CompTIA Network+ N10-009 (V9) Exam Acronyms Practice Test 5

An FQDN specifies a domain name's exact location in the DNS hierarchy, including hostname and full domain.

LLDP stands for Link Layer Discovery Protocol, a vendor-neutral protocol for discovering directly connected neighboring devices.

CDP (Cisco Discovery Protocol) is Cisco's proprietary protocol for discovering directly connected neighboring devices.

MIB stands for Management Information Base, a database of objects that can be queried or managed via SNMP.

ZTA (Zero Trust Architecture) assumes no implicit trust for any device or user, regardless of network location, requiring continuous verification.

EAPoL stands for Extensible Authentication Protocol over LAN, used to carry EAP authentication messages in 802.1X deployments.

NAC (Network Access Control) is a broad category of solutions, including 802.1X, that control which devices are permitted to connect to a network.

UTM stands for Unified Threat Management, a single appliance combining multiple security functions.

A WAF (Web Application Firewall) is specifically designed to filter and monitor HTTP traffic to and from a web application.

DoS stands for Denial-of-Service, an attack intended to make a resource unavailable to legitimate users.

A DDoS attack originates from many distributed sources simultaneously, distinguishing it from a traditional DoS attack.

CPU stands for Central Processing Unit, the primary component that executes instructions in a computer.

XML (Extensible Markup Language) structures data for exchange between systems, similar in purpose to JSON.

URL stands for Uniform Resource Locator, the address used to locate a resource on the web.

DR stands for Disaster Recovery, the process of planning for and recovering from major outages or disasters.

OSI stands for Open Systems Interconnection, the seven-layer reference model describing network communication functions.

VRF (Virtual Routing and Forwarding) allows multiple separate, isolated routing tables to coexist on the same router simultaneously.

VM stands for Virtual Machine, a software-based emulation of a physical computer.

WLAN stands for Wireless Local Area Network, a LAN using wireless connectivity instead of physical cabling.

RTP (Real-time Transport Protocol) delivers real-time audio and video data over IP networks, such as in VoIP calls.

VoIP stands for Voice over IP, carrying voice communications over an IP network instead of traditional phone lines.

MTU defines the largest size a single data frame or packet is allowed to be on a given network segment.

QoS stands for Quality of Service, prioritizing certain types of traffic over others on a network.

CLI is text-based configuration, GUI is visual interaction, API allows software-to-software data exchange, and VNC provides graphical remote desktop access.

BCP stands for Business Continuity Planning, preparing an organization to continue operating during and after a disruption.

AUP (Acceptable Use Policy) defines how employees are permitted to use company technology resources.

EOS stands for End-of-support, meaning the vendor no longer provides patches or technical support.

EOL (End-of-life) refers to a product no longer being manufactured or sold by the vendor.