Term 331
inode
An inode is a data structure in a Unix-like file system that stores metadata about a file, such as its size, permissions, and location on disk, but not its name.
Acronym study
Terms 331–360 of 826 220-1201 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 331
An inode is a data structure in a Unix-like file system that stores metadata about a file, such as its size, permissions, and location on disk, but not its name.
Term 332
An input device is any hardware component that allows a user to send data, commands, or signals to a computer system.
Term 333
Instance store is temporary, block-level storage physically attached to a cloud virtual machine that provides high performance but loses all data when the instance is stopped or terminated.
Term 334
Inter-VLAN routing is the process of forwarding network traffic between different VLANs to enable communication across logically separated broadcast domains.
Term 335
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 336
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 337
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 338
A routing protocol used within large enterprise networks to exchange routing information between routers, helping data find the best path across the network.
Term 339
Internal Border Gateway Protocol (IBGP) is a version of BGP used to exchange routing information between routers within a single autonomous system (AS).
Term 340
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 341
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 342
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 343
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 344
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 345
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 346
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 347
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 348
A company that provides individuals and organizations access to the internet, typically for a fee.
Term 349
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 350
An inverter is a circuit in a mobile device's display assembly that converts DC power into AC power to light the backlight, typically in older LCD screens.
Term 351
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 352
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 353
An IP conflict occurs when two devices on the same network attempt to use the same IP address, causing communication disruptions.
Term 354
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 355
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 356
IPP (Internet Printing Protocol) is a network protocol that allows computers to send print jobs to printers over a network or the internet.
Term 357
IPv4 is the fourth version of the Internet Protocol, a set of rules that assigns unique numerical addresses to devices so they can communicate over networks like the internet.
Term 358
An IPv4 address is a unique 32-bit numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
Term 359
IPv6 is the most recent version of the Internet Protocol, designed to replace IPv4 by providing a vastly larger number of unique addresses and improved network features.
Term 360
An IPv6 address is a 128-bit numeric label used to identify a device on an Internet Protocol network, designed to replace IPv4 due to the exhaustion of available addresses.