Innova Solutions QA Engineer Interview Questions and Answers

Handling multiple windows in Selenium involves switching between windows and performing actions on each window.

• Use getWindowHandles() to get all window handles

• Switch to a specific window using switchTo().window(handle)

• Perform actions on the window

• Switch back to the original window if needed

Packet flow in routers involves data transmission through different layers of the OSI model.

• Packet flow starts at the network layer where packets are routed based on IP addresses.

• Packets then move to the data link layer where MAC addresses are used for communication.

• Finally, packets are transmitted physically through the network interface.

• OSI model consists of 7 layers: Physical, Data Link, Network, Transport, Session,

SQL query with join

• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table in the SELECT statement

• Use ON keyword to specify the join condition

SQL query with join

• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table

• Use ON keyword to specify the join condition