Capgemini Trainee Network Engineer Interview Questions and Answers

Q1. CCNA, Switching and routing
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Q2. CCNA, Switching & routing
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There was 4 sections in quiz : Coding, General Knowledge, English, Math

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
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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
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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. 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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Q1. Basics TCP IP , trace root command and DORA PROCESS
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Normal communication check

Q1. Basci CCNA question
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Q2. EIGRP was asked
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Q3. DHCp was asked and how it works
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Q4. What is loop and what is the IP
Ans. 
A loop is a sequence of instructions that is continually repeated until a certain condition is met. An IP (Internet Protocol) address is a unique numerical label assigned to each device connected to a computer network.
• A loop is used in programming to execute a block of code repeatedly until a specific condition is met.

• There are different types of loops such as for loop, while loop, and do-while loop.

• An IP address is us...read more
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Q5. Rotuing protocols and switch protocols
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Q1. What BGP OSPF VPN
Ans. 
BGP, OSPF, and VPN are all protocols used in networking to facilitate communication and secure data transmission.
• BGP (Border Gateway Protocol) is used to exchange routing information between different autonomous systems on the internet.

• OSPF (Open Shortest Path First) is an interior gateway protocol used to find the best path for routing within a single autonomous system.

• VPN (Virtual Private Network) is a technology tha...read more
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Q2. Smtp rstm vlan intervlan
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Q1. Ethereal channel
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Q2. OSPF BGP ethereal vpn erc
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Q1. Share you internship exp
Ans. 
I interned at a telecommunications company where I gained hands-on experience in configuring network devices and troubleshooting network issues.
• Configured routers and switches to optimize network performance

• Assisted in setting up VLANs and implementing security protocols

• Troubleshooted network connectivity issues for end users

• Participated in network infrastructure upgrades and maintenance
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Q2. All question based on the resume only
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Q3. Prepare whatever written in your resume
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