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What Is Attenuation? (And What It Means in Data Communication)
Terms like attenuation help us understand what data communication is and how it works. Learn what this term means and related careers in data communications.
October 12, 2023
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Learn more about the skills and certifications you need for a career in IT support, cybersecurity, cloud computing, and more.
Explore popular IT courses
Yonsei University
Skills you'll gain: Language Learning, Grammar, Vocabulary, Literacy
Beginner · Course · 1 - 3 Months
Stanford University
Skills you'll gain: Cooking, Preventative Care, Food and Beverage, Behavioral Health, Socioeconomics, Cultural Diversity, Education and Training, Culture, Environmental Issue
Beginner · Course · 1 - 3 Months
Microsoft
Skills you'll gain: Microsoft 365, Network Security, Cloud Management, Microsoft Azure, Business Software, Computer Hardware, Virtual Machines, Identity and Access Management, Cybersecurity, Network Troubleshooting, Desktop Support, Virtual Private Networks (VPN), Azure Active Directory, Technical Support, Hardware Troubleshooting, Hardware Architecture, Generative AI, System Monitoring, Virtualization and Virtual Machines, Disaster Recovery
Beginner · Professional Certificate · 3 - 6 Months
The world of IT offers a variety of career paths in diverse industries. An IT professional can specialize in cybersecurity to keep computers and businesses safe, cloud computing to make information easier to access, or in help desk roles to assist in the everyday functions of an organization. With so many options and opportunities available, it can be tricky to know where to start. On Coursera, you'll find expert resources to support your goals, whether you're just starting out or are ready to take the next step in your career. Explore information technology topics, including:
Typically, an IT certification refers to a qualification you receive that shows your competency in a specific field of information technology (IT). To get a certification, you generally must pass an exam that tests your capabilities in the field. Read this article about 10 Essential IT Certifications.
IT courses on Coursera are structured to accommodate learners at various levels:
The skills, practices, and technologies you’ll use as a cybersecurity professional will continue to evolve along with computer and network technology. The desire to learn, ability to problem solve, and attention to detail will serve you well in this field. Other, more technical skills and technologies to learn include: