Term 121
Change management
Change management is the structured process of planning, approving, implementing, and reviewing changes to IT systems to minimize risk and disruption.
Acronym study
Terms 121–150 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 121
Change management is the structured process of planning, approving, implementing, and reviewing changes to IT systems to minimize risk and disruption.
Term 122
A chipset is a collection of electronic components on a motherboard that manages data flow between the processor, memory, storage, and peripherals.
Term 123
The CIA triad is a foundational security model that guides organizations in protecting data through confidentiality, integrity, and availability.
Term 124
CIDR (Classless Inter-Domain Routing) is a method for allocating IP addresses and routing IP packets that replaces the older class-based system, allowing more flexible and efficient use of address space.
Term 125
CIDR notation is a compact way to represent an IP address and its associated network prefix, showing how many bits of the address identify the network versus the host.
Term 126
A proprietary Layer 2 network protocol used by Cisco devices to discover information about directly connected neighbor devices.
Term 127
Classless Inter-domain Routing (CIDR) is a method for allocating IP addresses and routing IP packets more efficiently by replacing the old class-based system with variable-length subnet masks.
Term 128
Cloud Armor is a Google Cloud web application firewall (WAF) service that protects applications and websites from attacks like DDoS and SQL injection using customizable security rules.
Term 129
A Cloud CDN is a network of servers spread around the world that stores copies of your website or app content so it loads faster for users no matter where they are.
Term 130
Cloud computing is the on-demand delivery of IT resources over the internet, allowing users to access computing power, storage, and applications without owning physical hardware.
Term 131
A managed domain name system service that translates human-readable domain names into IP addresses, enabling reliable and scalable network routing in cloud environments.
Term 132
Cloud Interconnect is a service that provides a dedicated, private, high-bandwidth connection between your on-premises network and a cloud provider's network, bypassing the public internet for improved reliability, security, and performance.
Term 133
Cloud Load Balancing is the process of distributing incoming network traffic across multiple servers or resources in the cloud to ensure no single resource is overwhelmed, improving availability and reliability.
Term 134
Cloud migration is the process of moving digital assets like data, applications, and IT resources from on-premises data centers to the cloud, or from one cloud environment to another.
Term 135
Cloud NAT is a managed network address translation service that allows private cloud resources to initiate outbound internet connections while keeping them unreachable from the internet.
Term 136
A cloud router is a virtual networking device in a cloud environment that manages traffic between different virtual networks and connects them to on-premises networks using dynamic routing protocols.
Term 137
Cloud storage is a service that lets you save data on remote servers accessed over the internet instead of on your computer's hard drive.
Term 138
A Cloud VPN is a service that securely connects your private network to a cloud provider's network over the public internet using encryption and authentication.
Term 139
Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency and high transfer speeds.
Term 140
Clustering is a technique where multiple servers work together as a single system to keep applications running even if one server fails.
Term 141
CMOS is a small memory chip on a computer motherboard that stores important system settings like date, time, and hardware configuration, even when the power is off.
Term 142
A CNAME (Canonical Name) record is a type of DNS resource record that maps an alias domain name to the canonical (true) domain name.
Term 143
CodeQL is a semantic code analysis engine used by developers to find security vulnerabilities in source code by treating code as data and querying it for potential flaws.
Term 144
A segment of a network where data packets can collide with one another when two or more devices transmit at the same time.
Term 145
Column Address Strobe (CAS) is a signal in DRAM memory that tells the memory chip which column of the row to access during a read or write operation.
Term 146
A command-line interface (CLI) is a text-based tool that lets you control a computer or network device by typing commands instead of clicking icons.
Term 147
The Common Internet File System (CIFS) is a network protocol that allows computers to share files, printers, and other resources over a local network or the internet.
Term 148
A community cloud is a multi-tenant cloud infrastructure shared by several organizations with common concerns, such as compliance, security, or industry regulations.
Term 149
Compatibility mode is a software setting that allows a program or operating system designed for an older version of Windows to run on a newer version by mimicking the older environment.
Term 150
A type of semiconductor technology used in microchips that combines two types of transistors to create circuits with very low power consumption.