Acronym study
Terms 391–420 of 1033 N10-009 acronyms and key terms. Each entry includes a plain-English definition and a link to the full 800-word glossary page with exam context and practice questions.
Term 391
Infrastructure as code (IaC) is the practice of managing and provisioning IT infrastructure through machine-readable definition files, rather than through physical hardware configuration or interactive configuration tools.
Term 392
An input device is any hardware component that allows a user to send data, commands, or signals to a computer system.
Term 393
An inside global is the public, routable IP address that represents an internal private host when it communicates with devices on the internet.
Term 394
Inside local is the IP address assigned to a device on an internal private network before any Network Address Translation (NAT) is applied.
Term 395
Integrity is the assurance that data has not been altered or tampered with in an unauthorized way, preserving its accuracy and consistency from source to destination.
Term 396
Inter-VLAN routing is the process of forwarding network traffic between different VLANs to enable communication across logically separated broadcast domains.
Term 397
An interface is a point of connection or interaction between two systems, devices, or software components that allows them to exchange information or signals.
Term 398
An interface endpoint is a private IP address inside a Virtual Private Cloud that provides direct, secure access to supported AWS services without traversing the public internet.
Term 399
An Intermediate Distribution Frame (IDF) is a physical wiring closet or rack that connects and manages the cabling between a building's main telecommunications room and the end-user devices on a specific floor or area.
Term 400
A routing protocol used within large enterprise networks to exchange routing information between routers, helping data find the best path across the network.
Term 401
Internal Border Gateway Protocol (IBGP) is a version of BGP used to exchange routing information between routers within a single autonomous system (AS).
Term 402
An Internal Gateway Protocol is a routing protocol used to exchange routing information within a single autonomous system, such as a corporate network or an internet service provider's internal network.
Term 403
The International Organization for Standardization, or ISO, is an independent global body that creates and publishes voluntary standards to ensure quality, safety, and efficiency in products, services, and systems across many industries, including IT.
Term 404
An Internet gateway is a cloud networking component that provides a connection between a virtual private cloud (VPC) and the public Internet, enabling resources in the VPC to send and receive traffic to and from the Internet.
Term 405
IGMP is a communication protocol used by devices on a network to report their membership in multicast groups to nearby routers, enabling efficient group data delivery.
Term 406
Internet Mail Access Protocol (IMAP) is a standard email protocol that lets you read and manage emails stored on a mail server from multiple devices, keeping everything synchronized.
Term 407
The Internet of Things (IoT) is a network of physical devices, vehicles, appliances, and other objects embedded with sensors and software that connect to the internet to collect and exchange data.
Term 408
Internet Protocol (IP) is the set of rules that governs how data is addressed, routed, and sent from one device to another across networks, including the internet.
Term 409
Internet Protocol Address Management (IPAM) is the practice of planning, tracking, and managing the assignment and use of IP addresses on a network to ensure devices can communicate without conflict.
Term 410
A company that provides individuals and organizations access to the internet, typically for a fee.
Term 411
Inventory management is the process of tracking, organizing, and maintaining records of all hardware, software, licenses, and digital assets an organization owns, ensuring availability and compliance.
Term 412
IOPS measures how many input/output operations a storage device can perform per second, indicating its speed and responsiveness.
Term 413
IoT (Internet of Things) is a network of physical devices embedded with sensors and software to connect and exchange data over the internet.
Term 414
IP (Internet Protocol) is the set of rules that govern how data packets are sent and received between devices across networks, using unique addresses to identify each device.
Term 415
An IP address is a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
Term 416
A Cisco IOS command that forwards broadcast traffic from one subnet to a specific server on another subnet, allowing devices to obtain IP configuration or other services without needing a router or server on their local network.
Term 417
IP Source Guard is a network security feature that blocks IP address spoofing by verifying that each packet's source IP address matches an authorized binding assigned to that switch port.
Term 418
IPAM (IP Address Management) automates the planning, tracking, and management of IP address space on a network.
Term 419
An Intrusion Prevention System (IPS) is a network security device that monitors traffic in real time and automatically blocks threats before they reach your systems.
Term 420
IPsec is a suite of protocols used to secure Internet Protocol (IP) communications by encrypting and authenticating each IP packet in a data stream.