Tata Communications Transformation Services Network Engineer L1 Interview Questions and Answers

Q1. Ospf protocol and routing
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Q2. Osi layers and bgp
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Q1. Bgp protocol and switching
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Q2. Incident management
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Q1. Tell me about yourself
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I am a highly experienced Senior Network Engineer with a strong background in designing, implementing, and managing complex network infrastructures.
• Over 10 years of experience in network engineering

• Proficient in Cisco, Juniper, and Palo Alto technologies

• Skilled in network design, implementation, and troubleshooting

• Certified in CCNP and JNCIP

• Led successful network upgrade projects at previous companies
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Q2. Experience and expertice , certification
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Q1. Tell mee about yourself
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Q2. What is networking
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Q1. Volte call flow
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Q1. What is a network and u now switch
Ans. 
A network is a group of interconnected devices that communicate with each other to share resources and information.
• A network can be wired or wireless

• Devices on a network can include computers, printers, routers, and switches

• Networks can be local (LAN) or wide area (WAN)

• Switches are devices that connect devices on a network and direct traffic between them
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Q2. What is power battery switch
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A power battery switch is a device used to control the flow of power from a battery to a circuit or device.
• It is typically used in situations where multiple batteries are connected to a circuit and need to be switched on or off.

• The switch allows for easy control and management of power sources.

• Examples include battery backup systems for network equipment, where the switch determines whether power is sourced from the ma...read more
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Q3. What optical fiber splicing
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Optical fiber splicing is the process of joining two fiber optic cables together.
• Splicing is done to extend the length of a fiber optic cable or to repair a damaged cable.

• There are two types of splicing: fusion splicing and mechanical splicing.

• Fusion splicing involves melting the ends of two fibers together using an electric arc.

• Mechanical splicing involves aligning the two fibers and holding them together with a splic...read more
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Q4. Splicing mechanics otdr lsm
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Q1. Introduce yourself. Describe your projects on which you worked. Technical questions like GSM architecture, OSI model, TCP-IP model
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Q2. Digital communication techniques such as TDMA,CDMA,FDMA,PCM, sampling , quantisation as well as basic of amplitude modulation
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Q3. Some basics of antennas, types of antennas , basics of electro magnetic wave propogation.
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Q1. Give a brief introduction of yourself and one technical question on sampling technique.
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Ccna

Q1. What is networking and osi model
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Networking is the practice of connecting devices to share resources. OSI model is a conceptual framework for network communication.
• Networking involves connecting devices to share resources such as data, printers, and internet access.

• OSI model is a conceptual framework that defines how data is transmitted over a network.

• It consists of seven layers, each with a specific function, from physical transmission to application...read more
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Q1. BGP Port number BGP states STP Nexus code upgrades VPC VDC
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Q1. Network flow in nexus switches vpc communication in nexus switches unable to ssh nexus
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Network flow in Nexus switches involves understanding vPC communication and troubleshooting SSH connectivity issues.
• Network flow in Nexus switches involves the movement of data packets between devices connected to the switches.

• vPC (Virtual Port Channel) communication in Nexus switches allows for link aggregation and redundancy by combining multiple physical links into a single logical link.

• Troubleshooting SSH connectiv...read more
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