CompTIA Network+ N10-008 Course Notes

These flashcards cover key concepts from Professor Messer's CompTIA Network+ N10-008 course notes, including definitions and explanations essential for the exam.

OSI Model

A conceptual framework used to understand and standardize the functions of a networking system in seven layers.

MAC Address

A unique identifier assigned to network interfaces for communications at the data link layer of a network.

DHCP

Dynamic Host Configuration Protocol used to automatically assign IP addresses and other network configurations to devices on a network.

Subnetwork

A segmented piece of a larger network that allows for easier management and better performance.

WLAN

Wireless Local Area Network that allows devices to connect and communicate wirelessly within a limited area.

VLAN

Virtual Local Area Network that segments a physical network into logical sub-networks for better traffic management.

NAT

Network Address Translation, a methodology to remap an IP address space into another by modifying network address information.

TCP

Transmission Control Protocol, a core protocol of the Internet Protocol Suite that enables reliable communication over a network.

UDP

User Datagram Protocol, a communication protocol that allows for connectionless communication and is often used in streaming and gaming.

Ethernet

A network technology commonly used for local area networking, characterized by its methods of framing and error handling.

IP Address

A unique numeric identifier assigned to each device connected to a network that uses the Internet Protocol for communication.

Social Engineering

Manipulative tactics used to deceive individuals into divulging confidential or personal information.

Firewalls

Network security devices that monitor and control incoming and outgoing network traffic based on predetermined security rules.

Network Redundancy

The inclusion of additional or backup components such as servers, devices, or network links to maintain network availability.

DNS

Domain Name System, a system that translates human-friendly domain names into IP address numerical identifiers.

Bandwidth

The maximum rate of data transfer across a network path measured in bits per second.