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Railtel Corporation Of India NOC Network Engineer L1 Interview Questions and Answers
Railtel Corporation Of India NOC Network Engineer L1 Interview Experiences
1 interview found
I was interviewed before Mar 2024.
(3 Questions)
- Q1. Can you briefing What is STP
- Q2. Why using etherchannel
- Q3. What is different between routing and switching
(2 Questions)
- Q1. Why we are using subnetting
- Q2. What is what and why we are using vlan
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Selected
I applied via Naukri.com and was interviewed before May 2022. There were 3 interview rounds.
Logical and reasoning.
(5 Questions)
- Q1. Routing and switching.
- Q2. How to configure bgp routing
- Ans.
BGP routing can be configured by setting up neighbor relationships, defining network prefixes, and applying routing policies.
Establish neighbor relationships using the neighbor command
Define network prefixes using the network command
Apply routing policies using the route-map command
Configure BGP attributes such as AS number and router ID
Use show commands to verify BGP configuration and troubleshoot issues
- Q3. How to troubleshoot stp configuration
- Ans.
To troubleshoot STP configuration, check for incorrect VLAN assignments, port configurations, and STP settings.
Verify that the correct VLANs are assigned to the correct ports.
Check that the root bridge is properly configured and that all switches are using the correct root bridge.
Ensure that portfast is not enabled on ports that connect to other switches.
Check for any blocked ports and investigate the reason for the bl...
- Q4. What is vtp configuration
- Ans.
VTP (VLAN Trunking Protocol) is a Cisco proprietary protocol that manages VLAN configurations across a network.
VTP allows for centralized management of VLANs and reduces the need for manual VLAN configuration on each switch.
VTP operates in three modes: server, client, and transparent.
In server mode, a switch can create, modify, and delete VLANs and propagate the changes to other switches in the same VTP domain.
In clien...
- Q5. What are load balancer.
- Ans.
Load balancers distribute network traffic across multiple servers to improve performance and availability.
Load balancers help distribute traffic to multiple servers to prevent overloading and improve performance.
They can also improve availability by redirecting traffic to healthy servers in case of failures.
Load balancers can be hardware or software-based, and can use different algorithms to distribute traffic.
Examples...
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Skills evaluated in this interview
Network Engineer Interview Questions & Answers
Sterlite Technologies
Anonymous
posted on 30 Aug 2024
(2 Questions)
- Q1. Technical routing switch and mpls or more questions
- Q2. What is bgp, bgp is exchanging the routing information and prefix amoung the as number, bgp is border getaway protocol
- Ans.
BGP (Border Gateway Protocol) is a routing protocol used to exchange routing information between different autonomous systems (AS).
BGP is used to exchange routing information and prefixes between different AS numbers.
BGP helps in determining the best path for data to travel between networks.
BGP operates on TCP port 179.
BGP uses attributes like AS path, next hop, and local preference to make routing decisions.
Example: B...
Skills evaluated in this interview
(2 Questions)
- Q1. Basics Electronics questions
- Q2. What is conductor, capacitor, resistor..
- Ans.
Conductor, capacitor, and resistor are basic components used in electronic circuits.
Conductor: Allows the flow of electric current. Example: Copper wire.
Capacitor: Stores and releases electrical energy. Example: Ceramic capacitor.
Resistor: Limits the flow of electric current. Example: Carbon film resistor.
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Selected
I applied via LinkedIn and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. On which layer are TCP adn UDP?
- Ans.
TCP is on the transport layer (Layer 4) and UDP is also on the transport layer (Layer 4).
TCP is a connection-oriented protocol that provides reliable data delivery. It operates on the transport layer (Layer 4) of the OSI model.
UDP is a connectionless protocol that provides faster data transmission but without guaranteed delivery. It also operates on the transport layer (Layer 4) of the OSI model.
- Q2. Tell me about OSI layer
- Ans.
The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.
The OSI model helps in understanding how data is transmitted over a network.
It starts from the physical layer (Layer 1) which deals with the actual physical connection between devices.
Each layer has specific functions and protocols, such as TCP/I...
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed before Jan 2024. There were 5 interview rounds.
(1 Question)
- Q1. Normal question
(1 Question)
- Q1. Profile question
(1 Question)
- Q1. Profile question
(2 Questions)
- Q1. Salary discussion
- Q2. Salary discussion
(1 Question)
- Q1. Offere letter release
Selected
I applied via Referral and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. Telecom related questions
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GOPINATH M
(1 Question)
- Q1. Technical questions such as VLAN, Routing and Firewalls
(1 Question)
- Q1. How the team collaboration to improve business.
(1 Question)
- Q1. Company details and salary negotiation.
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As a experienced, go through more technical and scenario based questions.
I applied via Campus Placement and was interviewed in Apr 2023. There were 4 interview rounds.
Aptitude questions from various topics
Two coding questions easy and medium
(3 Questions)
- Q1. 1 hr technical from your resume and problem solving
- Q2. 3 sum problem question
- Q3. Basics of networking
(1 Question)
- Q1. Explain why you come into software role
I applied via Naukri.com and was interviewed in Mar 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Thorough knowledge on networking like how TCP/IP works, TCP, IP packet header and each field importance, l2 and l3 protocols, Also some product level knowledge.
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Railtel Corporation Of India NOC Network Engineer L1 Interview Process
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Railtel Corporation Of India NOC Network Engineer L1 Reviews and Ratings
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Network Engineer
311
salaries
|  ₹0.9 L/yr - ₹5.7 L/yr |
|
Field Engineer
123
salaries
| ₹2 L/yr - ₹4.8 L/yr |
|
Graduate Engineer
90
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| ₹2.4 L/yr - ₹4.9 L/yr |
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58
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