this video covers all definitions and acronyms on the CompTIA Network plus exam AAA authentication authorization accounting auditing a set of security principles and practices that ensure proper identification permission tracking and Analysis of network activities ACL Access Control list a list of permissions attached to a network resource such as a file or a router that specifies which users or systems are granted or denied access ice Advanced encryption standard a widely used encryption algorithm for securing sensitive data providing a high level of security and confidentiality ah authentication header a component of the ipsec protocol Suite that provides authentication and integrity for IP packets ensuring that they have not been tampered with during transmission AP access point a device that allows wireless devices to connect to a wired Network by acting as a central Hub or Bridge APC c angle physical contact a type of fiber optic connector with a polished end face angled at a specific angle to minimize back Reflections a pipa automatic Private Internet Protocol addressing a feature in some operating systems that automatically assigns an IP address to a device when it is unable to obtain one from a DHCP server ARP address resolution protocol a protocol used to map an IP address to a physical it may see address on a local network up acceptable use policy a set of rules and guidelines that Define the acceptable behavior and proper use of a network or system bgp border Gateway protocol a routing protocol used to exchange routing information between autonomous systems on the internet BNC British Naval Connector slash bayonet Neil kinselman a type of coaxial connector commonly used in networking for ethernet connection BYOD bring your own device a policy that allows employees to use their personal devices such as smartphones or laptops for work purposes cam content addressable memory table a type of memory used in networking devices to store and quickly retrieve information such as Mac addresses can campus area network a computer network that covers a University campus or a similar geographic area CDMA code division multiple access a digital cellular technology that allows multiple users to share the same frequency band simultaneously CAA confidentiality integrity and availability the three fundamental principles of information security ensuring that data is kept private accurate and accessible to authorized users cadr classless inter domain routing a method of IP address allocation and routing that allows for more efficient use of IP addresses and better routing scalability CLI command line interface a text based user interface for interacting with a computer system or software through typed commands C name canonical name a type of DNS record that Maps an alias or alternate name to the canonical true name of a domain or host CPU Central Processing Unit the primary component of a computer that executes instructions and performs calculations CRC yclic redundancy check an error checking technique used to detect errors in data transmission by generating a checksum based on the data csma CA carrier since multiple access with collision avoidance a protocol used in wireless networks to avoid data collisions by listening to the network before transmitting csma CD carrier since multiple access with Collision detection a protocol used in Ethernet networks to detect and handle collisions between data frames CSU Channel Service Unit a device that connects a digital communication line to a customer's equipment providing signal conditioning and line monitoring cve common vulnerabilities and exposures a list of publicly known cyber security vulnerabilities and exposures providing a standardized reference for identifying and addressing security issues cwdm course wavelength division multiplexing a method of multiplexing multiple Optical signals onto a single fiber by using different wavelengths of light dos desktop as a service a cloud computing model where virtual desktops are hosted and managed by a third party service provider decibel decibel a unit of measurement used to express the ratio between two values commonly used to measure signal strength or sound intensity DDOS distributed denial of service an attack in which multiple compromised computers overwhelm a Target system or network with a flood of malicious traffic causing it to become unavailable DGP Dynamic host configuration protocol a network protocol that dynamically assigns IP addresses and other network configuration parameters to devices on a network DLP data loss prevention a set of Technologies and practices aimed at preventing sensitive data from being lost misused or accessed by unauthorized users DNS domain name system a decentralized naming system that translates human readable domain names into IP addresses allowing users to access websites by their domain names dos denial of service an attack that aims to disrupt or disable a network service or website making it inaccessible to its intended users DSL digital subscriber line a technology that provides high speed internet access over traditional telephone lines DSU data Service Unit a device that connects a Digital Data terminal to a digital communication line providing signal conversion and line monitoring dwdm dense wavelength division multiplexing a method of multiplexing multiple Optical signals at different wavelengths onto to a single fiber allowing for high capacity data transmission EV extensible Authentication Protocol a framework for providing authentication in wireless networks supporting various authentication methods Aya electronic Industries Association an organization that sets standards for the electronics Industry including standards for connectors cables and other networking equipment igrip