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HCLTech L2 Network Engineer Interview Questions and Answers
5 Interview questions
BGP and OSPF are both routing protocols, but BGP is used for inter-domain routing while OSPF is used for intra-domain routing.
BGP is important in respect of OSPF because it allows for communication between different autonomous systems (AS)
BGP is used to exchange routing information between different AS, while OSPF is used within a single AS
BGP is used to determine the best path for traffic to take between differen...
BGP is used for routing between different autonomous systems, while IBGP is used for routing within the same autonomous system.
BGP (Border Gateway Protocol) is an exterior gateway protocol used for routing between different autonomous systems.
IBGP (Internal Border Gateway Protocol) is used for routing within the same autonomous system.
BGP is used to exchange routing information between different autonomous systems...
The best link of OMP route depends on the specific needs and requirements of the network.
Internet may be a better option for cost-effectiveness and flexibility, but MPLS may offer better reliability and security.
Consider factors such as bandwidth, latency, traffic volume, and application requirements.
Evaluate the pros and cons of each option before making a decision.
For example, if the network requires low latency...
TLOC in Viptela SDWAN stands for Transport Locator and is used to identify the physical or virtual location of a device in the network.
TLOC is a unique identifier assigned to each device in the SDWAN network.
It helps in determining the optimal path for traffic routing.
TLOCs can be based on various parameters such as interface, IP address, or VPN.
They are used to define the connectivity between different sites in t...
No, SVIs cannot be created in L2 switches.
SVI stands for Switched Virtual Interface.
It is a virtual interface that represents a VLAN on a Layer 3 switch.
L2 switches operate at Layer 2 of the OSI model and do not support routing or Layer 3 functionality.
SVIs are used for routing between VLANs, which is a Layer 3 function.
L2 switches can only create VLANs and assign ports to them for Layer 2 switching.
To enable Laye...
HCLTech L2 Network Engineer Interview Experiences
4 interviews found
Karmendra Kumar Bhatt
I appeared for an interview in Jul 2025, where I was asked the following questions.
- Q1. What is vtp and its types? What we do in case we prioritise the isp on a single router of two different isp ? What command we use to check neighbours?
- Q2. Please find on YouTube and google
Interview Preparation Tips
HCLTech HR Interview Questions
I applied via Referral and was interviewed in Mar 2022. There was 1 interview round.
(6 Questions)
- Q1. Technical Tricky questions
- Q2. Whay BGP is important in respect of OSPF
- Q3. What are differences betweeen BGP and IBGP
- Ans.
BGP is used for routing between different autonomous systems, while IBGP is used for routing within the same autonomous system.
BGP (Border Gateway Protocol) is an exterior gateway protocol used for routing between different autonomous systems.
IBGP (Internal Border Gateway Protocol) is used for routing within the same autonomous system.
BGP is used to exchange routing information between different autonomous systems (ASe...
- Q4. Can we create SVI in L2 switch? IF not why
- Ans.
No, SVIs cannot be created in L2 switches.
SVI stands for Switched Virtual Interface.
It is a virtual interface that represents a VLAN on a Layer 3 switch.
L2 switches operate at Layer 2 of the OSI model and do not support routing or Layer 3 functionality.
SVIs are used for routing between VLANs, which is a Layer 3 function.
L2 switches can only create VLANs and assign ports to them for Layer 2 switching.
To enable Layer 3 f...
- Q5. What is best link of OMP route Internet or MPLS?
- Q6. What is TLOC is Viptela SDWAN, why it is used
- Ans.
TLOC in Viptela SDWAN stands for Transport Locator and is used to identify the physical or virtual location of a device in the network.
TLOC is a unique identifier assigned to each device in the SDWAN network.
It helps in determining the optimal path for traffic routing.
TLOCs can be based on various parameters such as interface, IP address, or VPN.
They are used to define the connectivity between different sites in the ne...
Interview Preparation Tips
- Wireless Networking
- Riverbed
- Bgp
- OSPF
- SDWAN
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Sep 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. What is your day to day work in preparation organization How we can do the communication between L3 and L2 switch using VLAN Port numbers of DNS, TFTP, SSH, SNMP and etc Well known attributes of BGP Ho...
Interview Preparation Tips
Improve Pratical knowledge of Routing and Switching to clear the interview with ease
I appeared for an interview before Mar 2021.
(1 Question)
- Q1. Where do you see yourself in 5 years?
Interview Preparation Tips
What people are saying about HCLTech
Interview questions from similar companies
Interview Questionnaire
3 Questions
- Q1. Technical and communications get checking in this round
- Q2. Bgp, Cisco 4509 and 6510 series switches, supervisor engine and firewall
- Q3. Salary discussion and negotiation
Interview Preparation Tips
Experience: Technical skills
I applied via Naukri.com and was interviewed in Feb 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Tell me about yourself What is TCP/IP 3-way handshake Packet flow from Host A- Switch A - Router A --- Router B - Switch B - Host B......In short Total IP flow What is the last incident you got which is...
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.
(1 Question)
- Q1. Abouts OSPF,Vpc,Nexus
Interview Preparation Tips
(1 Question)
- Q1. Basic questions , about expected salary , work experience
(1 Question)
- Q1. Networking CCNA question, windows troubleshooting
(1 Question)
- Q1. Managerial interview question
Selected
I applied via Company Website and was interviewed before Nov 2023. There were 2 interview rounds.
(3 Questions)
- Q1. What's is tha SDN.
- Ans.
SDN stands for Software-Defined Networking, a technology that allows network administrators to manage network services through abstraction of lower-level functionality.
SDN separates the control plane from the data plane, allowing for centralized control of network traffic.
It enables network programmability, automation, and flexibility.
SDN can improve network performance, security, and scalability.
Examples of SDN techno...
- Q2. What's the Switch
- Q3. On which layer does OSI work
MCQ exam CCNA related questions
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed in May 2024. There was 1 interview round.
(5 Questions)
- Q1. What's the Switch? And which layer do work?
- Ans.
A switch is a networking device that operates at Layer 2 of the OSI model, handling data at the data link layer.
Switches forward data based on MAC addresses
Operate at Layer 2 of the OSI model
Used to create LANs and connect devices within a network
Helps reduce network congestion by only sending data to the intended recipient
- Q2. OSI layer what happens and what do you do
- Ans.
In the OSI model, each layer has specific functions and responsibilities in the communication process.
The OSI model consists of 7 layers, each with its own specific functions and responsibilities.
Each layer communicates with the adjacent layers to ensure data is properly transmitted.
For example, in the OSI model, Layer 1 (Physical layer) deals with the physical connection between devices, while Layer 2 (Data Link layer...
- Q3. What is the difference between a Router and a Switch
- Q4. VLAN what is happening
- Q5. What's the DNS ?
Interview Preparation Tips
Skills evaluated in this interview
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HCLTech L2 Network Engineer Reviews and Ratings
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