VPN
VPN -Virtual Private Network What is VPN? Simply put, the Virtual Private Network (VPN) enables users to connect to the Internet via an encrypted channel and provides secure data communications…
Free Cisco Certifications
Cisco Networking Academy is the program managed by Cisco. This is an online platform with numerous number of technological courses ranging from Networking to Programming. The platform offers a wide…
Network Troubleshooting
What is Network Troubleshooting? The Network Troubleshooting is the process of identifying the cause of the errors and determining the potential issue. Below is one of the most common errors…
Firewalls
What is a Firewall? Firewall is the system that provides security by monitoring the incoming and outgoing traffic bound by a set of rules. These rules are also known as…
IP Address Classes
Classes of the IP Address:- Before moving on to defining the classes of the IP addresses, let’s see IPv4. IP Address is in binary format(1.e 0 or 1) and the…
IP Address Types
There different types of IP addresses and each are explained :- Uni-cast IP Address:- As the name suggests it one time destination only address. When we send a data packets/frames…
IP Addressing
The Entire IP Addressing Explained:- What is an IP Address? IP address –>Logical Address The operation is in Network Layer Network Layer operates on the logical addressing method to find…
Network Switch
What is a Switch?What are it functions? Intelligent device Communicate through MAC address table Each port works on a fixed band-width Duplex Communication Communication works on flooding and unicast MAC…
Routers
What is a Router and its functions? Networking device used for communication between different networks. Intelligent device Uses logical addressing for communication Types of Routers? 1.Fixed Routers These routers are…
LAN, MAN and WAN
LAN(Local Area Network):- Connects within a limited area Offers less coverage area EX:-Office Building MAN(Metropolitan Area Network):- Connects devices in different locations over a certain radius Span the entire city…