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A VLAN (Virtual Local Area Network) is a network technology that allows for the segmentation of a physical network into multiple virtual networks.
VLANs help improve network security by isolating traffic between different groups of users.
They can also help optimize network performance by reducing broadcast traffic.
VLANs are commonly used in large organizations to separate departments or functions within the network.
Each...
DHCP stands for Dynamic Host Configuration Protocol, which is a network management protocol used to assign IP addresses automatically to devices on a network.
Automatically assigns IP addresses to devices on a network
Helps in managing and organizing network resources efficiently
Reduces the need for manual configuration of IP addresses
Prevents IP address conflicts
Examples: When a new device connects to a network, DHCP as...
My goals for the next year include obtaining a certification in cloud computing, improving my scripting skills, and implementing new security measures.
Obtain a certification in cloud computing (e.g. AWS Certified Solutions Architect)
Improve scripting skills in languages like Python or PowerShell
Implement new security measures to enhance network and data protection
I applied via Campus Placement and was interviewed in Nov 2022. There were 5 interview rounds.
This is the aptitude round in this round quant questions were asked
In this round 2 java coding questions were there
A framework is a set of rules, guidelines, and standards that provide a structure for developing software applications.
A framework provides a common structure for developers to work within
It includes pre-written code and libraries that can be used to speed up development
Frameworks can be specific to a programming language or platform
Examples include AngularJS, React, and Ruby on Rails
Java is a widely used programming language known for its platform independence and object-oriented approach.
Java is an object-oriented language that follows the 'write once, run anywhere' principle.
It is used for developing a wide range of applications, from desktop to web and mobile applications.
Java programs are compiled into bytecode that can run on any Java Virtual Machine (JVM).
It provides built-in libraries and f...
posted on 17 Feb 2025
I was interviewed before Feb 2024.
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 2 interview rounds.
Basic aptitude followed with english and reasoning
JIT stands for Just-In-Time compilation in Java. It dynamically compiles bytecode into machine code at runtime for improved performance.
JIT is a part of the Java Virtual Machine (JVM) that optimizes the execution of Java programs.
It analyzes the frequently executed parts of the bytecode and compiles them into native machine code.
This compilation happens at runtime, just before the code is executed, hence the name Just-...
The lifecycle of a thread in Java includes several stages from creation to termination.
A thread is created using the Thread class or implementing the Runnable interface.
The thread goes through the new, runnable, and blocked states before running.
Once running, the thread can be paused, resumed, or stopped.
Finally, the thread reaches the terminated state and cannot be restarted.
I applied via Naukri.com and was interviewed in Jul 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Nov 2020. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed in Dec 2018. There were 3 interview rounds.
Firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Firewall acts as a barrier between a trusted, secure internal network and another network, such as the Internet.
It examines each packet of data that passes through it and determines whether to allow or block the traffic based on the set of rules.
Firewalls can be hardware or softwa...
BGP attributes are used to determine the best path for routing traffic between networks.
BGP attributes include: AS Path, Next Hop, Local Preference, MED, Origin, and Community
AS Path is a list of autonomous systems that the route has passed through
Next Hop is the IP address of the next router on the path
Local Preference is used to indicate the preferred path for outbound traffic
MED (Multi-Exit Discriminator) is used to...
VPN stands for Virtual Private Network. It allows secure remote access to a private network over the internet.
VPN creates a secure and encrypted connection between the user's device and the private network.
It masks the user's IP address and location, providing anonymity and privacy.
VPN uses different protocols such as PPTP, L2TP, IPSec, and OpenVPN.
It can be used to access geographically restricted content, bypass cens...
Routing protocols are used to determine the best path for data to travel in a network.
Distance Vector protocols: RIP, IGRP, EIGRP
Link State protocols: OSPF, IS-IS
Hybrid protocols: BGP
Path Vector protocols: BGP
IGP vs EGP
VTP stands for VLAN Trunking Protocol, used to manage VLANs in a switched network.
VTP is a Cisco proprietary protocol.
It allows for easy VLAN management by propagating VLAN information across the network.
VTP operates in three modes: server, client, and transparent.
Server mode allows for VLAN creation, deletion, and modification.
Client mode receives and stores VLAN information.
Transparent mode forwards VTP messages but ...
Routers connect networks while firewalls protect networks from unauthorized access.
Routers direct traffic between networks while firewalls filter traffic based on predefined rules.
Routers operate at layer 3 of the OSI model while firewalls operate at layer 4 or higher.
Examples of routers include Cisco routers, while examples of firewalls include Fortinet firewalls.
Routers can be used to segment networks while firewalls...
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