Infosys Trainee Network Engineer Interview Questions and Answers

Q1. What is network and tell me about oso layers
Ans. 
A network is a group of interconnected devices that communicate with each other. OSI layers are a model for understanding network communication.
• OSI layers are a conceptual model for understanding how data is transmitted over a network.

• There are seven layers in the OSI model, each with a specific function.

• The layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer communica...read more
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Q2. What is TCP?why it is important
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TCP is a protocol used for reliable transmission of data over networks.
• TCP stands for Transmission Control Protocol.

• It is a connection-oriented protocol that ensures reliable delivery of data packets.

• TCP uses a three-way handshake to establish a connection between two devices.

• It provides flow control, congestion control, and error detection and correction mechanisms.

• TCP is used for applications that require reliable da...read more
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Q3. Diffrence between ipv4 and ipv6
Ans. 
IPv4 uses 32-bit addresses while IPv6 uses 128-bit addresses.
• IPv4 allows for approximately 4.3 billion unique addresses while IPv6 allows for approximately 340 undecillion unique addresses.

• IPv6 includes built-in security features such as IPsec while IPv4 requires additional security protocols.

• IPv6 also includes features such as stateless address autoconfiguration and multicast addressing.

• IPv4 headers are 20 bytes long ...read more
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Q4. Explain diffrent types of network? Give practical examples
Ans. 
There are several types of networks, including LAN, WAN, MAN, WLAN, and VPN.
• LAN (Local Area Network) - a network that connects devices within a small area, such as a home or office.

• WAN (Wide Area Network) - a network that connects devices across a large geographical area, such as the internet.

• MAN (Metropolitan Area Network) - a network that connects devices within a city or metropolitan area.

• WLAN (Wireless Local Area N...read more
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Q1. Introduce yourself in brief
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Q2. Why you wanna switch your career to IT
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Q1. Tell me about yourself?
Ans. Good Afternoon sir/Mam First of all,thank you for giving me this opportunity to introduce myself My name is Navya jyothi. I am pursuing Degree with computer science from Krishna university in Sri Srinivasa Degree college vuyyuru. I had completed my Intermediate from Sri Srinivasa Junior college vuyyuru in the year 2019. I had completed my Schooling fromZpHigh school,tadanki in the year 2017. I belong to middle class f...read more
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Q2. What is important to you:the money or the work?
Ans. "I would say that work is more important.If we work and archive compant goals then obviously money would follow. I believe work to be prior".
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Q3. What are your salary expectations?
Ans. As I am fresher,I just accept the salary offered by you. So that i applying for this job.
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Q1. What is osi layer
Ans. 
OSI (Open Systems Interconnection) layer is a conceptual model that describes the communication functions of a telecommunication or computing system.
• OSI model has 7 layers, each with a specific function

• Each layer communicates with the layer above and below it

• Layers are numbered from 1 to 7, with 1 being the physical layer and 7 being the application layer

• Examples of layers include physical layer, data link layer, netwo...read more
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Q1. Tell me about yourself
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An aptitude is a component of a competence to do a certain kind of work at a certain level. Outstanding aptitude can be considered "talent", or "skill". Aptitude is inborn potential to perform certain kinds of activities, whether physical or mental, and whether developed or undeveloped

Coding is the process of allowing humans to speak to computers. As computers only understand binary language — a series of zeros and ones — humans need to use a programming language as a translator of sorts.

Group discussion is a discussion between a group of participants on a given subject. A group discussion typically forms a part of the selection process used by organisations and educational institutions. The candidates talk about the given topic to present facts, opinions and conclusions.

An assignment is a task that someone in authority has asked you to do. The word assignment is just the noun form of the common verb assign, which you use when you want to give someone a duty or a job. When you assign something, that something is called an assignment.

Case study is an appropriate research design when you want to gain concrete, contextual, in-depth knowledge about a specific real-world subject. It allows you to explore the key characteristics, meanings, and implications of the case. Case studies are often a good choice in a

Q1. Human resources (HR) is the division of a business responsible for finding, recruiting, screening, and training job applicants.
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Q2. Finding, recruiting, screening, and training job applicants
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Q3. Human resources (HR) is the division of a business responsible for finding, recruiting, screening, and training job applicants. HR departments also handle employee compensation, benefits, and terminations.
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Q1. Examples of more advanced technical skills that a job might require include programming languages, technical writing, or data analysis. Unlike workplace skills, also called soft skills, such as communicati...read more
Ans. 
Technical skills often require specific education, such as programming languages, technical writing, or data analysis.
• Programming languages: Examples include Java, Python, C++, etc.

