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Networking Beginner

What is IP Address?

A unique numerical label assigned to each device on a computer network for identification and communication.

An IP (Internet Protocol) address uniquely identifies a device on a network. IPv4 uses 32-bit addresses (e.g., 192.168.1.1) providing about 4.3 billion addresses. IPv6 uses 128-bit addresses (e.g., 2001:db8::1) for virtually unlimited addresses.

IP addresses can be public (internet-facing) or private (local network). Private ranges include 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.

Related Terms

Bandwidth
The maximum rate of data transfer across a network connection, measured in bits per second.
CIDR Notation
A compact method for specifying IP addresses and their associated routing prefix using a slash followed by the prefix length.
Network Segmentation
The practice of dividing a network into isolated segments to improve security, performance, and management.
Network ACL
A set of rules that control inbound and outbound traffic at the subnet level, acting as a stateless firewall in cloud and enterprise networks.
DNS (Domain Name System)
A hierarchical naming system that translates human-readable domain names into IP addresses.
Reverse Proxy
A server that sits between clients and backend servers, forwarding client requests and returning server responses on their behalf.
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