Network Devices and Protocols

These flashcards cover key concepts related to networking devices, IP addresses, protocols, and remote access.

Media Access Control (MAC) Address

A globally unique identifier for each networking device.

IP Address

A temporary identifier for each network interface that must be unique among connected devices.

IPv4

The 4th version of the Internet protocol that uses 32-bit addresses, which have largely exhausted.

IPv6

The latest version of the Internet protocol that provides a vast number of unique IP addresses using 128-bit addresses.

Subnet Mask

Used to determine which part of an IP address identifies the network and which part identifies the host.

Private IP Address

Addresses used by multiple organizations that are not routed on the Internet backbone.

Public IP Address

A unique address in the entire world that must be used to access the internet.

Network ID

Identifies the Local Area Network (LAN) in an IP address.

Loopback Address

Used to test a device's network interface, typically 127.0.0.1.

Telnet

A protocol for remote access that sends data in plain text, making it insecure.

SSH (Secure Shell)

A protocol that provides encrypted command line access to remote devices.

RDP (Remote Desktop Protocol)

A protocol that allows graphical interface access to Windows computers.

UDP (User Datagram Protocol)

A transport layer protocol used for fast file transfers.

VPN (Virtual Private Network)

Masks your IP and protects data from eavesdropping.

Remote Access

The ability to access a computer or network from a different physical location.

Network Address Translation (NAT)

Allows devices with a Private IP to access the internet by using a public address.