![[Featured image] An IT support professional wearing glasses works on their laptop in a server room.](https://images.ctfassets.net/wp1lcwdav1p1/1wg3MjkIt5BcMrIcdJ72BE/150551feb787afc2b0c7b6b60bb1d657/GettyImages-1347879996.jpg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
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
Discover the possibilities of a career in IT by exploring the skills and certifications needed for exciting roles in IT support, cybersecurity, cloud computing, and more.
![[Featured image] A security engineer is doing maintenance on his company's physical server machines.](https://images.ctfassets.net/wp1lcwdav1p1/jHGnENzUQH9oubWDOmRlg/99ecd4df64dbf072269f850986002f8b/iStock-950514452.jpg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
![[Featured image] Three security engineers examining data security protocols on a computer monitor inside a server room.](https://images.ctfassets.net/wp1lcwdav1p1/6ml4UooJ7Fy0SedX8v5xeF/90ac87df2c30dba80ad80bfbbf007388/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: Information Technology, Computer Hardware, Cloud Computing, Network Troubleshooting, Software Installation, Technical Support and Services, Cybersecurity, Cloud Infrastructure, Hardware Troubleshooting, Data Storage, Database Software, Operating Systems, Computer Networking, Computer Security Awareness Training, Computer Programming, Virtual Private Networks (VPN), Project Management
Skills you'll gain: Git (Version Control System), GitHub, Version Control, Infrastructure as Code (IaC), Debugging, Bash (Scripting Language), Test Automation, Puppet (Configuration Management Tool), Infrastructure As A Service (IaaS), Cloud Services, Technical Communication, Web Services, Email Automation, Automation, Python Programming, Interviewing Skills, Applicant Tracking Systems, Configuration Management, Program Development, Programming Principles
Skills you'll gain: Cloud Computing Architecture, Technical Support, Cloud Services, Cloud Deployment, Generative AI, Hardware Troubleshooting, IT Service Management, Cloud Security, Cloud Infrastructure, Cybersecurity, Cloud Platforms, Cloud Computing, Professional Networking, Help Desk Support, Data Storage, Desktop Support, Peripheral Devices, Information Technology, Artificial Intelligence, Customer Service
![[Featured image] A woman sits on a sofa with a laptop working as a cybersecurity analyst.](https://images.ctfassets.net/wp1lcwdav1p1/2XwMCYZ84VAs2vaVvDBvtY/0f8887fe64e0499c65e1eb4cf6d8ae3e/GettyImages-1658808832.jpg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
![[Featured Image] A beta tester is working from home on their laptop.](https://images.ctfassets.net/wp1lcwdav1p1/2McUtRRUSscL1H7jwZ69Wk/d2c6c7603232dfa8c56aaa1352da806e/GettyImages-1731262679.jpg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
![[Featured Image] A technical support specialist assists a colleague.](https://images.ctfassets.net/wp1lcwdav1p1/5cG9k7hT1NFJ6VPiGkpo7n/d35b0b984cf4293af2b462c3c5f9cfcb/GettyImages-600697856.jpg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
![[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)
![[Featured Image] A system administrator is in front of their computer on their desk, researching new jobs and system administrator salaries.](https://images.ctfassets.net/wp1lcwdav1p1/3UgeK8o0pMafCvwVFWlXD/3b317d8d4d71297314984d7b63df1b5a/GettyImages-1313131450.jpeg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
![[Featured Image] A cloud security engineer is working on their cloud security certification while working on their 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)
![[Featured Image] A technical support engineer has on headphones and works at their desk, troubleshooting customer network and tech issues.](https://images.ctfassets.net/wp1lcwdav1p1/6RYYfl482kuXpfD52Vg7aO/64f351d91851eb9eab19b93ce17d207f/GettyImages-1270220777.jpeg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
![[Featured Image] An IT project manager works with an IT professional while reviewing a software project in their office.](https://images.ctfassets.net/wp1lcwdav1p1/1J96vVhbyDCgXV9LSjxjxT/c0090e67c8872f2161e6f1c12d5d5a35/GettyImages-1211994303.jpeg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
![[Featured Image] An IT professional researches the best CompTIA certification path while on their laptop.](https://images.ctfassets.net/wp1lcwdav1p1/63fPsQkeTxlxfYyUabaY7b/6b6909497ced2df51817ba736b187ce1/GettyImages-1167039653.jpeg?w=330&h=216&q=60&fit=fill&f=faces&fm=jpg&fl=progressive)
In today's rapidly evolving technological landscape, IT professionals with specialized skills are highly sought after across many industries. A career in IT provides the opportunity to harness your technical expertise to drive innovation and streamline business processes. Delve into the diverse career paths, critical skills, and various roles within the IT field to embark on a fulfilling and impactful career that shapes the future of technology.
Interested in IT support? Find out more about what an IT support specialist does and popular IT certifications.
Interested in network administration? Read about typical network administrator roles and responsibilities, and explore certifications in networking.
Interested in cloud computing? Dive into a cloud architect's daily work and popular cloud certifications in the field.
Ready to start learning? Explore our catalog of IT support, network, and cloud computing courses for beginners and experienced professionals.
