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The EPC (Evolved Packet Core) and IMS (IP Multimedia Subsystem) are key components in modern telecommunications networks.
EPC protocols include GTP (GPRS Tunneling Protocol), Diameter, and S1AP (S1 Application Protocol).
Message flows in EPC involve processes such as authentication, session establishment, and mobility management.
IMS protocols include SIP (Session Initiation Protocol), SDP (Session Description Protocol), ...
EPC outgoing call and IMS roaming call flow
EPC outgoing call flow involves the user equipment (UE), evolved packet core (EPC), and the public switched telephone network (PSTN)
IMS roaming call flow involves the UE, visited IMS network, home IMS network, and the PSTN
Both flows involve signaling and media flows between the different network elements
EPC outgoing call flow involves the use of the Session Initiation Protocol...
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posted on 11 Feb 2025
A linked list is a linear data structure where elements are stored in nodes with each node pointing to the next node in the sequence.
Consists of nodes connected by pointers
Can be singly linked (each node points to the next) or doubly linked (each node points to the next and previous)
Allows for dynamic size and efficient insertion/deletion operations
I applied via Naukri.com and was interviewed before Jun 2023. There was 1 interview round.
I applied via LinkedIn and was interviewed in Jul 2024. There were 2 interview rounds.
I have 5 years of experience working as a software engineer in various industries.
Developed web applications using Java, Spring, and AngularJS
Led a team of developers in a successful project delivery
Implemented CI/CD pipelines to automate software deployment
Worked on improving system performance and scalability
I applied via LinkedIn and was interviewed before Dec 2023. There were 2 interview rounds.
Coding questions on Javascript
I applied via Naukri.com and was interviewed before Jan 2022. There were 2 interview rounds.
Dot net core life cycle is the process of initializing, executing, and disposing of an application.
The life cycle starts with application startup and ends with application shutdown.
It includes various stages such as configuration, dependency injection, middleware pipeline, and request processing.
During the life cycle, the application can handle events such as exceptions, shutdown, and restart.
The life cycle can be cust...
posted on 22 Nov 2024
Encapsulation, Inheritance, Polymorphism, Abstraction are the four pillars of OOPS in Java.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Inheritance: Allows a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the implementation details and showing only the necessary features.
A constructor in Java is a special type of method that is used to initialize objects.
Constructors have the same name as the class they are in.
They do not have a return type, not even void.
Constructors are called when an object of a class is created.
Example: public class Car { public Car() { // constructor code } }
posted on 24 Jun 2024
I applied via Campus Placement
45 questions were asked
3 questions were asked one from SQL and 2 from java
I applied via Naukri.com and was interviewed before Sep 2023. There was 1 interview round.
Hooks are functions that allow developers to use state and other React features in functional components.
Hooks are introduced in React 16.8 to allow state and other React features in functional components.
Use cases include managing state, using lifecycle methods, and accessing context in functional components.
Examples of hooks include useState, useEffect, useContext, and custom hooks created by developers.
Null is a value that represents the absence of a value, while undefined means a variable has been declared but not assigned a value.
Null is a value that can be assigned to a variable to indicate that it has no value.
Undefined is a type that is automatically assigned to variables that have been declared but not initialized.
Null is a deliberate assignment by the programmer, while undefined is a default value assigned by ...
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