enhanced interior Gateway routing protocol a Cisco proprietary routing protocol that dynamically routes data packets within a network airp effective isotropic radiated power a measurement of the power radiated by an antenna in a specific Direction taking into account antenna gain and losses especially encapsulating security payload a component of the ipsec protocol Suite that provides confidentiality integrity and authentication for IP packets by encrypting the payload UE extended unique identifier a 64-bit identifier assigned to network devices often used in ip6 networks for Unique identification though fiber channel over ethernet a protocol that allows fiber channel storage traffic to be transported over ethernet networks fhrp first hop redundancy protocol a protocol used in networks with redundant routers to provide High availability and automatic failover FTP file transfer protocol a standard Network protocol used for transferring files between a client and a server on a computer network gigabit interface converter a transceiver module used to connect networking devices to fiber optic or copper ethernet cables GRE generic rotting encapsulation a protocol used to encapsulate one network protocol within another typically used to create virtual private networks vpns or tunneling GSM global system for mobile Communications a standard for mobile telephony that enables the deployment of cellular networks used by mobile devices worldwide ha High availability a system or network design that ensures continuous operation and minimal downtime through redundancy and fault tolerant mechanisms HDMI high definition multimedia interface a digital audio video interface used for transmitting on compressed eye definition video and audio data between devices HTTP hypertext transfer protocol the protocol used for transmitting hypertext web data over the Internet https hypertext transfer protocol call secure an extension of HTTP that adds encryption and secure communication using SSL TLS protocols HVAC heating ventilation and air conditioning A system that provides environmental control including temperature humidity and air quality in buildings and data centers is infrastructure as a service a cloud computing model where virtualized Computing resources such as servers and storage are provided over the Internet icmp Internet control message protocol a network protocol used for Diagnostics error reporting and messaging between networked devices ICS industrial control system a network of control devices and software used to Monitor and manage industrial processes and critical infrastructure IDF intermediate distribution frame a distribution point in a structured cabling system where connections from the main distribution frame ndf are extended to individual network devices IDs intrusion detection system a security system that monitors Network traffic or system activity for suspicious Behavior or known attack patterns igmp internet group management protocol a Communications protocol used by host and adjacent routers on an IP network to establish multicast group memberships IMAP internet message access protocol a protocol used by email clients to retrieve emails from a mail server and synchronize email folders iot Internet of Things a network of interconnected physical devices embedded with sensors software and connectivity to exchange data and perform actions IP Internet Protocol the principal Communications protocol that enables data to be transmitted across networks and the inch internet IPS intrusion prevention system a security system that monitors Network traffic or system activity detects and blocks malicious activities or attacks in real time ipsec Internet Protocol security a suite of protocols used to secure IP Communications by encrypting and authenticating IP packets ip4 Internet Protocol version 4 the fourth version of the Internet Protocol widely used for addressing and routing Network traffic on the internet I've six Internet Protocol version 6 the latest version of the Internet Protocol that provides a much larger address space and improved features compared to ip4 iskc internet small computer systems interface a protocol that enables the transport of scuzzy commands over IP networks allowing remote access to storage devices ISB internet service provider a company or organization that provides internet access to customers or subscribers Last Link aggregation control protocol a protocol that allows multiple physical Network links to be bundled together to form a single logical link increasing bandwidth and providing redundancy Lan local area network a network that covers a small geographic area typically within a building or campus connecting devices and allowing them to share resources LC local connector a small form factor fiber optic connector commonly used for high density fiber optic connections lap lightweight directory access protocol a protocol for accessing and managing directory information services such as a directory of users and resources lapse lightweight directory access protocol over SSL an encrypted version of lab that provides secure communication between lab clients and servers LED light emitting diode a semiconductor device that emits light when an electric current passes through it commonly used in network devices as indicator lights LT long term evolution a standard for wireless communication that provides high speed data transmission and advanced features for mobile networks Mac media Access Control medium access control a unique identifier assigned to network interface controllers used for addressing and communication on a network man metropolitan area network a network that spans a larger geographic area than a land but smaller than a wide area network Wan typically covering a city or town MDF main