than Hashma...
- Q3. Jdbc step
- Q4. Spring ioc
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Apr 2021. There was 1 interview round.
(2 Questions)
- Q1. Basic python list tuples set dictionary related questions
- Q2. Decorators generator and django rest framework
Interview Preparation Tips
Software Engineer Interview Questions & Answers
Bounteous x Accolite
Anonymous
posted on 20 Jun 2021
I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Dsa java oops dbms networking
Interview Preparation Tips
You have to be very strong in DSA.
Interview Questionnaire
1 Question
- Q1. Basic javascript questions , clouser, promise
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Nov 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Basic questions on javascript, angular, html,css
- Q2. Questions on localstorage , tokens, security, interceptors
Interview Preparation Tips
I applied via LinkedIn and was interviewed before Jun 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Basics Of JS
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