Performance Test Consultant Interview Questions and Answers

Different types of test scenarios in JMeter and LoadRunner

• JMeter: HTTP requests, FTP requests, JDBC requests, SOAP/XML-RPC requests, LDAP requests, etc.

• LoadRunner: Web, Mobile, SAP, Database, Citrix, etc.

• Both tools support load, stress, endurance, and spike testing.

• JMeter supports distributed testing while LoadRunner requires additional licenses for it.

• Both tools allow for parameterization and correlation of test data.

web_reg_save_param API attributes and handling dynamic boundaries

• web_reg_save_param API is used to capture dynamic data from server responses

• Attributes include LB (left boundary), RB (right boundary), ORD (occurrence), and more

• Dynamic boundaries can be handled using regular expressions or custom functions

• Regular expressions can be used to match patterns in the response

• Custom functions can be used to extract data based on specific logic

Integrating 3rd party tools with JMeter and LoadRunner

• Identify the 3rd party tool to be integrated

• Download and install the necessary plugin or library for the tool

• Configure the tool in JMeter or LoadRunner

• Use the tool in the performance test script

• Verify the integration by running the test and analyzing the results

APIs can be tested in LoadRunner and JMeter using HTTP/HTTPS protocols and by creating virtual users.

• Create a new script in LoadRunner or JMeter

• Add HTTP/HTTPS protocol to the script

• Record the API requests and responses

• Add virtual users to simulate load

• Run the script and analyze the results

Different types of testing include functional, performance, security, usability, and compatibility testing.

• Functional testing ensures that the software meets the specified requirements.

• Performance testing checks the system's ability to handle a large number of users or transactions.

• Security testing identifies vulnerabilities and ensures that the system is secure.

• Usability testing evaluates the user-friendliness of the software.

• Compatibility testing checks if the software work...read more