Protocols are the lifeblood of network communications. Every website, email, and electronic bank transaction depends on them. One of the core responsibilities for any IT and networking professional is troubleshooting network connections. This course introduces the main methods for troubleshooting network connectivity issues using different protocols and command-line (CLI) tools. Networking expert Greg Sowell covers HTTP and HTTPS, the protocols that deliver websites; shows how domain names are resolved via DNS; and explains how voice traffic is carried over a network with VoIP. Greg shows how to examine all these connections and their traffic using CLI tools such as ipconfig, ping, ARP, and Telnet. By the end of this course, you'll be better prepared to troubleshoot any network connection and keep the communication flowing.

Learn about servers including user administration, virtualization, storage security, networking disaster recovery, and server operating systems such as Windows Server and Linux.

Take a deep dive into neural networks and convolutional neural networks, two key concepts in the area of machine learning.

Take a developer-focused tour of SQL Server 2016. Learn how to use new features to write less code and bring increased security, performance, and reliability to your applications.

Learn how to establish your identity as a leader, connect with your team, and become a successful first-time manager.

Are you an AI specialist, a data scientist, a business leader, or someone who would like to know more about how artificial intelligence is impacting our world? In this course, instructor Dr. Jonathan Reichental introduces you to a hot topic in AI development: the GPT-3 (Generative Pre-trained Transformer 3) technology released by Open AI. Reichental describes the increasingly important role that AI is playing in business. He covers a brief history of AI, then tells you about how OpenAI got started, its mission and vision, and its unique charter. Reichental discusses the core concepts of GPT-3, how it adds value, and a few of its challenges and limitations. He describes the future of AI, then concludes with suggestions for next steps you and your organization can take relative to GPT-3 and AI.

Learn how to work with PostCSS and CSSNext. Discover how to create a single-page site that uses cutting-edge CSS features while maintaining compatibility with older browsers.

Become an expert recruiter within a specialized discipline, industry, or market sector. Learn how to select a niche, find the best candidates, develop a referral process, and more.

Create striking images using the Nik Collection by DxO. Learn how to leverage each of the seven plugins in the collection to add creative effects to your photos.

Go beyond the factory settings and make shooting with your Nikon D500 camera faster and more responsive with this collection of settings and customizing tips.

Details the features, controls, and options in the Nikon D5100.

Go beyond the factory settings and make your Nikon D5500 camera faster and more responsive with this collection of settings and customization tips.

Photographer and author Ben Long details the features, controls, and options in Nikon's popular D7000.

Go beyond the factory settings and make shooting with your Nikon D800 or Nikon D810 camera faster and more responsive with this collection of customization tips.

Learn how to use your Nikon D800 digital SLR—and improve your photography in the process—with this guide to the camera's features, controls, and exposure options.

Explore tactics that can dramatically improve your writing. Learn about the power of the four levels—narrative, paragraphs, sentences, and words—to make your writing stand out.

Hooked author Nir Eyal shares his approach to creating habit-forming products. Learn a four-step model for creating products that keep customers coming back for more.

Explore natural language processing (NLP) concepts, review advanced data cleaning and vectorization techniques, and learn how to build machine learning classifiers.

Learn how to communicate visual concepts without drawing so much as a stick figure. Start saving time with Photoshop, which ships with hundreds of pre-drawn custom shapes.

Got a brilliant idea for a mobile application or website? Even if you've never touched a code editor in your life, you can still make your concept a reality using one of the many no-code tools currently on the market. In this course, get a broad overview of some of the options available for designing and creating websites and applications without involving (much, if any) code and engineering. Instructor Jen Kramer explains what the current market of no-code website editors looks like, as well as the benefits and limitations of opting for a no-code toolset. She also breaks down the most popular platforms and tools that support no-code development. Learn how to build web apps with Bubble, generate mobile apps with Thunkable, make interactive content with Outgrow, and more. Tune in to get acquainted with some of the latest and greatest tools in the no-code universe.