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What Is a Three-Way Handshake?
Learn what a three-way handshake is and why it’s important in network communications.
January 31, 2024
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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
Skills you'll gain: Artificial Intelligence, Generative AI, Data Ethics, OpenAI, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Artificial Neural Networks, ChatGPT, Governance, Machine Learning, Business Transformation, Ethical Standards And Conduct, Computer Vision, Emerging Technologies, Natural Language Processing
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Cyber Threat Hunting, Incident Response, IT Service Management, Identity and Access Management, Cloud Computing, Governance Risk Management and Compliance, Information Technology Infrastructure Library, Endpoint Security, Malware Protection, Penetration Testing, Linux, Computer Security Incident Management, Database Management, Network Security, Networking Hardware, TCP/IP, Cybersecurity, Cyber Threat Intelligence, Interviewing Skills, Cyber Security Assessment
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months
Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Command-Line Interface, Amazon CloudWatch, AWS CloudFormation, Root Cause Analysis, Amazon DynamoDB, Network Troubleshooting, Amazon Web Services, Customer Relationship Management, Software Architecture, IT Automation, Linux Commands, Cloud Computing, Linux, Amazon S3, Scalability, Scripting, Cloud Infrastructure, Web Applications
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: