Untitled Flashcards Set

Network

A group of interconnected computers and devices that can share information.

Nodes/Hosts

Devices on a network, such as computers, tablets, mobile phones, and servers.

Transmission Medium

The physical medium that connects network devices, such as twisted pair cabling or fiber optics.

Network Interface Card (NIC)

This device converts digital data into a signal suitable for transmission on the network.

Router

A specialized device that connects multiple networks together.

Switch

A device that connects multiple computers within the same network.

Access Point

A device that connects wireless network hosts to a wired network.

Networking Protocols

Standards that define how data is formatted and transmitted between network hosts.

IPv4 Address

A unique 32-bit address consisting of four decimal numbers, each from 0 to 255.

Network ID

The portion of an IPv4 address that identifies the specific network.

Host ID

The portion of an IPv4 address that uniquely identifies a specific device on the network.

Subnet Mask

Defines which part of the IP address refers to the network ID and which part refers to the host ID.

Subnet

A smaller network created from a larger network to improve performance and management.

Benefits of Networking

Includes data consolidation, shared peripherals, increased communication, and remote troubleshooting.

Peer-to-Peer Network

A network where each host has equal responsibility and can share resources directly with any other host.

Client-Server Network

A network where specific devices provide resources to other devices that request them.

Local Area Network (LAN)

A network within a limited geographical area, such as an office or building.

Wide Area Network (WAN)

A network that covers a large geographical area and connects multiple LANs.

Metropolitan Area Network (MAN)

A network that spans a city or a large campus.

VoIP (Voice over IP)

Technology that allows voice communication over IP networks.

Dynamic Host Configuration Protocol (DHCP)

A protocol that automatically assigns IP addresses to devices on a network.

Domain Name System (DNS)

A system that translates domain names into IP addresses.

Email Protocols

Protocols used for sending and receiving emails, such as SMTP, POP3, and IMAP.

Wireless Networking

A technology that allows devices to connect and communicate over radio waves.

Wi-Fi

A common wireless networking technology defined by the IEEE 802.11 standards.

Authentication Protocols

Methods used to verify user identities when accessing a network.

Encryption Protocols

Security measures used to protect data being transmitted over networks.

Common Network Troubleshooting Commands

Commands like ping, tracert, and ipconfig used to diagnose network issues.

Network Address Translation (NAT)

A method that allows multiple devices on a private network to share a single public IP address.

Network Interface Card (NIC)

Hardware that connects a computer to a network and manages data flows.

Quality of Service (QoS)

A mechanism that manages bandwidth on a network to ensure the performance of critical applications.

Latency

The time delay experienced in a system, often described in terms of delays in data transmission.

Jitter

The variation in packet arrival times in a network, which can affect the quality of voice and video communications.

Load Balancer

A device or software that distributes network traffic across multiple servers to ensure optimal performance.

Spam Gateway

A security solution that monitors and manages email traffic to filter out spam.

Proxy Server

An intermediary server that handles requests from clients seeking resources from other servers.

Unified Threat Management (UTM)

An all-in-one security solution that combines multiple threat management features.

Embedded System

A specialized computing system designed to perform dedicated functions within a larger mechanical or electrical system.

Industrial Control Systems (ICS)

Systems used to control industrial processes, often involving automation.

Wireless Mesh Network (WMN)

A network made up of wireless mesh nodes that communicate with one another, extending coverage.

Internet of Things (IoT)

A network of interconnected devices that collect and exchange data, often without human intervention.

Bluetooth

A wireless technology standard that allows devices to communicate over short distances.

Radio Frequency Identification (RFID)

A technology that uses electromagnetic fields to automatically identify and track tags attached to objects.

Near Field Communication (NFC)

A set of communication protocols that enable communication between devices when they are within close proximity.

Firewall

A network security system that monitors and controls incoming and outgoing network traffic.

Virtual Local Area Network (VLAN)

A logical grouping of devices on one or more physical networks.

Ethernet Cable

A standard cable used to connect devices in a wired local area network.

