Mastering ChatGPT

This training was created for the IT staff of mobile/telecom providers, ITSPs (Internet Telephony Service Providers), Consultants, Call Centers or any other company using IP telephony. The performance of these professionals is essential to reduce the churn and the stress of the operation. SIP troubleshooting is a key skill in these scenarios. It is a result of years in the frontlines of the tech support of a softs-switch developer, troubleshooting hundreds of deployments. I have prepared two extras for this training. The first is a Virtual Machine in open virtualization format with a SIP server running as a Proxy, B2BUA and Redirect. The second is a list of SIP responses with comments on how to troubleshoot the most common SIP error messages. I sincerely hope you enjoy this training.There are 5 practical labs to do with your VM and softphones in this training. Content: Section 1 - Introduction to SIPWhy is SIP relevantIntroduction to SIPComplete SIP Proxy free downloadSIP Registration Process and DemoCapturing SIP Packets with wireshark and sngrepAssignment: Analyzing a SIP registrationSession Setup and ManagementSIP trapezoid and ladderServer ArchitecturesSIP headers and BodySIP Call Flow DemoAssignment: Analyze a SIP CallSection 2 - SIP Capturing and FilteringSIP Capture IntroductionDemo contextDemo ngrepDemo sngrepDemo wiresharkSection 3 - SIP Dialogs, Transactions and TimersSIP Transactions and TimersSIP DialogsAssignment: Transactions and Dialogs​Section 4 - Handling and analyzing MediaMedia EncodingSes

Unlock the power of OpenAI Codex and learn how to build real-world applications using AI — without needing to become a professional programmer. This beginner-friendly yet powerful course teaches you how to use OpenAI Codex, AI coding agents, and natural language prompts to create websites, automate workflows, build SaaS products, generate APIs, debug applications, and accelerate software development faster than ever before.Whether you're an entrepreneur, creator, freelancer, student, or developer, this course will help you master AI-powered coding workflows using the latest OpenAI Codex tools and agentic development techniques. OpenAI is rapidly expanding Codex into a full AI engineering platform with autonomous coding capabilities, cloud sandboxes, automation workflows, and app-building features. What You’ll LearnMaster OpenAI Codex from beginner to advancedBuild apps using plain English promptsCreate websites, tools, dashboards, and SaaS products with AIUse Codex CLI, Codex Cloud, and AI coding agentsGenerate frontend and backend code automaticallyDebug, refactor, and optimize code using AIBuild projects faster with AI-assisted development workflowsIntegrate GitHub and version control with CodexLearn prompt engineering specifically for coding with AIAutomate repetitive development tasks using OpenAI toolsUnderstand modern “vibe coding” and agentic software developmentWhy Learn OpenAI Codex?OpenAI Codex is transforming how software is built by enabling developers and non-developers to create applications through natural language instructions. Modern Codex systems can write features, fix bugs, generate pull requests, understand existing codebases, and automate entire development workflows. (Wikipedia)This course is designed to help you stay ahead in the AI revolution by teaching practical, real

Ready to take your iOS development skills to the next level? Dive into app creation with BlossomMovie, a fully functional iOS app built using SwiftUI and Xcode.New lectures are released every week, ensuring the content stays fresh and delivers maximum value until the course is complete!What You'll Build:BlossomMovie is a dynamic movie discovery app with exciting features:Home Screen: Showcases trending and top-rated movies and TV shows using the Movie Database API.Upcoming Movies Tab: Displays a scrollable list of upcoming movies.Search Functionality: Allows for real-time search results in grid view for movies and TV shows.Detail Screens: Provides detailed information, descriptions, and trailers with the help of the YouTube API.Download Tab: Enables content downloads and seamless offline access.What You'll Learn:SwiftUI Essentials: Master SwiftUI and design beautiful, responsive user interfaces.API Integration: Work with real-world APIs like Movie Database and YouTube to fetch and display data.SwiftData Basics: Manage and persist app data effectively.Advanced Features: Implement vertical and horizontal scrolling, navigation, and search functionalities.Why Take This Course?This course is perfect for beginners who want to solidify their SwiftUI skills while building a real-world app. You'll gain valuable experience working with APIs, data management, and user-friendly interfaces, all while staying up-to-date with the latest tools and frameworks in iOS development.Join Carlos from Blossom Build, and let’s create something amazing together! Whether you're an aspiring developer or looking to sharpen your skills, this course is your gateway to iOS development excellence.

