Truminds Software Systems Interview Questions, Process, and Tips

Simple map question basically it was frequency based sorting

Q1. Explain about oops
Ans. 
Object-oriented programming paradigm where data and behavior are encapsulated within objects
• Encapsulation: bundling data and methods that operate on the data within a single unit

• Inheritance: ability for a class to inherit properties and behavior from another class

• Polymorphism: ability for objects of different classes to respond to the same method call
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Q2. Tell me about the threads in Operating system
Ans. 
Threads in operating system are lightweight processes that share the same memory space and resources.
• Threads allow for concurrent execution within a single process

• Threads share the same memory space, allowing for efficient communication and data sharing

• Threads can be created and managed by the operating system or by the application itself

• Examples of threading models include user-level threads and kernel-level threads
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Q1. What is threading
Ans. 
Threading is a programming technique that allows multiple tasks to run concurrently within a single process.
• Threading allows for parallel execution of tasks within a program.

• Threads share the same memory space, allowing for efficient communication and data sharing.

• Examples of threading in programming languages include Java's Thread class and Python's threading module.
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Q2. 7 layer of networking
Ans. 
The 7 layers of networking refer to the OSI model, which is a conceptual framework used to understand how networks operate.
• Physical layer: Deals with physical connections and hardware (e.g. cables, switches)

• Data link layer: Manages data transfer between devices on the same network (e.g. Ethernet)

• Network layer: Handles routing and forwarding of data packets (e.g. IP)

• Transport layer: Ensures data is delivered reliably an...read more
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Q1. Prev salary and prev experience(even if you fake it you can pass interview, he is dumb about software development)
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Q2. What is your expectation
Ans. 
My expectation is to work in a challenging environment where I can utilize my skills to contribute to the success of the team and company.
• Expectation to work on complex projects that require problem-solving skills

• Desire to collaborate with talented team members to achieve common goals

• Opportunity for continuous learning and professional growth

• Expectation for clear communication and feedback from management
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Q1. Explain about 4g attach call flow
Ans. 
4G attach call flow involves multiple steps for a device to connect to the network.
• Device sends attach request to the network

• Network validates the request and assigns temporary identity (TMSI)

• Network sends attach accept message to device

• Device sends attach complete message to confirm attachment

• Network updates location of device in Home Location Register (HLR)
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Q2. Explain about handover scenarios
Ans. 
Handover scenarios involve transferring a call or data session from one cell to another in a seamless manner.
• Handover can be triggered by factors like signal strength, congestion, or user mobility.

• Types of handover include hard handover (disconnecting from one cell before connecting to another) and soft handover (connecting to multiple cells simultaneously).

• Handover can occur within the same network (intra-cellular han...read more
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