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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
Article
IT
Learn more about the skills and certifications you need for a career in IT support, cybersecurity, cloud computing, and more.
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![[Featured image] Three security engineers examining data security protocols on a computer monitor inside a server room.](https://images.ctfassets.net/wp1lcwdav1p1/6ml4UooJ7Fy0SedX8v5xeF/8a375e3811264a1b69f456624a053e1c/GettyImages-672157207.jpg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
Explore popular IT courses
Skills you'll gain: Cloud Computing Architecture, Technical Support, Technical Support and Services, Cloud Services, Cybersecurity, Computing Platforms, Hardware Troubleshooting, Computer Hardware, IT Service Management, Cloud Security, Cloud Infrastructure, Network Troubleshooting, Peripheral Devices, Encryption, Data Storage, Software Development Life Cycle, Professional Networking, Information Technology, Cloud Computing, Interviewing Skills
Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Incident Response, Network Security, Vulnerability Scanning, Security Management, Penetration Testing, Cybersecurity, Authentications, Vulnerability Assessments, Encryption, Firewall, Identity and Access Management, Hardening, Threat Detection, Disaster Recovery, Multi-Factor Authentication, Public Key Infrastructure, Mobile Security, Wireless Networks
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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
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![[Featured image] A cybersecurity analyst sits at their desk and studies for the CISSP certification exam.](https://images.ctfassets.net/wp1lcwdav1p1/325tGZNVtz4wI9x7Ego4Dw/3c60fe4325bf1527c27bc541f5f697ae/GettyImages-953534132.jpeg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
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![[Featured Image] A cloud security engineer is working on his cloud security certification while working on his computer.](https://images.ctfassets.net/wp1lcwdav1p1/rN0YPA0T6pI0sRa5JifZ2/5ca3a8bce6662c9f9397a7579653e77d/GettyImages-1387361694.jpeg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
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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:
