Networking and IT Concepts

Front

IP Address

Back

A unique string of numbers separated by periods that identifies each computer using the Internet Protocol to communicate over a network.

Front

Subnet Mask

Back

A 32-bit number that divides an IP address into network and host parts, used to determine what subnet an IP address belongs to.

Front

Default Gateway

Back

A node in a computer network that serves as the forwarding host to other networks when no other route specification matches the destination IP address of a packet.

Front

DNS (Domain Name System)

Back

A hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network.

Front

DHCP (Dynamic Host Configuration Protocol)

Back

A network management protocol used to automate the process of configuring devices on IP networks, allowing them to use network services such as DNS, NTP, and any communication protocol based on UDP or TCP.

Front

MAC Address

Back

A unique identifier assigned to a network interface controller for use as a network address in communications within a network segment.

Front

LAN (Local Area Network)

Back

A computer network that interconnects computers within a limited area such as a residence, school, laboratory, or office building.

Front

WAN (Wide Area Network)

Back

A telecommunications network that extends over a large geographic area for the primary purpose of computer networking.

Front

VPN (Virtual Private Network)

Back

A service that encrypts your internet traffic and protects your online identity by creating a private network from a public internet connection.

Front

Firewall

Back

A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.