Term 361
IaaS
IaaS stands for Infrastructure as a Service, which means renting virtual computing resources like servers, storage, and networking from a cloud provider instead of buying and managing physical hardware yourself.
Acronym study
Terms 361–390 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 361
IaaS stands for Infrastructure as a Service, which means renting virtual computing resources like servers, storage, and networking from a cloud provider instead of buying and managing physical hardware yourself.
Term 362
Infrastructure as Code (IaC) manages and provisions IT infrastructure through machine-readable definition files, rather than manual hardware configuration.
Term 363
An IAM policy is a set of rules that determines who can access specific cloud resources and what actions they are allowed to perform.
Term 364
An IAM role is a set of permissions that an entity can assume temporarily to access cloud resources securely.
Term 365
iBGP (Internal Border Gateway Protocol) exchanges routing information between routers within the same autonomous system.
Term 366
iCloud is Apple's cloud storage and cloud computing service that lets users store data like photos, documents, and backups on remote servers and sync them across their Apple devices.
Term 367
ICMP is a network-layer protocol used by network devices to send error messages and operational information about network connectivity.
Term 368
ICMP is a network protocol used by devices to send error messages and operational information about network communication problems.
Term 369
An ICS is a system of networked devices used to monitor and control industrial processes, such as manufacturing or power generation.
Term 370
Idempotency means that an operation can be performed multiple times without changing the result beyond the first application.
Term 371
An IDF is a secondary telecommunications room in a building that connects floor or area network equipment back to the main equipment room.
Term 372
An IDS is a security system that monitors network or system traffic for suspicious activity and alerts administrators to potential threats, but does not actively block them.
Term 373
ifconfig is a command-line tool used to configure and display network interface parameters on Unix-like operating systems.
Term 374
IGMP manages multicast group membership between hosts and routers, enabling efficient one-to-many IP communication.
Term 375
IGP (Interior Gateway Protocol) is a routing protocol used to exchange routing information within a single autonomous system, such as a corporate network.
Term 376
IIoT (Industrial Internet of Things) connects industrial machines and sensors to networks for data collection, analysis, and automation in manufacturing, energy, and utilities.
Term 377
IIS is a Microsoft web server that hosts websites, web apps, and services using HTTP/HTTPS protocols on Windows servers.
Term 378
IIS (Internet Information Services) is Microsoft's web server software for hosting websites, web applications, and services on Windows Server.
Term 379
IKE (Internet Key Exchange) is a protocol used to set up a secure, authenticated communication channel between two parties by establishing and managing the Security Associations for IPsec.
Term 380
An image is a complete snapshot of a system's operating system, applications, and settings, used to deploy or restore computing environments quickly.
Term 381
An image backup is a complete, sector-by-sector copy of an entire storage device or partition, capturing the operating system, applications, settings, and all data exactly as they exist at the time of the backup.
Term 382
IMAP is an email retrieval protocol that keeps messages on the server, enabling access from multiple devices with synchronized state.
Term 383
Implicit deny is a security rule that automatically blocks any network traffic that is not explicitly allowed by an access control list or firewall rule.
Term 384
In-plane Switching (IPS) is a type of LCD screen technology that gives you wide viewing angles and accurate colors, making it ideal for professional work and exams that test display knowledge.
Term 385
An inbound ACL is a set of rules applied to network traffic entering an interface that decides whether to allow or block that traffic based on criteria like source IP, destination port, or protocol.
Term 386
Incident documentation is the practice of recording every detail of a cybersecurity or IT incident, from detection to resolution, to ensure accurate analysis, legal compliance, and process improvement.
Term 387
An incremental backup is a backup method that only copies data that has changed since the last backup, whether that last backup was full or incremental.
Term 388
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 389
Information Technology eXtended (ITX) is a family of small-form-factor motherboard specifications developed by VIA Technologies for compact and low-power computer systems.
Term 390
Infrared (IR) is a type of wireless communication that uses light waves just below visible red light to send data or control devices over short distances.