Term 121
Network Load Balancer
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.
Acronym study
Terms 121–150 of 226 XK0-005 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 121
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 122
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 123
nmcli is a command-line tool used in Linux to manage network connections, devices, and settings through NetworkManager.
Term 124
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.
Term 125
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 126
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 127
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 128
An operating system (OS) is the core software that manages a computer's hardware and software resources, providing common services for computer programs.
Term 129
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 130
An Outbound ACL is a set of rules applied to traffic leaving a network interface that decides which packets are allowed to exit and which are blocked.
Term 131
An outcome is the measurable result of a service, process, or activity, often tied to business value and customer satisfaction.
Term 132
In IT service management, output is the result or deliverable produced by a process, system, or component, such as data, reports, or services delivered to a customer.
Term 133
An Outside global address is the publicly routable IP address assigned to a device on the external network (usually the internet) as seen from the perspective of a network device performing Network Address Translation (NAT).
Term 134
Outside local is the IP address that a device on the inside of a private network appears to have from the perspective of hosts located outside the network, typically after Network Address Translation (NAT) has been applied.
Term 135
Privileged Access Management (PAM) is a security framework that controls, monitors, and audits access to critical systems and accounts with elevated permissions.
Term 136
passwd is a command-line utility used on Linux and Unix-like systems to change a user's password, typically stored in an encrypted format in the /etc/shadow file.
Term 137
PAT (Port Address Translation) is a method of network address translation that maps multiple private IP addresses to a single public IP address by using different port numbers for each connection.
Term 138
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 139
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 140
A policy is a set of rules or guidelines that defines how an organization manages, secures, and operates its IT systems and services.
Term 141
PowerShell is a task automation and configuration management framework from Microsoft, consisting of a command-line shell and a scripting language built on the .NET framework.
Term 142
A PPA (Personal Package Archive) is a software repository used primarily on Ubuntu-based Linux systems to distribute and install packages not included in the official repository.
Term 143
Practice in IT service management refers to the repeated application of processes, procedures, and skills to improve efficiency, reduce errors, and maintain consistent service delivery.
Term 144
A documented set of step-by-step instructions for performing a specific task or handling a particular situation in an IT environment.
Term 145
In IT service management, a process is a structured set of activities designed to accomplish a specific objective, such as managing incidents or changes, by transforming inputs into defined outputs.
Term 146
Pvs (Physical Volume) is a foundational storage unit in Linux LVM (Logical Volume Manager) that represents a physical disk or partition used to build flexible, resizable storage pools.
Term 147
RADIUS is a network protocol that provides centralized authentication, authorization, and accounting management for users who connect and use a network service.
Term 148
RAID (Redundant Array of Independent Disks) is a data storage technology that combines multiple physical disk drives into one or more logical units for improved performance, fault tolerance, or both.
Term 149
The Windows Registry is a central hierarchical database that stores configuration settings and options for the operating system, hardware, software, and user preferences.
Term 150
The Registry Editor is a built-in Windows tool used to view and modify the Windows Registry, a hierarchical database storing configuration settings for the operating system, applications, and hardware.