Network+ Module 3 - Network Devices, Applications, & Functions

These flashcards cover key terms and concepts related to network devices, their functions, and applications, assisting with exam preparation.

Switch

A networking device that connects all network devices together on a local network. Typically done using only a MAC Address at Layer 2.

MAC Address

A unique physical address stored in a switch's table to direct data packets.

Router

A device that routes or forwards data from one network to another based on IP addresses.

Firewall

A security device designed to prevent unauthorized access to a private network.

Access Control List (ACL)

Rules on a router that define what data packets can enter or leave a network.

Intrusion Detection System (IDS) / Intrusion Protection System (IPS)

A tool that alerts a network admin of potential attacks.

Load Balancer

A device that evenly distributes data activity among multiple servers.

Quality of Service (QOS)

A feature that prioritizes bandwidth for certain applications and devices.