A WAN in general is a network of local area networks (LANs) that link to other LANs via telephone lines and radio waves. WAN connections can include both wired and wireless technologies. Wired WAN services include carrier Ethernet, commercial broadband Internet links, etc., whereas wireless WAN technologies include cellular data ... Read More

The process of turning plain text into an encrypted form (cipher text) is known as encryption. Sensitive data is transmitted in an encrypted form so that it can be protected and a strong encryption mechanism ensures that the data is not misused even if a hacker gets hold of it. ... Read More

Connection-oriented and Connection-less Services are used to establish connections between two or more devices. Connection-oriented Services A connection-oriented service is one that establishes a dedicated connection between the communicating entities before data communication commences. It is modeled after the telephone system. To use a connection-oriented service, the user first ... Read More

Spoofing is an identity theft where a person tries to use the identity of a legitimate user. Phishing, on the other hand, is a phenomenon where an attacker employs social engineering methods to steal sensitive and confidential information from a user. Spoofing and phishing are both forms of ... Read More

Both Routers and Modems are network connecting devices. Routers work at the network layer and are responsible to find the shortest path for a packet, whereas Modems connect a device like desktop, laptop to the Internet. Routers connect devices across multiple networks. Read through this article to find out ... Read More

Both Routers and Gateways are network connecting devices. Routers work at the network layer and are responsible to find the shortest path for a packet. Routers connect devices across multiple networks. Gateways, in contrast, function as a node that serves as a gateway to a network's other nodes. Read through ... Read More

Both Routers and Bridges are network connecting devices. Routers work at the network layer and are responsible to find the shortest path for a packet, whereas Bridges connect various devices in a network. Routers connect devices across multiple networks. Read through this article to find out more about routers and ... Read More

A Metropolitan Area Network (MAN) is a medium-sized network but it covers a larger area than a LAN. It often covers multiple cities or towns. In contrast, a Wide Area Network (WAN) is a much larger network than LAN and MAN. A WAN in general is a network of local ... Read More

LANs are privately owned and span a smaller geographical area (restricted to a few kilometers). It can be used in various settings, including offices, residences, hospitals, and schools. The setup and management of a LAN is quite straightforward. Just like a traditional wired LAN in which the connected devices ... Read More

As an analogy, we can think of connection-oriented services as telephone systems, where a connection needs to be established between a sender and a receiver before they can exchange data. In contrast, connection-less services are like traditional postal systems where data exchange can take place between a sender and a ... Read More