Tata Communications Technical Support Engineer Interview Questions and Answers

Q1. General questions
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Q2. General knowledge
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Q3. Testing Knowledge on work
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Q4. Network Structure
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Q5. Desktop Support issues and troubleshoots
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Group discussion with 10 other people

Q1. Introduction to your self
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Q2. Previous company experience
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Q1. Different n/w layers
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Different network layers include physical, data link, network, transport, session, presentation, and application layers.
• Physical layer: responsible for transmitting raw bits over a communication channel

• Data link layer: responsible for error-free transfer of data between nodes on a network

• Network layer: responsible for routing data packets between networks

• Transport layer: responsible for reliable data transfer between a...read more
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Q1. Firewall works on what layers
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Firewall works on multiple layers of OSI model
• Firewall operates on layers 3 (network layer) and 4 (transport layer) of the OSI model

• It can filter traffic based on IP addresses, ports, protocols, and other criteria

• Firewalls can also perform deep packet inspection to detect and block malicious traffic

• Examples of firewall software include Cisco ASA, pfSense, and Windows Firewall
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Q1. Waste of time to attend the interview
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Q2. Waste of time to attend the interview instead of that prefer other jobs
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Q1. What ia tcp/ip What is osi model
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TCP/IP is a set of protocols used for communication between devices on the internet. OSI model is a conceptual framework for network communication.
• TCP/IP stands for Transmission Control Protocol/Internet Protocol

• It is a set of protocols that govern communication between devices on the internet

• TCP is responsible for ensuring reliable transmission of data while IP is responsible for routing the data to its destination

• OSI...read more
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Q2. Tell me about yourself
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Q1. What is Ss7 and charging flow
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SS7 (Signaling System 7) is a set of telecommunication protocols used to set up and manage phone calls in a network. Charging flow refers to the process of billing customers for services rendered.
• SS7 is a signaling protocol used in telecommunication networks to establish connections and exchange information between network elements.

• Charging flow involves tracking usage of services by customers and generating bills acco...read more
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Q1. Python coding and postgres
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Q1. Total 10 year experience 5 year experience in airtel technical support & team leader
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Q2. Fiver year experience in airtel
Ans. 
I do not have five years of experience in Airtel.
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