Term 541
Network Access Analyzer
A Network Access Analyzer is a security tool that monitors and analyzes who and what is trying to connect to a network, checking for unauthorized access and policy violations.
Acronym study
Terms 541–570 of 956 220-1102 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 541
A Network Access Analyzer is a security tool that monitors and analyzes who and what is trying to connect to a network, checking for unauthorized access and policy violations.
Term 542
Network Access Control is a security solution that enforces policies to control which devices and users can connect to a network, ensuring only authorized and compliant endpoints gain access.
Term 543
A Network ACL is a virtual firewall that controls inbound and outbound traffic at the subnet level in a cloud network, acting as a stateless packet filter.
Term 544
Network as a Service (NaaS) is a cloud-based model where you rent networking capabilities like routers, firewalls, and bandwidth from a provider instead of buying and managing the hardware yourself.
Term 545
Network Functions Virtualization (NFV) is a way to replace specialized hardware network devices with software running on standard servers to make networks more flexible and cheaper to manage.
Term 546
Network monitoring is the practice of continuously observing a computer network for issues like slow performance, failures, or security threats to keep it running smoothly and reliably.
Term 547
A network perimeter is the boundary between an organization's internal trusted network and external untrusted networks like the internet, where security controls are deployed to protect internal assets.
Term 548
A network profile is a collection of settings that defines how a device connects to and behaves on a specific type of network, such as public, private, or domain networks.
Term 549
Network segmentation is the practice of dividing a computer network into smaller, isolated parts to improve performance, contain security threats, and simplify management.
Term 550
Network telemetry is the automated process of collecting, transmitting, and analyzing data from network devices to monitor performance, detect issues, and improve security in real time.
Term 551
Network Time Security (NTS) is a protocol that secures time synchronization between devices by authenticating time servers and encrypting time data.
Term 552
New Technology File System (NTFS) is a modern file system developed by Microsoft that controls how data is stored, organized, and accessed on Windows-based hard drives and other storage devices.
Term 553
nftables is a modern Linux kernel packet classification framework that replaces the older iptables, ip6tables, arptables, and ebtables tools for configuring network packet filtering, NAT, and firewall rules.
Term 554
The NIST Cybersecurity Framework is a set of voluntary guidelines, standards, and best practices created by the National Institute of Standards and Technology to help organizations manage and reduce cybersecurity risk.
Term 555
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 556
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 557
NTFS (New Technology File System) is a file system used by Windows to organize and control how data is stored, retrieved, and secured on a hard drive or SSD.
Term 558
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 559
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 560
OAuth abuse is the exploitation of the OAuth authorization framework by attackers to gain unauthorized access to user data or systems by manipulating tokens, redirects, or consent processes.
Term 561
In IT and cloud computing, an object is a discrete unit of data stored in a structure that pairs the data with its metadata and a unique identifier, enabling scalable access without a traditional folder hierarchy.
Term 562
Offline files are copies of network files stored locally on a device so they remain accessible even when the network is unavailable.
Term 563
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 564
An On-Demand Instance is a virtual server you can rent by the hour or second with no long-term commitment, paying only for what you use.
Term 565
A one-time password is a temporary, single-use code that authenticates a user for one login session or transaction.
Term 566
OneDrive is Microsoft’s cloud storage service that lets you store, sync, and share files online across devices.
Term 567
OpenSSH is a suite of tools that lets you securely connect to and manage remote computers over an unsecured network like the internet.
Term 568
An operating system (OS) is the core software that manages a computer's hardware and software resources, providing common services for computer programs.
Term 569
Operational excellence is the ability to run systems reliably, efficiently, and securely while constantly improving processes and responding to changes.
Term 570
Operational intelligence is the real-time analysis of IT system data to detect patterns, anomalies, and threats as they happen, enabling immediate action to protect systems and maintain performance.