Term 511
PaaS
Platform as a Service (PaaS) is a cloud computing model that provides a managed platform for developers to build, run, and manage applications without dealing with the underlying infrastructure.
Acronym study
Terms 511–540 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 511
Platform as a Service (PaaS) is a cloud computing model that provides a managed platform for developers to build, run, and manage applications without dealing with the underlying infrastructure.
Term 512
A packet is a small unit of data that is sent over a network, containing both the actual data and control information for delivery.
Term 513
Packet loss is the failure of one or more data packets to reach their destination across a network, resulting in missing or incomplete data transfers.
Term 514
A Personal Area Network is a small network used for connecting devices close to one person, usually within a range of about 10 meters.
Term 515
A paper jam is a printer malfunction where paper gets stuck inside the device, preventing normal printing operations.
Term 516
Partner Interconnect is a Google Cloud service that allows you to connect your on-premises network to Google Cloud through a supported third-party service provider.
Term 517
A set of rules designed to enhance computer security by encouraging users to create strong, secure passwords and store them properly.
Term 518
A short, flexible cable used to connect electronic devices to each other or to a network, often temporarily or for testing.
Term 519
PCI (Peripheral Component Interconnect) is a standard bus interface used in computers to connect hardware devices like graphics cards, network adapters, and storage controllers to the motherboard.
Term 520
PCI Express (PCIe) is a high-speed interface standard that connects components like graphics cards, SSDs, and network cards to a computer's motherboard.
Term 521
PCL (Printer Command Language) is a page description language developed by Hewlett-Packard that tells a printer how to format and print text and graphics on a page.
Term 522
A PDU (Protocol Data Unit) is the unit of data at a specific layer of the OSI or TCP/IP model, containing both header and payload information as it travels across a network.
Term 523
Peripheral Component Interconnect (PCI) is a standard slot and bus system inside a computer that allows you to connect expansion cards like network cards, sound cards, and graphics cards to the motherboard.
Term 524
PCI Express (PCIe) is a high-speed expansion bus standard that connects internal hardware components like graphics cards, SSDs, and network adapters to a computer's motherboard.
Term 525
Any external hardware component that connects to a computer to add or enhance functionality, such as input, output, or storage capabilities.
Term 526
Persistent Disk is a durable, high-performance block storage service for Google Cloud virtual machines that retains data even after the VM is shut down or deleted.
Term 527
A Personal Area Network (PAN) is a small network that connects devices within a person's immediate workspace, typically within a range of about 10 meters.
Term 528
A personal computer is a general-purpose computing device designed for individual use, running operating systems like Windows, macOS, or Linux.
Term 529
A Personal Identification Number (PIN) is a short numeric code used to verify a user's identity before granting access to a system, device, or account.
Term 530
Personal Identity Verification, or PIV, is a US federal government standard for using smart cards to securely verify a person's identity for access to physical and digital resources.
Term 531
PHI stands for Protected Health Information, which is any health data that can identify an individual and is protected by the Health Insurance Portability and Accountability Act (HIPAA).
Term 532
Phishing is a type of cyber attack where criminals impersonate legitimate organizations or individuals to trick victims into revealing sensitive information such as passwords, credit card numbers, or personal data.
Term 533
A physical volume is a storage device or partition that is initialized for use by a volume manager, allowing it to be combined into logical storage pools.
Term 534
A rubber roller inside a printer that grabs a single sheet of paper from the paper tray and moves it into the printing path.
Term 535
PII stands for Personally Identifiable Information, which is any data that can be used to identify a specific individual.
Term 536
Ping is a network utility used to test whether a remote computer or device is reachable across an IP network and to measure the round-trip time of data packets.
Term 537
A point-to-point link is a direct communication connection between two devices or network nodes that allows them to exchange data without passing through any other intermediate device.
Term 538
Point-to-point OSPF is a network configuration where Open Shortest Path First routing protocol operates over a direct link between exactly two routers, treating the link as a simple connection without the need for a designated router or backup designated router.
Term 539
A networking protocol that creates a secure tunnel for data to travel between two points over the internet, often used for VPNs.
Term 540
A DNS pointer record (PTR) maps an IP address to a domain name, performing the reverse of a standard A or AAAA record.