Default gateway
A default gateway in a computer network is the device that serves as the routing node that a computer uses to send information to a […]
Articles by antony
Subnet masks and subnetting
A subnet mask is a number that distinguishes between the network portion and the host portion of an IP address, allowing for the creation of […]
Internet Protocol (IP) Addressing
IP addressing is a numerical labeling system that is used to identify devices and facilitate the routing of traffic across IP networks, such as the […]
Private vs public IP addressing
Private IP Addressing Private IP addresses are used within a private network such as a home or corporate network and are not routable on the […]
Key protocols and devices associated with layers in models (TCP and UDP)
Transmission Control Protocol (TCP) TCP is a communication standard that enables reliable, ordered, and error-free delivery of data between applications connected over a network. It […]
Open Systems Interconnection (OSI) Model
Purpose of OSI Model The Open Systems Interconnection (OSI) model provides a conceptual framework for understanding and standardising the functions of a digital communication system […]
Comparison between the Open Systems Interconnection (OSI) Model and the Department of Defence (DoD) transmission control protocol/internet protocol (TCP/IP) model
The OSI model has seven layers – Physical, Data Link, Network, Transport, Session, Presentation, and Application. Whereas the TCP/IP model has four layers – application, […]
Framework for Software Development
Investigate Phase Design Phase Develop Phase Evaluate Phase
Factors that affect network performance
Bandwidth Bandwidth is the maximum data transfer rate of a network connection over a period of time. Bandwidth is measured in bits per second (bps, […]
WiFi versions
WiFi, otherwise known at the 802.11 protocol, has had 18 versions. This page covers just four and compares the frequencies, theoretical bitrate, and security aspects. […]