Deutsche Telekom Interview Questions, Process, and Tips

Q1. What are types of Dispatchers
Ans. 
Types of Dispatchers in Android include Main, IO, Default, and Unconfined.
• Main Dispatcher: Handles UI-related tasks and runs on the main thread.

• IO Dispatcher: Handles IO-related tasks such as network or disk operations.

• Default Dispatcher: Used for CPU-intensive tasks that don't block the main thread.

• Unconfined Dispatcher: Executes the coroutine in the caller thread until the first suspension point.
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Q2. Differences between MVVM and MVC
Ans. 
MVVM focuses on separation of concerns, with ViewModel acting as a mediator between Model and View. MVC has tighter coupling between Model, View, and Controller.
• MVVM separates concerns by introducing a ViewModel layer to handle presentation logic.

• MVC has a tighter coupling between Model, View, and Controller, leading to potential code duplication and difficulty in testing.

• In MVVM, the ViewModel exposes data and actions...read more
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Good level mcqs on iOS including both swift and ObjC. One needs a good command in swift for the first written round

Q1. DS algo Java advance and sql advance
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Q1. Appium and it's arhetecture
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Q2. Appium with jaava test ng with existing frame work
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Patterns in java with frame work