Term 241
Index
An index is a data structure that speeds up data retrieval operations on a database table or file, much like a book index helps you find topics quickly.
Acronym study
Terms 241–270 of 595 Google PCA 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 241
An index is a data structure that speeds up data retrieval operations on a database table or file, much like a book index helps you find topics quickly.
Term 242
The Industrial Internet of Things (IIoT) is a network of physical devices, machines, and sensors in industrial settings that collect and exchange data over the internet to improve efficiency and safety.
Term 243
Ingress is a Kubernetes API object that manages external access to services within a cluster, typically via HTTP or HTTPS routing rules.
Term 244
An instance group is a collection of virtual machine instances that are managed as a single unit for scaling, load balancing, and lifecycle management in cloud computing.
Term 245
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 246
An instance template is a reusable configuration blueprint that defines the virtual machine settings, such as machine type, boot disk image, and network, for creating identical VM instances in Google Cloud Platform.
Term 247
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 248
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 249
A routing protocol used within large enterprise networks to exchange routing information between routers, helping data find the best path across the network.
Term 250
Internal Border Gateway Protocol (IBGP) is a version of BGP used to exchange routing information between routers within a single autonomous system (AS).
Term 251
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 252
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 253
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 254
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 255
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 256
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 257
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 258
A company that provides individuals and organizations access to the internet, typically for a fee.
Term 259
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 260
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 261
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 262
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 263
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 264
Jitter is the unwanted variation in the delay of data packet delivery over a network, causing inconsistent communication timing.
Term 265
A jump server is a secured, intermediary server that administrators use to access and manage other systems within a protected network zone.
Term 266
KMS (Key Management Service) is a Microsoft technology that automates volume licensing activation for Windows and Office products within an organization's network.
Term 267
A set of machines, called nodes, that work together to run and manage containerized applications using Kubernetes orchestration software.
Term 268
Labels are descriptive text or tags attached to IT resources to organize, identify, and manage them based on attributes like purpose, environment, or owner.
Term 269
Local Area Network — a network confined to a single physical location such as an office, building, or campus.
Term 270
Latency is the time delay between a request being sent over a network and the response being received, often measured in milliseconds.