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APH Networks L2 Network Engineer Interview Questions, Process, and Tips
APH Networks L2 Network Engineer Interview Experiences
1 interview found
Anonymous
I applied via Walk-in and was interviewed in Nov 2020. There were 3 interview rounds.
Interview Questionnaire
7 Questions
- Q1. What is VLAN
- Ans.
VLAN stands for Virtual Local Area Network. It is a logical grouping of devices on a network based on their function, project or application.
VLANs allow network administrators to segment a network into smaller, more manageable groups.
Each VLAN has its own broadcast domain, which means that broadcasts are contained within the VLAN.
VLANs can be used to improve network security by isolating sensitive data or devices.
VLANs...
- Q2. What is STP ,How its work
- Ans.
STP stands for Spanning Tree Protocol. It is a network protocol that prevents loops in a network topology.
STP is used to prevent network loops by creating a logical tree structure of the network.
It works by selecting a root bridge and disabling redundant paths to prevent loops.
STP uses Bridge Protocol Data Units (BPDUs) to communicate with other switches and determine the best path to the root bridge.
STP has several va...
- Q3. Have you experience on monitoring tools
- Ans.
Yes, I have experience with monitoring tools.
I have experience with tools such as SolarWinds, Nagios, and PRTG.
I am familiar with setting up alerts and notifications based on specific thresholds.
I have used monitoring tools to troubleshoot network issues and identify performance bottlenecks.
I am comfortable creating custom dashboards and reports to provide visibility into network health.
I have experience with both on-p
- Q4. Ospf protocol
- Q5. Have you work on Height8
- Q6. Configuration of OLT
- Ans.
Configuration of OLT involves setting up VLANs, QoS, and port configurations.
Create VLANs and assign ports to them
Configure QoS policies for different traffic types
Set up port configurations such as speed and duplex mode
Enable link aggregation for high availability
Configure management interfaces for remote access
Implement security measures such as MAC filtering and port security
- Q7. Commands on Huawei switch
- Ans.
Huawei switches have a variety of commands for network configuration and management.
Basic commands include display, undo, and save.
Display commands show information about the switch's configuration and status.
Undo commands reverse previous configuration changes.
Save commands save the current configuration to the switch's memory.
Other commands include interface configuration, VLAN configuration, and routing configuratio...
Interview Preparation Tips
well dress up
Skills evaluated in this interview
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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
- Ans.
Routers operate at Layer 3 of the OSI model and make decisions based on IP addresses, while switches operate at Layer 2 and make decisions based on MAC addresses.
Routers operate at Layer 3 of the OSI model, while switches operate at Layer 2.
Routers make decisions based on IP addresses, while switches make decisions based on MAC addresses.
Routers connect different networks together, while switches connect devices within...
- Q4. VLAN what is happening
- Q5. What's the DNS ?
- 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) into IP addresses (like 172.217.3.206).
It helps users access websites by translating domain names into IP addresses that computers can understand.
DNS also helps with email delivery by translating domain names into IP addresses for mail serv...
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. How does a packet flow over the internet
- Ans.
A packet flows over the internet by being encapsulated in various network layers and routed through different devices.
Packet is created at the application layer with data and destination IP address
Packet is then encapsulated in a frame at the data link layer with source and destination MAC addresses
Frame is transmitted over physical medium to the next hop based on routing table
At each hop, the frame is decapsulated and...
- Q2. BGP route distributions
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jan 2024. There were 2 interview rounds.
C fibonacci series program asked, Area of interest, about any additional certification
(1 Question)
- Q1. Simple discussed about company and package
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
- Ans.
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 different AS,...
- 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?
- Ans.
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 and ...
- 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 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
(3 Questions)
- Q1. What is bgp and osfp
- Ans.
BGP (Border Gateway Protocol) and OSPF (Open Shortest Path First) are routing protocols used in computer networks.
BGP is an exterior gateway protocol used to exchange routing information between different autonomous systems.
OSPF is an interior gateway protocol used to determine the best path for data packets within an autonomous system.
BGP operates at the network layer and is commonly used in large-scale networks, such...
- Q2. Vlan and vtp difference
- Ans.
VLAN and VTP are both networking concepts, but they serve different purposes.
VLAN (Virtual Local Area Network) is used to logically divide a single physical network into multiple virtual networks.
VTP (VLAN Trunking Protocol) is a Cisco proprietary protocol used to manage VLAN configurations across a network of switches.
VLANs provide segmentation, security, and broadcast control, while VTP simplifies VLAN management by ...
- Q3. Day to day activities
(3 Questions)
- Q1. How much salary expected and current salary
- Q2. Why are change job
- Q3. Location mumbai are you interested
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Basic questions , about expected salary , work experience
(1 Question)
- Q1. Networking CCNA question, windows troubleshooting
(1 Question)
- Q1. Managerial interview question
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
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