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Orange Business L2 Network Engineer Interview Questions, Process, and Tips
Orange Business L2 Network Engineer Interview Experiences
1 interview found
karan modi
I applied via Company Website and was interviewed before Nov 2020. There was 1 interview round.
Interview Questionnaire
9 Questions
- Q1. What is network ?
- Ans.
A network is a group of interconnected devices that communicate with each other to share resources and information.
Networks can be wired or wireless
They can be local (LAN) or wide area (WAN)
They use protocols such as TCP/IP to facilitate communication
Examples include the internet, corporate networks, and home networks
- Q2. What is basic steps of network troubleshooting ?
- Ans.
The basic steps of network troubleshooting involve identifying the problem, gathering information, isolating the issue, testing solutions, and implementing fixes.
Identify the problem by gathering information from the user or monitoring tools
Isolate the issue by checking connectivity, configurations, and logs
Test potential solutions by implementing changes or using diagnostic tools
Implement fixes by applying changes to ...
- Q3. What is vlan ? how many types of vlan ?
- Ans.
VLAN stands for Virtual Local Area Network. It is a logical grouping of devices on a network based on function, project, or application.
VLANs allow network administrators to segment a network into smaller, more manageable groups.
Each VLAN is a separate broadcast domain, which means that broadcasts sent by a device in one VLAN are not seen by devices in other VLANs.
There are two types of VLANs: port-based VLANs and tag-...
- Q4. What is stp ? what is port fast in stp ?
- Ans.
STP stands for Spanning Tree Protocol. Port Fast is a feature in STP that allows a port to bypass the listening and learning states.
STP is a protocol used to prevent loops in a network by blocking redundant paths
It works by electing a root bridge and calculating the shortest path to it
Port Fast is a feature that allows a port to immediately transition to forwarding state, bypassing the listening and learning states
It i...
- Q5. What is ospf ? explain types of packet in ospf ?
- Ans.
OSPF is a routing protocol used in IP networks to distribute IP routing information.
OSPF stands for Open Shortest Path First
It is a link-state routing protocol
OSPF packets include Hello, Database Description, Link State Request, Link State Update, and Link State Acknowledgement
Hello packets are used to establish and maintain neighbor relationships
Database Description packets are used to exchange information about the c...
- Q6. What is router ?
- Ans.
A router is a networking device that forwards data packets between computer networks.
Routers operate at the network layer of the OSI model.
They use routing tables to determine the best path for data to travel.
Routers can connect different types of networks, such as LANs and WANs.
Examples of routers include Cisco, Juniper, and TP-Link.
Routers can provide security features such as firewalls and VPNs.
- Q7. What is difference between L2 and L3 Switch ?
- Ans.
L2 switches operate at the data link layer and L3 switches operate at the network layer.
L2 switches forward traffic based on MAC addresses while L3 switches forward traffic based on IP addresses.
L2 switches are simpler and less expensive than L3 switches.
L3 switches can perform routing functions and support multiple VLANs while L2 switches cannot.
L3 switches are used in larger networks where routing and VLANs are neces...
- Q8. What is firewall ?
- Ans.
A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Firewall acts as a barrier between a trusted internal network and an untrusted external network.
It filters network traffic based on IP addresses, ports, protocols, and other criteria.
Firewalls can be hardware-based or software-based.
They can be configured to allow or block speci...
- Q9. What is policy ? what is basic step to create policy ?
- Ans.
Policy is a set of rules or guidelines that dictate how a network should be managed and used.
Identify the purpose of the policy
Define the scope of the policy
Determine the target audience
Create the policy document
Communicate the policy to all stakeholders
Enforce the policy and regularly review and update it
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
Anonymous
I applied via Approached by Company and was interviewed in Nov 2023. There was 1 interview round.
(5 Questions)
- Q1. What is use of routing and its uses?
- Ans.
Routing is the process of selecting the best path for network traffic to reach its destination.
Routing helps in directing network traffic efficiently
It determines the best path for data packets to travel from source to destination
Routing protocols like OSPF, BGP, and EIGRP are used to exchange routing information
Routing tables are used to store information about network paths
Dynamic routing adjusts to network changes a
- Q2. What is IPS? How does it work?
- Ans.
IPS stands for Intrusion Prevention System. It is a network security technology that monitors network traffic to detect and prevent malicious activities.
IPS is a network security technology that monitors network traffic in real-time.
It can detect and prevent malicious activities such as hacking attempts, malware infections, and denial-of-service attacks.
IPS works by analyzing network packets, comparing them to a databa...
- Q3. Firewall works at what layer?
- Ans.
Firewall works at the network layer.
