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Bring yourself up to speed with our introductory content.
5G vs. 4G: Learn the key differences between them
5G and 4G network architectures have some significant differences. See how the two technologies differ and what the new capabilities mean for business communications. Continue Reading
What is infrastructure as a service (IaaS)?
Infrastructure as a service (IaaS) is a form of cloud computing that provides virtualized computing resources over the internet. Continue Reading
Low-code tool n8n bridges gap between AI models and business
Many organizations struggle to realize AI projects. N8n aims to bridge the gap between AI engineers and business users, empowering non-technical staff to build AI workflows. Continue Reading
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What is mobile application development?
Mobile application development is the set of processes and procedures involved in writing software for small, wireless computing devices, such as smartphones and other hand-held devices. Continue Reading
statistical mean, median, mode and range
The terms mean, median, mode, and range describe properties of statistical distributions. Continue Reading
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Definitions to Get Started
- What is an API (application programming interface)?
- What is a SAN? Ultimate storage area network guide
- What is a data retention policy?
- What is multi-access edge computing? Benefits and use cases
- What is 5G?
- What is 6G? Overview of 6G networks & technology
- phase-locked loop (PLL)
- What is millimeter wave (mmWave)?
Test conditional access with Microsoft Entra ID What If tool
Admins should employ regular use of this simulation tool to ensure conditional access policies have no conflicts and avoid access problems that can slow down users.Continue Reading
How to build a virtual network lab in the AI era
Network teams use virtual labs to test new network configurations and technologies. As AI integrates into networks, virtual labs must upgrade to handle their massive workloads.Continue Reading
What is unified storage? Features, pros/cons, comparison to block/file storage
Unified storage, sometimes called network unified storage (NUS) or multiprotocol storage, is a storage system that combines block and file storage and enables users to run and manage files and applications from a single device.Continue Reading
What is a REST API? Benefits, Uses, Examples
A REST API is an architectural style for an application programming interface that uses Hypertext Transfer Protocol (HTTP) requests to access and use data.Continue Reading
What is a wireless sensor network (WSN)?
A wireless sensor network (WSN) is a distributed network of spatially distributed sensors that communicate wirelessly to collect, monitor, and transmit environmental or physical condition data to a central system or cloud platform for analysis.Continue Reading
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Glossary of 25 top data storage terms you should know
This collection of data storage terms covers newer technologies, such as blockchain storage, and legacy tech, including network-attached storage and tape drives.Continue Reading
What are global area networks (GANs)?
A global area network (GAN) is a type of network that connects devices and users on a global scale.Continue Reading
How to build a network-aware CI/CD pipeline with GitLab and Ansible
Automation is becoming a common process for organizations to include in their networks. No matter what type of automation a network uses, their CI/CD pipeline should be network-aware.Continue Reading
What is network mapping?
Network mapping is systematically discovering, documenting and visually illustrating all devices linked to a network.Continue Reading
What is artificial intelligence-radio access network (AI-RAN)?
An artificial intelligence-radio access network (AI-RAN) is an evolving technology that integrates AI into the conventional radio access networks (RANs) used to operate mobile networks and support network devices.Continue Reading
What is hardware security?
Hardware security is vulnerability protection that comes in the form of a physical device rather than software installed on a computer system's hardware. It also refers to the protection of physical systems from harm.Continue Reading
What is 5G-Advanced (5GA or 5.5G)?
5G-Advanced -- dubbed 5GA or 5.5G -- represents the latest iteration of 5G technology.Continue Reading
Top 10 SaaS Examples and Applications for Businesses
SaaS vendors offer a variety of products for different industries. Learn about 10 SaaS offerings from vendors for different use cases.Continue Reading
A configuration guide to Network Time Protocol
This guide explains NTP configuration across Linux, macOS and Windows systems. It covers architecture, troubleshooting and best practices for reliable network time synchronization.Continue Reading
What is a municipal wireless network (MWN)?
A municipal wireless network (MWN) is a town or city-wide implementation of a wireless network funded or supported by local government bodies.Continue Reading
What is 5G infrastructure?
5G infrastructure is the combination of hardware and software elements used to construct the fifth generation (5G) of the broadband cellular communication network.Continue Reading
How to find and customize your PowerShell profile
Give a more streamlined approach to PowerShell by learning how to customize your PowerShell profile to optimize workflows, enhance security and adapt to different environments.Continue Reading
Ansible vs. Terraform vs. Vagrant: What's the difference?
Ansible sets up networks agentlessly, Terraform manages cloud infrastructure and Vagrant creates consistent development environments. Each serves distinct network automation needs.Continue Reading
What is the application layer?
