Term 691
Network Interface Card
A Network Interface Card (NIC) is a hardware component that allows a computer or device to connect to a network and communicate with other devices.
Acronym study
Terms 691–720 of 1222 SK0-005 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 691
A Network Interface Card (NIC) is a hardware component that allows a computer or device to connect to a network and communicate with other devices.
Term 692
A Network Load Balancer is a cloud service that automatically distributes incoming network traffic across multiple servers to ensure applications remain fast, available, and secure.
Term 693
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 694
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 695
Network security is the practice of protecting a computer network from unauthorized access, misuse, malfunction, modification, destruction, or improper disclosure, ensuring the confidentiality, integrity, and availability of data and resources.
Term 696
A Network Security Group is a set of rules that controls inbound and outbound traffic to Azure resources like virtual machines and subnets.
Term 697
Network segmentation is the practice of dividing a computer network into smaller, isolated parts to improve performance, contain security threats, and simplify management.
Term 698
Network Time Protocol (NTP) is a networking protocol that synchronizes the clocks of computers and devices over a network to a common reference time source, typically Coordinated Universal Time (UTC).
Term 699
Network Time Security (NTS) is a protocol that secures time synchronization between devices by authenticating time servers and encrypting time data.
Term 700
Network topology is the physical or logical arrangement of devices, cables, and data paths in a computer network.
Term 701
Network troubleshooting is the systematic process of identifying, diagnosing, and resolving problems in a computer network to restore normal operation.
Term 702
Network Watcher is a monitoring and diagnostics service used in cloud environments to track network traffic, detect issues, and analyze performance between virtual machines and other resources.
Term 703
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 704
Network File System (NFS) is a protocol that allows a computer to access files over a network as if they were on its own local hard drive.
Term 705
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 706
NFV virtualizes network services like firewalls and routers, decoupling them from proprietary hardware to run as software on standard servers.
Term 707
A Next-Generation Firewall is a security device that inspects network traffic deeply, beyond just IP addresses and ports, to block modern threats like malware and intrusions.
Term 708
A NIC is a hardware component that connects a computer to a network, enabling communication over wired or wireless media.
Term 709
Nikto is an open-source web server scanner that tests for potentially dangerous files, outdated server software, and configuration issues.
Term 710
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 711
NLB (Network Load Balancer) is a networking device or software that distributes incoming network traffic across multiple servers to ensure high availability, scalability, and reliability.
Term 712
Nmap is a network scanning tool used to discover hosts, services, and operating systems on a computer network.
Term 713
Nmap scanning is a method used to discover devices running on a network and find open ports, services, and security weaknesses.
Term 714
Node Affinity is a set of rules used by Kubernetes to determine which nodes a pod can be scheduled on, based on labels assigned to the nodes.
Term 715
Node failure troubleshooting is the process of identifying, diagnosing, and resolving issues when a worker node in a Kubernetes cluster becomes unavailable or unhealthy.
Term 716
A Kubernetes admission controller that limits what a kubelet can modify on its own node to prevent privilege escalation and unauthorized access.
Term 717
A northbound API is an interface that allows higher-level software components, such as network management or orchestration platforms, to communicate with and control lower-level network devices like switches and routers.
Term 718
An NS (Name Server) record delegates a DNS zone to a specific authoritative name server for that domain.
Term 719
NSG flow logs are records of IP traffic flowing through an Azure Network Security Group, used for monitoring, analysis, and troubleshooting network security.
Term 720
nsswitch (Name Service Switch) is a configuration file in Unix-like operating systems that determines which databases and services are consulted to resolve system information like user names, group memberships, and hostnames.