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What Is a Data Link Layer?
Explore the role the data link layer plays in the OSI model, including its benefits and common functions, and how to start working with OSI systems.
September 4, 2024
Article
Learn more about the skills and certifications you need for a career as software or DevOps engineer, mainframe developer, QA tester, and more.
Explore popular software development courses
Skills you'll gain: Istio, Node.JS, Software Development Life Cycle, Kubernetes, Unit Testing, Cloud Computing Architecture, Server Side, Application Deployment, React Redux, Cloud Services, Django (Web Framework), Cloud-Native Computing, Object-Relational Mapping, Git (Version Control System), Full-Stack Web Development, HTML and CSS, Cloud Computing, Jupyter, Large Language Modeling, Interviewing Skills
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: Software Development Life Cycle, Development Environment, Software Engineering, Software Development Tools, Software Architecture, Software Design, Programming Principles, Unified Modeling Language, Agile Methodology, Software Development, Scrum (Software Development), Cloud Development, Integrated Development Environments, Back-End Web Development, Front-End Web Development, Python Programming
Beginner · Course · 1 - 3 Months
Microsoft
Skills you'll gain: Excel Macros, Prompt Engineering, Microsoft Excel, Data Cleansing, Excel Formulas, Pivot Tables And Charts, Microsoft Copilot, Dashboard, Forecasting, Data Presentation, Data Storytelling, Data Processing, Data Visualization Software, Data Manipulation, Data Visualization, Predictive Modeling, Data Quality, Statistical Analysis, Data Transformation, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months
Software development covers a wide variety of skills and careers, from programming to quality assurance to DevOps. 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 software development topics, including:
Software developers design specific computer systems and application software. Software engineers work on a larger scale to design, develop, and test entire computer systems and application software for a company or organization—software development is a subset of software engineering.
Read more: Software Developer vs. Software Engineer: What Are the Differences in These Roles
Many factors can affect individual earnings. According to the US Bureau of Labor Statistics (BLS)*, the median pay in the US for software developers, quality assurance analysts, and testers was $124,200 per year as of 2022.
*US Bureau of Labor Statistics. "Occupational Outlook Handbook: Software Developers, Quality Assurance Analysts, and Testers, www.bls.gov/ooh/computer-and-information-technology/software-developers.htm." Accessed January 26, 2024.
Here are a few things to consider when deciding which programming language to learn:
Current skill level. Some languages have a steeper learning curve than others. If you're brand new to programming, it's best to select a language that is beginner-friendly.
End goals. You may want to learn a programming language to accomplish a specific task, for example, creating a video game. Or, you might be interested in starting a career in programming. Either way, identifying your goals will help guide you in the right direction.
Popularity. Some programming languages are more widely used than others. Choosing a popular programming language can help you build in-demand skills and provide you with more resources and a larger community of programmers.
Read more: What Programming Language Should I Learn?