The application layer is at Layer 7, the top of the Open Systems Interconnection (OSI) communications model. It ensures that an application can communicate with other applications on different computer systems and networks.Continue Reading
How AI in training and development can bridge IT talent gaps
AI helps organizations combat IT skills gaps with targeted analysis, workflow automation, real-time support and code generation, enhancing employee retention and operational agility.Continue Reading
What is a virtual storage area network (VSAN)? How it works, benefits and use cases
A virtual storage area network (VSAN) is a logical partition in a physical storage area network, or SAN.Continue Reading
What is a SAN switch? How it works and compares to other network switches
A SAN switch (storage area network switch) is a device that connects servers and shared pools of storage devices and is dedicated to moving storage traffic.Continue Reading
What are the 6 components of structured cabling?
The six components of structured cabling are Entrance Facilities, Equipment Room, Backbone Cabling, Telecommunications Room, Horizontal Cabling and Work Area.Continue Reading
What is a Fibre Channel switch (FC switch)? How it works, benefits and comparison to Ethernet switch
A Fibre Channel (FC) switch is a networking device that's compatible with the FC protocol and designed for use in a dedicated storage area network (SAN).Continue Reading
What is Fibre Channel? History, layers, components and design
Fibre Channel is a high-speed networking technology primarily used for transmitting data among data centers, computer servers, switches and storage at data rates of up to 128 gigabits per second (Gbps).Continue Reading
What is data migration? Definition, strategy and best practices
Data migration is the process of transferring data between data storage systems, data formats or computer systems.Continue Reading
What is a self-organizing network (SON) and do you need one?
A self-organizing network (SON) is an intelligent infrastructure designed to simplify and accelerate the planning, configuration, management, optimization and healing of mobile radio access networks (RANs).Continue Reading
What is an enterprise private network (EPN)?
An enterprise private network (EPN) is a type of private network used by an organization.Continue Reading
What is CloudOps (cloud operations)?
Cloud operations (CloudOps) is the management, delivery and consumption of computing resources (e.g., software, hardware, virtual machines) in a computing environment where the visibility into the infrastructure varies based on the type of ...Continue Reading
What is behavior-driven development (BDD)?
Behavior-driven development (BDD) is an Agile development methodology that documents, designs and develops software around the behavior a user expects to experience when interacting with an app.Continue Reading
What is telecommunications (telecom)?
Telecommunications, also known as telecom, is the exchange of information over significant distances by electronic means and refers to all types of voice, data and video transmission.Continue Reading
Azure Arc setup tips for on-premises server management
Admins should explore their patching options now that Microsoft deprecated WSUS. Azure Arc offers integration with Azure to give the operations team a unified management approach.Continue Reading
What is Capability Maturity Model (CMM)?
The Capability Maturity Model (CMM) is a methodology used to develop and refine an organization's software development process.Continue Reading
An introduction to AWS IAM and security best practices
With AI threats rising and machine identities outnumbering humans 82-to-1, discover how AWS IAM's authentication and authorization framework safeguards your cloud resources.Continue Reading
What is functional testing and how does it work?
Functional testing is a type of software testing intended to ensure that the software behaves as expected and its output meets end user or business expectations.Continue Reading
What is network security? Definition and best practices
Network security encompasses all the steps taken to protect the integrity of a computer network and the data within it.Continue Reading
Understanding the fundamentals of LLM observability
LLM observability involves specialized monitoring to enhance performance, debugging and cost management. Learn to use the five pillars of LLM observability to manage AI deployments.Continue Reading
What are predictive networks and how do they work?
Predictive networks are intelligent IT network systems that use artificial intelligence (AI), machine learning (ML) and real-time analytics to anticipate and proactively address network issues before they occur.Continue Reading
What is Fibre Channel over Ethernet (FCoE)? How it works, benefits, challenges and use cases
Fibre Channel over Ethernet (FCoE) is a storage protocol that enables Fibre Channel (FC) communications to run directly over Ethernet.Continue Reading
Deploy apps faster with this AWS Elastic Beanstalk tutorial
AWS Elastic Beanstalk simplifies the deployment of Python, Ruby and Node.js applications. This tutorial shows how to quickly launch applications without complex setup procedures.Continue Reading
What is fault management?
Fault management is the component of network management that detects, isolates and fixes problems.Continue Reading
What is defragmentation?
Defragmentation, also known as 'defragging' or 'defrag,' is the process of rearranging the data on a storage medium, such as a hard disk drive (HDD), to ensure efficient storage and access.Continue Reading
TB vs. GB: Is a terabyte bigger than a gigabyte?