distribution frame the central point in a structured cabling system where all incoming and outgoing communication lines are terminated and connected Nix medium-dependent interface crossover an automatic feature in Ethernet devices that allows them to detect and correct crossover cable connections umber multi-point generic routing encapsulation a protocol that enables the creation of multi-point VPN tunnels over an IP network MIP management information base a database used by Network Management Systems to organize and retrieve information about network devices and their performance memo multiple input multiple output a technology that uses multiple antennas at both the transmitter and receiver to improve Wireless communication performance and increase data throughput mu memo multi-user multiple input multiple output an extension of memo technology that allows multiple users to simultaneously transmit and receive data on separate streams improving overall network capacity and efficiency Mo memory random of understanding a non-finding agreement between two or more parties outlining the terms and understanding of a Cooperative relationship or collaborative effort mpls multi-protocol label switching a protocol for efficient packet forwarding in computer networks often used in service provider networks to improve Network performance and enable traffic engineering mtbf meantime between failure a metric used to estimate the average time a device or system operates without experiencing a failure Mount RJ mechanical transfer registered Jack a small form factor fiber optic connector that combines two fibers into a single duplex connection mttr mean time to repair a metric that measures the average time it takes to repair a failed device or system and restore it to normal operation NTU maximum transmission unit the largest data packet size that can be transmitted over a network without being fragmented into smaller packets MX Mail Exchange a record in the DNS that specifies the mail server responsible for accepting incoming email messages for a domain Knack network access control a set of security Technologies and policies that regulate and control the access of devices seeking to connect to a network NOS network attached storage a storage device that provides file level data access and centralized data storage over a network Nat Network address translation a technique used to modify Network address information in IP packet headers enabling multiple devices to share a single public IP address NDA non-disclosure agreement a legal contract that establishes a confidential relationship between two or more parties and outlines the information that must be kept confidential nfe Network function virtualization a network architecture approach that virtualizes Network Services such as firewalls or routers replacing dedicated Hardware Appliances with software based virtual instances in gfw Next Generation firewall a firewall that incorporates Advanced security features such as deep packet inspection application awareness and intrusion prevention capabilities Nic network interface card a hardware component that provides the physical interface between a computer or network device in a network allowing communication over a network an s name server a server that translates domain names into IP addresses and provides other domain related information in the DNS ntp Network time protocol a protocol used to synchronize the clocks of computers and network devices over a network oid object identifier a unique numeric identifier used in network Management Systems to identify and categorize managed objects OC open systems interconnection a conceptual framework that standardizes the functions of a communication system into seven layers facilitating interoperability between different systems and protocols ospf open shortest path first a routing protocol that uses a link State algorithm to determine the shortest path and exchange routing information within an IP network otdr Optical time domain reflectometer a device used to characterize and troubleshoot Optical fibers by sending laser pulses and measuring Reflections and losses pus platform as a service a cloud computing model that provides a platform and environment for developers to build deploy and manage applications without the complexity of infrastructure management pan personal area network a network that connects devices within an individual's personal space such as smartphones laptops and wearable devices Pat port address translation A variation of nat that translates both IP addresses and port numbers to allow multiple devices on a private Network to share a single public IP address pdu power distribution unit a device that distributes electrical power to network equipment and provides control and monitoring capabilities Poe power over ethernet a technology that allows electrical power to be transmitted over ethernet cables eliminating the need for separate power cables for devices like IP phones or wireless access points POP 3 post office protocol version 3 a standard protocol used by email clients to retrieve email messages from a mail server psk pre shared key a shared secret passphrase used in symmetric key encryption algorithms to authenticate communication between network devices PTR pointer record a type of DNS record that Maps an IP address to a domain name used in Reverse DNS lookups cos quality of service a set of techniques and mechanisms used to manage and prioritize Network traffic ensuring that certain types of traffic receive preferential treatment qsfp quad small form factor plugable a compact transceiver mod you'll use to connect networking devices with high speed data links typically used in fiber optic or copper ethernet connections ra router advertisements a mechanism used