Firewall operates at the network layer of the OSI model.
It filters and controls incoming and outgoing network traffic based on predetermined security rules.
Examples of firewalls include hardware firewalls, software firewalls, and cloud-based firewalls.
- Q4. Define firewall generations and their roles
- Ans.
Firewall generations refer to the evolution of firewall technology and their roles in network security.
First generation firewalls - packet filtering based on IP addresses and ports
Second generation firewalls - stateful inspection and improved security features
Third generation firewalls - application layer filtering and deep packet inspection
Fourth generation firewalls - next-generation firewalls with advanced threat pr...
- Q5. What is IP Spoofing?
- Ans.
IP Spoofing is a technique where an attacker impersonates another device by falsifying IP address in order to gain unauthorized access.
IP Spoofing involves manipulating the source IP address in a packet to deceive the recipient.
It is commonly used in DDoS attacks to hide the true source of the attack traffic.
Prevention methods include implementing ingress and egress filtering on network devices.
Examples of tools used f
Interview Preparation Tips
- Routing and Switching
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Mar 2022. There were 4 interview rounds.
(1 Question)
- Q1. Tell me brief about yourself & what are the roles and responsibilities in day to day work profile? Questions from Nexus switch-- VPC? , steps to create vpc? Switch stacking? How does we can set MAC on ...
(3 Questions)
- Q1. What I carried from my current job and nexus switches questions.
- Q2. How I will achieve the IOS upgrade when only I have 10 minutes left in PE window??
- Ans.
Use pre-staged image and fast transfer methods to achieve IOS upgrade within 10 minutes.
Pre-stage the image on the device before the upgrade window
Use fast transfer methods like TFTP or FTP to transfer the image quickly
Ensure all necessary configurations are saved and backed up before the upgrade
Have a rollback plan in case of any issues during the upgrade
- Q3. Basic questions on my work and last can I do my job in night shifts?
(1 Question)
- Q1. What is my expectations and why
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed before Mar 2023. There was 1 interview round.
(2 Questions)
- Q1. About your experience
- Q2. In which field you doing work
I applied via Company Website and was interviewed in Jul 2024. There were 3 interview rounds.
(2 Questions)
- Q1. UST is good interviewer is not good
- Q2. Even we don't know the question atleast Interviewer required minimum patience .Iritating
(2 Questions)
- Q1. Basic question only OSPF
- Q2. Load balancer configuration
(2 Questions)
- Q1. OSPF, Load balancer
- Q2. Load balancing configuration
Interview Preparation Tips
(2 Questions)
- Q1. What is DNS please explain
- Ans.
DNS stands for Domain Name System, which translates domain names to IP addresses.
DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).
It helps users access websites by typing in easy-to-remember domain names instead of complex IP addresses.
DNS servers store records of domain names and their corresponding IP addresses, allowing for effi...
- Q2. What is DHCP please explain
- Ans.
DHCP stands for Dynamic Host Configuration Protocol, used to automatically assign IP addresses to devices on a network.
DHCP eliminates the need for manual IP address configuration on each device
It assigns IP addresses dynamically, allowing for efficient use of available addresses
DHCP servers lease IP addresses to devices for a specific period of time
DHCP also provides other network configuration information, such as su...
Skills evaluated in this interview
Network Administrator Interview Questions & Answers
Virtusa Consulting Services
Kanimozhi Stanislaus
posted on 8 Mar 2024
(4 Questions)
- Q1. DHCP working principles
- Ans.
DHCP assigns IP addresses to devices on a network automatically
DHCP server assigns IP addresses to devices on the network
DHCP clients request IP addresses from the DHCP server
DHCP uses a lease mechanism to manage IP address assignments
DHCP reduces the administrative burden of manually assigning IP addresses
- Q2. DNS working principles
- Ans.
DNS is a system that translates domain names to IP addresses to locate resources on the internet.
DNS resolves domain names to IP addresses
DNS operates through a distributed database system
DNS uses hierarchical structure with top-level domains like .com, .org, etc.
DNS queries are resolved through recursive and iterative processes
- Q3. Scenario based question DHCP
- Q4. Spanning tree protocol
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There was 1 interview round.
(2 Questions)
- Q1. Basics of networking
- Q2. 3 tier architecture
I applied via Newspaper Ad and was interviewed in Jul 2022. There were 2 interview rounds.
Coding test contains 2 questions
Interview Preparation Tips
L2 Network Engineer Interview Questions & Answers
NTT Data
Siddalingeshwara swamy M
posted on 4 Mar 2024
(2 Questions)
- Q1. 4g 5g volte kpi monitoring
- Q2. Hybrid technology
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Network Engineer
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