System Verification Engineer Interview Questions and Answers

NAS security mode is used for authentication and encryption in LTE networks, while AS security mode is used for authentication and key agreement in 5G networks.

• NAS security mode is used in LTE networks for authentication and encryption of user data.

• AS security mode is used in 5G networks for authentication and key agreement between the UE and the network.

• Attach procedure involves the UE connecting to the network and establishing security parameters for communication.

I have worked on developing a custom framework for system verification using Python and Selenium.

• Developed a modular framework to automate test cases for system verification

• Used Python for scripting test cases and Selenium for web automation

• Implemented data-driven testing to run test cases with different input data

• Integrated with Jenkins for continuous integration and automated test execution

S1 and X2 Handover procedure involves transferring control of a mobile device from one base station to another.

• Handover is necessary when a mobile device moves out of the coverage area of one base station and into the coverage area of another.

• S1 handover is intra-frequency handover, where the mobile device stays on the same frequency but changes the serving cell.

• X2 handover is inter-frequency handover, where the mobile device changes frequency along with the serving cell.

• Hand...read more