in ip6 networks to automatically configure and announce Network addresses and routing information to Connected devices radius remote authentication dial in user service a protocol for centralized authentication authorization and accounting management for network access commonly used in Enterprise environments raid redundant array of inexpensive or independent disks a data storage technology that combines multiple physical disks into a single logical unit to provide data redundancy improved performance or both RDP remote desktop protocol a proprietary protocol developed by Microsoft that allows remote access and control of a computer or virtual machine over a network RF radio frequency the range of electromagnetic frequencies used for wireless communication including radio waves and microwaves RFC request for comment a document series used to develop and Define Internet standards protocols and practices RG radio guide a reference publication or document that provides technical specifications operating procedures or guidelines for radio communication systems rip routing Internet Protocol a distance Vector routing protocol used in IP networks to exchange routing information and determine the best path for data packets RJ registered Jack a standardized physical interface used for connecting telecommunications or networking equipment such as telephone or ethernet cables RPO recovery Point objective the maximum tolerable amount of data loss that an organization can accept in the event of a disaster or system failure RSSI received signal strength indication a measurement of the power level of a received radio signal often used in wireless communication systems RTO recovery time objective the targeted duration within which a system or service should be restored after A disruption or failure rtsb real-time streaming protocol a network protocol used to control streaming media servers and deliver real time audio or video content over ipnetworks SAS software as a service a cloud computing model where software applications are provided and hosted by a service provider over the Internet SAN storage area network A specialized Network that provides high speed access to Consolidated Block Level data storage devices SC standard connector subscriber connector a fiber optic connector with a push pull latching mechanism commonly used for telecommunications and networking applications scada supervisory control in data acquisition a system used to Monitor and control industrial processes or infrastructure such as power plants or manufacturing facilities sdn software defined Network a network architecture that separates the control plane from the data plane allowing centralized control and programmability of networked devices Swan software defined Wan a wide area network architecture that uses software defined networking Concepts to simplify and optimize the management and operation of one connections sfb small form factor plugable a compact transceiver module used to connect networking devices with high speed data links typically used in fiber optic SFTP secure file transfer protocol a secure protocol used for transferring files over a network providing encryption and authentication of data scene security information and event management A system that collects analyzes and correlates security event logs and information from various sources to detect and respond to security incidents sip session initiation protocol a protocol used for initiating modifying and terminating real time sessions involving voice video and messaging applications over ipnetworks SLA service level agreement a contract between a service provider and a customer that defines the expected level of service including performance targets availability and support slack stateless address Auto configuration a method used in ip6 networks to automatically assign IP addresses to devices without the need for a DHCP server SMB server message block a network protocol used for file sharing printer sharing and other communication between devices in a network sntp simple mail transfer protocol a protocol used for sending and receiving email messages between servers and clients over a network SNMP simple Network management protocol a protocol for managing and monitoring network devices gathering information and configuring settings remotely SOA start of authority a DNS resource record that provides authoritative information about a DNS Zone including the primary name Server email contacts and Zone configuration Soho small office home office a term referring to small businesses or individuals who work from home typically using a small Network for their office needs SQL structured query language a programming language used for managing and manipulating relational databases SRV service record a DNS resource record that specifies the location of specific services such as domain controllers or mail servers within a domain SSD solid state drive a storage device that uses flash memory to store data providing faster access times and improved reliability compared to traditional hard disk drives SSH secure shell a cryptographic network protocol that provides secure remote access to devices and secure data communication over an unsecured network SSID service set identifier a unique identifier attached to a wireless network that allows devices to connect and communicate within the same network SSL secure sockets layer a cryptographic protocol that provides secure communication over a computer network commonly used for securing web traffic replaced by TLS SSO single sign on a mechanism that allows users to authenticate once and gain access to multiple systems or applications without the need to re-enter credentials Street straight tip or snap twist a type of fiber optic connector with a Bayonet