Bharat Sanchar Nigam Assistant General Managertelecom Operations Bsnl Interview Questions and Answers

Reasoning in Aptitude

Q1. What is Computer Networks
Ans. 
Computer Networks are systems of interconnected computers that communicate with each other to share resources and information.
• Computer networks allow for sharing of resources such as files, printers, and internet connections.

• They enable communication between devices through protocols like TCP/IP.

• Examples include LANs (Local Area Networks), WANs (Wide Area Networks), and the Internet.
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Q2. What is VPN, how it works
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VPN stands for Virtual Private Network, it allows users to securely access a private network over a public network.
• VPN encrypts data to ensure secure transmission over the internet

• It masks the user's IP address to maintain anonymity

• VPN creates a secure tunnel between the user's device and the private network

• Common uses include remote access to company networks and bypassing geo-restrictions

• Examples of VPN services incl
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Q1. What is garbage collection?
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Garbage collection is an automatic memory management process that frees up memory occupied by objects that are no longer in use.
• Garbage collection is a process of identifying and freeing up memory that is no longer in use by the program.

• It helps prevent memory leaks and improves program performance.

• Examples of garbage collection include Java's automatic garbage collection and Python's reference counting and garbage col...read more
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Q2. Difference between foreign key and primary key
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Primary key uniquely identifies a record in a table, while foreign key refers to a field in another table.
• Primary key is used to enforce data integrity and ensure uniqueness of records.

• Foreign key is used to establish a relationship between two tables.

• A table can have only one primary key, while it can have multiple foreign keys.

• Primary key is always indexed, while foreign key may or may not be indexed.

• Example: In a da...read more
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Q3. One coding question about trees
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3 rounds starts with Technical and then group discussion and final round was about HR.

Online coding round with choice of your language.

Q1. Positives and negatives
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Q2. About relocations to different places.
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Q1. Why do you want to work at ericsson
Ans. 
I want to work at Ericsson because of their innovative technology solutions and global impact in the telecommunications industry.
• Ericsson is a leader in the telecommunications industry, providing cutting-edge technology solutions.

• I am impressed by Ericsson's global presence and impact, working with clients all over the world.

• I am excited about the opportunity to contribute to Ericsson's innovative projects and work wit
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Q2. What do you think about repetitive tasks
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Repetitive tasks can be monotonous but also provide an opportunity for efficiency and improvement.
• Repetitive tasks can lead to boredom and decreased motivation.

• However, they also offer a chance to streamline processes and identify areas for improvement.

• For example, data entry may be repetitive but can highlight errors in the system that need to be addressed.

• Creating templates or checklists can help make repetitive task...read more
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Q1. It is like introduce yourself in one word
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Q1. About what you know about network layers
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Quant Verbal Technical

Q1. Basics CS concepts
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Basic aptitude questions

Basic dsa with basic knowledge os any programming language

Q1. Tell me about yourself
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Graduated with a degree in Computer Science

• Passionate about coding and problem-solving

• Completed internships in software development

• Participated in coding competitions
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Q2. Some other generic hr questipons
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