A terabyte comprises more than 1 trillion bytes. Discover how the storage measurement scale was created and where a terabyte stands among other units of measurement today.Continue Reading
What is Point-to-Point Protocol over Ethernet (PPPoE)?
Point-to-Point Protocol over Ethernet (PPPoE) is a network protocol that facilitates communication between network endpoints.Continue Reading
What is geo-blocking?
Geo-blocking is blocking online content based on its location.Continue Reading
7 essential macOS code editors
Learn about the top code editors for MacOS. Make your choice from the following list of code editors based on price, features, extensibility and specific language support.Continue Reading
What is Synchronous Optical Network (SONET)?
Synchronous Optical Network (SONET) is a North American standardized digital communication protocol for synchronous data transmission over optical fibers.Continue Reading
What is a UUID (Universally Unique Identifier)?
A UUID (Universal Unique Identifier) is a 128-bit value used to uniquely identify an object or entity on the internet.Continue Reading
What is application migration? Examples and best practices
Application migration is the process of moving an application program from one environment to another.Continue Reading
A practical guide to PATs in Azure DevOps
In the rapidly evolving DevOps landscape, understanding how and when to use PATs empowers users to build flexible, secure and reliable automation strategies.Continue Reading
Create a PowerShell script for Windows PATH variable cleanup
This step-by-step guide explains how to build a PowerShell script that automatically identifies issues with Windows PATH variables to improve system stability.Continue Reading
Data backup plan template: Free download and guide
Download our free backup planning template to help you get started on or improve your current process. Explore the critical information to include in your document.Continue Reading
How to begin Wi-Fi 7 deployment
As Wi-Fi lifecycles move faster than ever, enterprises must consider when to deploy a new Wi-Fi standard. This article offers guidance on when to deploy Wi-Fi 7 in the enterprise.Continue Reading
Key differences in software RAID vs. hardware RAID
Hardware RAID generally costs more than software RAID but may offer better performance. Consider factors like cost, performance needs and OSes to find the best fit.Continue Reading
Scrum master certification exam questions and answers
Are you ready for the Scrum master certification exam? Test yourself on these 10 tough Scrum master exam questions and answers.Continue Reading
How Ansible's Python framework enables network automation
Ansible's use of Python scripts creates a powerful network automation tool. This guide shows how to automate router tasks with Ansible in a GNS3 lab, such as VLAN setup and backup.Continue Reading
What is fiber to the home (FTTH)?
Fiber to the home (FTTH) is the installation and use of optical fiber from a central point to individual buildings to provide high-speed internet access.Continue Reading
What is an SDN controller (software-defined networking controller)?
A software-defined networking controller is an application in SDN architecture that manages Flow control for improved network management and application performance.Continue Reading
What is a network service provider (NSP)?
A network service provider (NSP), also known as a backbone provider, is a company that owns, operates and sells access to internet backbone infrastructure and services.Continue Reading
What is nslookup?
Nslookup is the name of a program that lets users enter a hostname and find out the corresponding Internet Protocol address or Domain Name System record.Continue Reading
What is HAProxy?
HAProxy is a high-performance, open source load balancer and reverse proxy for TCP and HTTP applications.Continue Reading
What is an unshielded twisted pair (UTP)?
Unshielded twisted pair (UTP) is a ubiquitous type of copper cabling used in networking technologies, such as telephone wiring and local area networks (LANs).Continue Reading
Secure Windows with Microsoft's Security Compliance Toolkit
Learn how to work with the tools and security baselines provided by Microsoft to tighten the defenses in the Windows environment.Continue Reading
PowerShell while loop tips for infrastructure automation
Loops enhance task automation scripts by enforcing conditions before the script progresses. This tutorial explains the concepts and offers tips for avoiding an endless loop.Continue Reading
What is a content delivery network?
A content delivery network (CDN), also called a content distribution network, is a group of geographically distributed and interconnected servers.Continue Reading
What is ONOS (Open Network Operating System)?
ONOS (Open Network Operating System) is an OS designed to help network service providers build carrier-grade software-defined networks architected for high scalability, availability and performance.Continue Reading
What is voice over LTE (VoLTE)?
Voice over LTE (VoLTE) is a digital packet technology that uses 4G Long-Term Evolution networks to route voice traffic and transmit data.Continue Reading
An explanation of telecommunications
Telecommunications is the electronic exchange of information across distances -- encompassing voice, data and video transmission -- to form global communication networks.Continue Reading
An explanation of mesh Wi-Fi
Mesh Wi-Fi networks connect multiple nodes to transmit data without a central router, offering broader coverage and self-healing capabilities, despite higher costs.Continue Reading
AWS Auto Scaling tutorial
Interested in optimizing performance and cost for applications? Learn how to create launch templates and empower EC2 instances to scale with this AWS Auto Scaling tutorial.Continue Reading
What is the Common Information Model (CIM)?
