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Tata Communications
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I applied via Referral and was interviewed in Jun 2021. There were 3 interview rounds.
SDH stands for Synchronous Digital Hierarchy, a standard for transmitting digital signals over optical fiber networks.
SDH is used for high-speed communication in telecommunications networks.
It is a standardized protocol for transmitting digital signals at different rates.
SDH is used to multiplex different signals onto a single fiber optic cable.
It provides a reliable and efficient way to transmit data over long distanc...
OTN stands for Optical Transport Network, a high-speed network technology used for transmitting large amounts of data over optical fibers.
OTN is a standardized protocol for optical networking
It uses wavelength division multiplexing (WDM) to increase bandwidth
OTN supports different types of traffic, including voice, video, and data
It provides features like error correction, fault management, and network resilience
OTN is...
BGP stands for Border Gateway Protocol. It is a routing protocol used to exchange routing information between different networks on the internet.
BGP is used to connect different autonomous systems (AS) on the internet.
It is a path-vector protocol that selects the best path for data to travel between networks.
BGP is used by internet service providers (ISPs) to connect to each other and exchange routing information.
It is...
I applied via Job Fair and was interviewed in Jul 2024. There was 1 interview round.
In my last year of graduation, I learned advanced topics in my field of study, completed a capstone project, and gained practical experience through internships.
Studied advanced courses related to my major
Completed a capstone project demonstrating my knowledge and skills
Gained practical experience through internships or co-op programs
Participated in research projects or thesis work
Attended seminars, workshops, and conf
Computer languages are used to communicate instructions to computers, allowing programmers to create software and applications.
Computer languages are used to write code that tells computers what to do.
There are different types of computer languages, such as high-level languages like Python and Java, and low-level languages like Assembly.
Each language has its own syntax and rules for writing code.
Some languages are more...
I applied via Recruitment Consulltant and was interviewed in Nov 2022. There were 2 interview rounds.
Floating routing is a technique used to route traffic between two networks without a direct physical connection.
It involves creating a virtual interface on each network and configuring them to communicate with each other.
This can be done using protocols such as GRE or IPsec.
Floating routing can be useful in scenarios where a direct physical connection is not possible or desirable, such as connecting two data centers.
Co...
Reverse lookup is the process of finding the hostname associated with a given IP address.
It is commonly used in network troubleshooting.
It can be performed using the 'nslookup' command in the command prompt.
Reverse lookup is the opposite of forward lookup, which finds the IP address associated with a given hostname.
Use alternative network troubleshooting methods like traceroute, netstat, nslookup, and checking firewall rules.
Use traceroute to identify the path taken by packets and locate any network issues.
Use netstat to check for open ports and connections.
Use nslookup to verify DNS resolution.
Check firewall rules to ensure they are not blocking traffic.
Use packet capture tools like Wireshark to analyze network traffic.
Check sys...
I applied via Referral and was interviewed before Nov 2022. There was 1 interview round.
Tata Communications interview questions for designations
I was interviewed before May 2022.
PSTN is a traditional telephone network that uses copper wires to transmit analog voice data.
PSTN stands for Public Switched Telephone Network
It is a circuit-switched network that uses analog signals
It is being replaced by digital networks like VoIP
Examples of PSTN services include landline phones and fax machines
An IP address is a unique numerical identifier assigned to every device connected to the internet.
IP stands for Internet Protocol
IP addresses are used to identify devices on a network
There are two types of IP addresses: IPv4 and IPv6
IPv4 addresses are 32-bit numbers and IPv6 addresses are 128-bit numbers
Example of IPv4 address: 192.168.0.1
Example of IPv6 address: 2001:0db8:85a3:0000:0000:8a2e:0370:7334
MAC stands for Media Access Control. It is a unique identifier assigned to network interfaces for communication.
MAC address is a 48-bit address assigned to network devices.
It is used to identify devices on a network.
MAC addresses are assigned by the manufacturer and cannot be changed.
MAC filtering is a security feature that allows or denies access to a network based on MAC addresses.
Example: 00:1A:2B:3C:4D:5E is a MAC
Get interview-ready with Top Tata Communications Interview Questions
I applied via Recruitment Consultant and was interviewed in Jun 2021. There were 3 interview rounds.
I applied via Referral and was interviewed in Dec 2019. There were 3 interview rounds.
I applied via Referral and was interviewed before Jul 2021. There were 2 interview rounds.
GD on general topic which completed successfully
I applied via Recruitment Consultant and was interviewed before Aug 2018. There were 3 interview rounds.
Network management involves designing and implementing a system to monitor and control a network's performance.
Designing a network management system involves identifying the network's components and their interconnections.
The system must be able to monitor network traffic, identify problems, and alert administrators.
Network management systems can be centralized or distributed, depending on the size and complexity of th...
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