Fiber Optic Cable

A high-speed data transmission medium made of glass or plastic fibers that transmit data as light.

Satellite Internet

A type of internet connection that uses satellite technology to provide internet access.

Cellular Internet Access

Internet connectivity that utilizes cellular networks provided by mobile carriers.

Command Line Interface (CLI)

A user interface that allows users to interact with the network operating system through text commands.

Network Monitoring

The process of continuously observing a network for performance and faults.

Network Baseline

A measurement of the normal operating conditions of a network.

System Log Files

Files that record activities in a network or server to aid in troubleshooting.

Health Monitoring

The process of tracking the operational status of devices on a network.

Smart Home Devices

IoT devices designed to enhance the convenience and energy efficiency of homes.

Remote Access

The ability to connect to a computer or network from a remote location.

Interference

Any disturbance that affects the communication between network devices.

Data Packet

A formatted unit of data carried by a packet-switched network.

Throughput

The actual rate of successful data transfer over a network, measured in bits per second.

Data Congestion

A situation where the network traffic exceeds the capacity of the network, leading to slow performance.

Network Security

The policies and practices for protecting a network from unauthorized access and threats.

Public Network

A network that is open to all; security risk is generally higher.

Private Network

A secure network that restricts access to authorized users only.

VLAN Trunking

A method of carrying multiple VLANs over a single network link.

Web Server

A server that hosts websites and serves web pages to users.

Email Server

A server that manages email sending and receiving for a network.

Domain Controller

A server that responds to security authentication requests within a Windows domain.

Network Resource

Any asset that can be shared and accessed over a network.

Temporarily Blocking a Port

A common network management action to enhance security by restricting access.

Network Traffic Analysis

The process of monitoring network traffic for performance, security, or compliance.

Security Audit

An assessment of a network to ensure compliance with security policies.

Unified Communications

Integrating various communication tools and services into one platform.

Network Redundancy

The inclusion of extra components in a network to provide alternatives in case of a failure.

Scalability

The capability of a system to handle a growing amount of work or to accommodate growth.

Remote Desktop Protocol (RDP)

A proprietary protocol used by Microsoft to provide a user with a graphical interface to connect to another computer.

Network Capabilities

The functions and capacities that a network can perform.

Content Filtering

Restricting access to certain content on a network, often used to improve security.

Access Control

The policy for managing access to resources in a network.

Telecommunication

The transmission of signals over a distance for communication.

Network Hardware

Devices used in a network setup, such as routers, switches, and servers.

VoIP Gateway

A device that converts voice signals from a traditional phone to data packets for transmission over a VoIP network.

Time Division Multiple Access (TDMA)

A channel access method for shared medium networks.

Wireless LAN (WLAN)

A local area network that uses wireless technology for connectivity.

Network Isolation

Segmenting a network to limit interactions between different segments for security.

Software-Defined WAN (SD-WAN)

A technique for managing wide area networks that improves performance with cloud services.

Network Traffic Monitoring

The practice of using a network monitoring tool that checks network traffic in real-time.

Data Encryption

The process of encoding data so only authorized parties can access it.

Interactive Data Visualization

Using visual representation to present data over a network.

Enterprise Resource Planning (ERP)

Integrating core business processes in real-time through a network.

Hotspot

A physical location where people can connect to the internet wirelessly.

Packet Sniffing

The process of capturing and analyzing network packets.

Network Interference

External signals or devices that disrupt or degrade wireless communications.

IP Address Management (IPAM)

The administration of DNS and DHCP, critical to network management.

Network Operating System (NOS)

An operating system designed to manage network resources and operations.

Configuration Management

The discipline of managing changes in a network system.

Bandwidth Management

The process of monitoring and controlling network traffic to ensure efficient data transfer.

Bridge

A device that connects and filters traffic between two or more network segments.

Network Architecture

The design of a network, encompassing its physical, functional, and logical design.

Digital to Analog Conversion

The process of converting digital data to analog signals for transmission.