• Technical writing: Ability to write technical documentation, manuals, and reports.

• Data analysis: Skills in analyzing and interpreting data using tools like Excel, SQL, or R.
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Q2. Programming languages, technical writing, or data analysis
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Normal aptitude group discussion assignment case study

Coding test assignment one on one round

Q1. Technical vs no tech
Ans. 
Technical skills are essential for a Network Engineer, but soft skills are also important for effective communication and teamwork.
• Technical skills are necessary for configuring and troubleshooting network devices.

• Soft skills like communication, teamwork, and problem-solving are crucial for working effectively with colleagues and clients.

• Balancing technical expertise with interpersonal skills is key to success in the r...read more
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Q2. Dhcp vs dns gdp vs rdp frp vs 30nd
Ans. 
DHCP is a protocol used to assign IP addresses dynamically to devices on a network, while DNS is a system that translates domain names to IP addresses.
• DHCP assigns IP addresses to devices on a network dynamically

• DNS translates domain names to IP addresses

• RDP (Remote Desktop Protocol) allows users to remotely connect to a computer

• FRP (Fiberglass Reinforced Plastic) is a material used in construction

• 30nd does not seem to
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Q1. What is the full form of HR?
Ans. 
Human Resources
• HR stands for Human Resources

• It is a department within an organization responsible for managing employees

• HR handles recruitment, training, benefits, and employee relations

• Example: The HR department at XYZ Company is in charge of hiring new employees
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Q2. What are the 7 functions of HR?
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The 7 functions of HR include recruitment, training, performance management, employee relations, compensation and benefits, compliance, and HR strategy.
• Recruitment: Attracting and hiring qualified candidates for open positions.

• Training: Providing employees with the necessary skills and knowledge to perform their jobs effectively.

• Performance management: Evaluating and improving employee performance through feedback and ...read more
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Q3. Tell me about your self ?
Ans. Hello sir/mam good day First of all thank you for giving me opportunity to introduce myself my name is sujatha I'm 22 years old am rayachoty I have completed b.com computer applications from SV University Sdhr degree college Thirupati my strengths are iam self motivated playing games and reading books. My short term goal is to get a job in a HCl company My long term goal is achieved good position in company in compa...read more
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Q4. Tell me something about our company
Ans. This is one best companies in the corporate world There is good environment. Companies take care of employees and provide good security a good opportunity so very scope is there in the future .
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Q5. How much salary do you expect?
Ans. First of all iama fresher Iam expecting a salary according to the company norms.
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Q6. Do you have any questions for me?
Ans. Yes sir/mam What do you think I should improve myself
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The interview was very good as they asked me my experiences(good & bad) from the day I am professional. How to handle the situations when a senior person makes a mistake. What are the ways of learning that you prefer.

Q1. Which tools have I worked for.
Ans. 
I have worked with a variety of tools as a Network Engineer.
• Cisco Packet Tracer

• Wireshark

• SolarWinds Network Performance Monitor

• Nmap

• GNS3

• Ping

• Traceroute
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Q2. Which technologies I've worked on.
Ans. 
I have worked on a variety of technologies as a Network Engineer.
• Cisco networking equipment

• Routing and switching protocols (e.g. OSPF, BGP)

• Firewalls and security appliances (e.g. Cisco ASA, Palo Alto)

• Network monitoring and management tools (e.g. SolarWinds, Wireshark)

• Virtualization technologies (e.g. VMware, Hyper-V)

• Load balancers (e.g. F5, Citrix NetScaler)

• Wireless networking (e.g. Cisco Meraki, Aruba)

• Network troubles
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Q3. Brief questions on all technologies and technical terms.
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Q1. No questions. Only HR discussions.
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Q1. Scenario based question
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Q2. Routing switching protocols
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Q1. Tell me about youself
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Q2. What are you future perspectives
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Q1. What is your Salary expectation
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