style locking mechanism commonly used for multi-mode fiber connections sdp spanning tree protocol a protocol that prevents Loops in Ethernet networks by selectively disabling redundant paths ensuring a loop free topology syslog system log a standardized method for generating collecting and storing log messages from network devices servers and applications tacx plus terminal Access Controller access control system plus a protocol that provides centralized authentication authorization and accounting services for network devices TCP transmission control protocol a reliable and connection oriented protocol used for transmitting data between devices over an IP network tftp trivial file transfer protocol a simple file transfer protocol used for basic file transfers between devices typically for booting or updating firmware Chia slash Aya telecommunications industry Association electronic Industries Alliance organizations that establish and maintain standards for the Telecommunications and electronics Industries skip temporal key Integrity protocol a security protocol used in y find networks to encrypt data and provide message integrity TLS transport layer security a cryptographic protocol that provides secure communication over a computer network widely used for securing web traffic TTL time to live a value and IP package that indicates how long the packet can exist or be forwarded before being discarded TX RX transmit and receive commonly used to refer to the transmit and receive functions of a network device or interface UDP user datagram protocol a connectionless and unreliable protocol used for sending datagrams between devices over an IP network UPC Ultra physical contact a type of fiber optic connector with a high Precision polished end face for minimal signal loss and back Reflections UPS an interruptible power supply a device that provides emergency power to Connected devices in the event of a power outage or voltage fluctuations URL uniform resource locator a web address that specifies the location of a resource such as a website or file on the internet USB Universal serial bus a common interface used for connecting various devices to computers and other host devices UTP unshielded twisted pair a type of copper cable commonly used for ethernet network connections VIP virtual IP and IP address that is not associated with a specific physical device but is assigned to a virtual resource such as a virtual machine or load balancer VLAN virtual local area network a logical Network created by grouping devices together based on criteria allowing them to communicate as if they were connected to the same physical Network VM virtual machine a software emulation of a physical computer that can run an operating system and applications providing a flexible and scalable Computing environment VNC virtual network computing a graphical desktop sharing system that allows remote access and control of a computer desktop over a network Mick virtual network interface card a virtualized network interface that functions as if it were a physical network card used in virtualization environments VoIP voice over Internet Protocol a technology that enables voice communication over IP networks converting voice signals into digital packets for transmission VPN virtual private Network a secure and encrypted network connection that allows users to access a private network over a public network such as the internet vrrp Virtual Router redundancy protocol a protocol that provides automatic failover and redundancy for routers in a network ensuring continuous connectivity when wide area network a network that spans a large geographic area connecting multiple lands or other networks over long distances WAP wireless access point a device that allows wireless devices to connect to a wired Network and provides wireless network access wdm wavelength division multiplexing a technology that combines multiple Optical signals of different wavelengths onto a single fiber increasing data capacity in fiber optic networks valon Wireless local area network a network that enables wireless communication between devices within a limited area such as a home office or campus WPA Wi-Fi protected access a security standard for wireless networks that provides encryption and authentication mechanisms to protect data transmission WPA2 Wi-Fi protected access to an improved version of the WPA security standard providing stronger encryption and security mechanisms for wireless networks wpa3 Wi-Fi protected access 3 the latest version of the WPA security standard introducing enhanced security protocols and encryption algorithms for wireless networks WPS why fi protected setup a simplified method for configuring and securing wireless networks allowing users to easily add devices to a network by pressing a button or entering a pin 1. Wireless wide area network a wireless network that covers a large geographic area typically provided by cellular service providers for mobile devices XML extensible markup language a markup language that defines a set of rules for encoding documents in a format that is both human readable and machine readable xss cross site scripting a type of web security vulnerability where attackers inject malicious scripts into web pages viewed by other users allowing them to execute arbitrary code Z Wave a wireless communication protocol designed for home automation devices allowing them to communicate with each other and be controlled remotely zip Zone information protocol a protocol used in apple Talk Network to dynamically assign Network addresses and manage network configuration ztp zero touch provisioning a network deployment method that allows devices to be automatically configured and provisioned without manual intervention reducing setup time and complexity