The Common Information Model (CIM) is a computer industry standard that defines device and application characteristics so system administrators and management programs can control devices and applications from different manufacturers.Continue Reading
An explanation of local area networks
Local area networks are interconnected systems that share resources within a limited geographic area. They can be wired, wireless or virtual, depending on workplace needs.Continue Reading
A brief explanation of latency
Latency measures data transmission delays between points. Causes include physical distance and hardware issues, while solutions might involve hardware upgrades or edge computing.Continue Reading
What is a container image?
A container image is a fixed, static file with executable code to run an isolated process on IT infrastructure.Continue Reading
What is YAML (YAML Ain't Markup Language)?
YAML (YAML Ain't Markup Language) is a data serialization language used as the input format for diverse software applications.Continue Reading
Why does DHCP use ports 67 and 68?
DHCP servers use port 67/udp to receive requests and send responses, while DHCP clients use port 68/udp to broadcast discovery messages and receive configuration data.Continue Reading
What is network bandwidth and how is it measured?
Network bandwidth is a measurement indicating the maximum capacity of a wired or wireless communications link to transmit data over a network connection in a given time.Continue Reading
The cost of Kubernetes cluster sprawl and how to manage it
Kubernetes cluster sprawl undermines efficiency and security. Implement governance, standardization and monitoring to balance developer freedom with operational control.Continue Reading
How to automate service desk tasks with a PowerShell portal
Learn how to automate service desk operations with a PowerShell self-service portal.Continue Reading
What is telematics?
Telematics is a term that combines the words 'telecommunications' and 'informatics' to describe the use of communications and IT to transmit, store and receive information from devices to remote objects over a network.Continue Reading
An introduction to satellite network architecture
Satellite network architecture consists of three segments: space, ground and control. Satellite networks enhance networking beyond terrestrial network capabilities.Continue Reading
What is multi-user MIMO?
Multi-user MIMO (MU-MIMO) is a wireless communication technology that uses multiple antennas to improve communication by creating multiple connections to the same device simultaneously.Continue Reading
What is IT service management (ITSM)?
IT service management (ITSM) is a general term that describes a strategic approach to designing, delivering, managing and improving the way businesses implement IT services.Continue Reading
An Amazon Bedrock tutorial for beginners
Interested in generative AI development but don't want the overhead of managing infrastructure? This Amazon Bedrock tutorial might be the answer for you.Continue Reading
What is a campus network?
A campus network, also known as a 'campus area network,' is a proprietary local area network (LAN) or set of interconnected LANs in a small geographic area.Continue Reading
What is the presentation layer?
The presentation layer resides at Layer 6 of the Open Systems Interconnection (OSI) communications model and ensures all communications that pass through it are in the appropriate form for the recipient application.Continue Reading
How to create an AWS free tier account
Want to learn more about DevOps and cloud computing? Maybe get AWS-certified? The first step is to sign up for an AWS free tier account. This video tutorial shows how to do it.Continue Reading
Create an Amazon EKS cluster and deploy Docker containers
Docker deployment to EKS containers in AWS is much easier than you might think. This quick Amazon EKS tutorial shows you how.Continue Reading
What is NTFS and how does it work?
NTFS, which stands for NT file system and the New Technology File System, is the file system that many versions of the Windows and Windows Server operating systems (OSes) use for storing, organizing, and retrieving files on hard disk drives (HDDs) ...Continue Reading
Top 12 Linux certifications
Choosing among Linux certifications can seem daunting, but there are differences to all options that can help you decide which is best for you and your organization.Continue Reading
What is the domain name system (DNS)?
The domain name system (DNS) is a naming database in which internet domain names are located and translated into Internet Protocol (IP) addresses.Continue Reading
What is an SD-branch?
An SD-branch is a single, automated, centrally managed, software-centric platform that replaces or supplements an existing branch network architecture.Continue Reading
What is attenuation?
Attenuation is a general term referring to when any type of signal -- digital or analog -- reduces in strength.Continue Reading
What is a coaxial cable?
A coaxial cable -- or coax cable -- is a type of copper cable specially built with a metal shield and other components engineered to block signal interference.Continue Reading
What is a network management system?
A network management system (NMS) is an application or set of applications that enable network engineers to manage a network's independent components inside a larger network management framework and perform several key functions.Continue Reading