Testing Engineering Specialist
Testing Engineering Specialist Interview Questions and Answers
Q1. Describe OOP's concepts Difference between throw and throws compile time and runtime polymorphism static methods Exception Handling Program to find occurrences of characters in a string
OOP's concepts include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation details and showing only the necessary features.
Q2. Network call flows and interfaces in 2G,3G4G and IMS
Understanding network call flows and interfaces is crucial for testing 2G, 3G, 4G, and IMS technologies.
2G call flow involves circuit-switched technology and uses GSM architecture
3G call flow involves packet-switched technology and uses UMTS architecture
4G call flow involves all-IP technology and uses LTE architecture
IMS call flow involves VoIP technology and uses SIP protocol
Interfaces include RAN, Core Network, and IMS
Testing involves verifying call setup, handovers, and da...read more
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