Term 571
NFV
NFV virtualizes network services like firewalls and routers, decoupling them from proprietary hardware to run as software on standard servers.
Acronym study
Terms 571–600 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 571
NFV virtualizes network services like firewalls and routers, decoupling them from proprietary hardware to run as software on standard servers.
Term 572
A NIC is a hardware component that connects a computer to a network, enabling communication over wired or wireless media.
Term 573
nmcli is a command-line tool used in Linux to manage network connections, devices, and settings through NetworkManager.
Term 574
Non-repudiation is a security principle that ensures a party in a digital transaction cannot deny their involvement or the authenticity of their digital signature.
Term 575
Non-volatile Memory Express (NVMe) is a high-speed interface protocol that connects storage devices like SSDs directly to the CPU for much faster data transfer than older technologies like SATA.
Term 576
An NS (Name Server) record delegates a DNS zone to a specific authoritative name server for that domain.
Term 577
An NSG rule is a set of security rules in Microsoft Azure that controls whether network traffic is allowed or denied to and from Azure resources.
Term 578
Network Time Protocol is a networking protocol used to synchronize the clocks of computers and devices over a network to a common time reference.
Term 579
NTS (Network Time Security) is a cryptographic protocol that secures NTP time synchronization against tampering and delay attacks.
Term 580
A numbered ACL is an access control list on a router or firewall that uses a number to identify the list and define rules for permitting or denying traffic based on source and destination IP addresses, ports, and protocols.
Term 581
NVMe (Non-Volatile Memory Express) is a high-speed storage protocol that allows solid-state drives to communicate directly with a computer's CPU, dramatically improving data transfer speeds compared to older storage interfaces.
Term 582
OCSP (Online Certificate Status Protocol) is a method used to check whether a digital certificate is still valid or has been revoked in real time.
Term 583
Offline files are copies of network files stored locally on a device so they remain accessible even when the network is unavailable.
Term 584
OIDC federation is a method that lets users log into multiple applications or services using a single identity from a trusted provider, based on the OpenID Connect protocol.
Term 585
OneDrive is Microsoft’s cloud storage service that lets you store, sync, and share files online across devices.
Term 586
OOB (Out-of-Band Management) is a method of managing network devices using a dedicated, separate network path that does not carry production traffic.
Term 587
The Open Systems Interconnection (OSI) model is a conceptual framework used to understand how data travels from one computer to another across a network.
Term 588
Operational excellence is the ability to run systems reliably, efficiently, and securely while constantly improving processes and responding to changes.
Term 589
Operational Expenditure (OpEx) is the ongoing cost for running a business, like paying for cloud services monthly instead of buying hardware upfront.
Term 590
An optical drive is a hardware component that reads and writes data on optical discs like CDs, DVDs, and Blu-ray discs using a laser beam.
Term 591
An Optical Network Terminal (ONT) is a device that connects your home or office to the internet service provider's fiber optic network, converting light signals into electrical signals your devices can use.
Term 592
An Organic Light-emitting Diode (OLED) is a display technology that uses organic compounds to emit light when an electric current passes through them, enabling thin, flexible, and energy-efficient screens with high contrast.
Term 593
An Organization is a top-level container in Google Cloud that represents your company or entities and serves as the root node for all your cloud resources, policies, and access control.
Term 594
Origin access control is a security mechanism that restricts access to a network, system, or resource based on the verified identity or attributes of the requesting entity.
Term 595
An Original Equipment Manufacturer (OEM) is a company that produces hardware components or complete systems that are sold under another company's brand name.
Term 596
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers, from physical hardware to application software.
Term 597
OSPF is a link-state routing protocol that uses the SPF algorithm to compute the shortest path to each destination within a single autonomous system.
Term 598
OSPF is a link-state routing protocol used to find the best path for data packets to travel across IP networks, like a smart GPS that recalculates routes when traffic changes.
Term 599
An OSPF adjacency is a logical neighbor relationship formed between two OSPF routers that have completed a series of hello and database exchange processes, enabling them to share routing information and maintain a consistent view of the network topology.
Term 600
An OSPF area is a logical grouping of routers and networks within an OSPF routing domain, used to control routing traffic and improve scalability.