This course contains the use of artificial intelligence.Are you looking for a fast, focused CRISC exam review? This fast-track CRISC certification prep course distills every testable concept across all four ISACA domains into condensed, high-density lessons — so you can review efficiently and walk into your CRISC exam with confidence.This course assumes working knowledge of IT risk and governance and focuses on the specific framing, terminology, and decision patterns that ISACA tests on the CRISC exam. If you need the full deep-dive, pair this with the CRISC Cert Masterclass. If you need targeted review and exam-day readiness, this is the course.**Domain 1 — IT Risk Governance (26%):** Risk ownership, ERM frameworks, the Three Lines Model, risk appetite vs. tolerance, and regulatory compliance. **Domain 2 — IT Risk Assessment (20%):** Threat identification, vulnerability analysis, risk scenarios, qualitative and quantitative methods, business impact analysis, and the risk register. **Domain 3 — Risk Response and Reporting (32%):** The largest domain — risk response strategies, vendor and third-party risk, control design and testing, KRIs, monitoring programs, executive reporting, and emerging risk. **Domain 4 — Information Technology and Security (22%):** Enterprise architecture, SDLC and DevOps governance, data classification, BC/DR, cloud risk, NIST, ISO 27001, and privacy.Every domain ends with CRISC-style practice questions that mirror ISACA's scenario-based format — multiple plausible answers where you must select the best one. These questions help you identify weak areas and calibrate your exam readiness before test day.Built for IT risk analysts, security managers, compliance professionals, auditors, and governance specialists who want an efficient CRISC exam review without sitting through hours of introductory material. Get straight to what ISACA actually tests.

Modern software development and cloud operations demand speed, reliability, automation, and continuous improvement. Organizations across the world are adopting DevOps practices to streamline development workflows, improve collaboration, accelerate deployments, and deliver high-quality applications faster than ever before. As a result, skilled DevOps professionals are among the most in-demand experts in today’s technology industry.AZ-400: Microsoft DevOps Engineer Expert certification is designed for professionals who want to validate their expertise in combining people, processes, and technologies to continuously deliver valuable products and services using Microsoft Azure and DevOps practices.This Practice Exam is specifically created to help you prepare confidently for the AZ-400 Microsoft DevOps Engineer Expert certification exam through comprehensive, realistic, and exam-focused practice tests. Whether you are a DevOps engineer, cloud engineer, software developer, system administrator, site reliability engineer, or IT professional working with Azure technologies, this course will help you strengthen your knowledge and improve your certification readiness.Unlike traditional courses that focus only on theory, this practice exam course emphasizes hands-on exam preparation using carefully designed questions that closely match the structure, difficulty, and style of the actual AZ-400 certification exam. The goal is to help you develop a deep understanding of DevOps concepts while improving your confidence in solving real-world certification scenarios.Each practice question includes detailed explanations to help you fully understand the reasoning behind the correct answers. These explanations reinforce important DevOps concepts, Azure services, automation strategies, CI/CD practices, infrastructure management, monitoring solutions, and security best practices.One of the major advantages of this course is flexibility. You ca

The Cisco CCNP:ENCOR – Implementing and operating Cisco enterprise network core technologies is a preparatory course for the candidates appearing for the professional level Exam 350-401. Cisco has made this exam compulsory to achieve any professional level certification. All the tracks such as routing switching, wireless, security and collaboration require this exam along with one or two additional specialization exam to qualify for Cisco’s professional level certification.This course is comprehensively designed keeping in view the exam content and the preparation required to successfully clear the exam. The topics covered include enterprise architecture, VLANs, trunking, switching, etherchannels, routing protocols, network address translation, redundancy, spanning-tree protocol, VPNs, WLAN, QoS, multicast protocols and lastly the latest developments in the field of networking like Cisco DNA, APIs, Python scripting and software defined networking.The topics covered by this course are also beneficial for the network administrators working in enterprises of any size as the topics also include the day-to-day troubleshooting, operations and maintenance required to keep networks up and running. The course provides an excellent opportunity to enhance the skills and update your knowledge to the latest offerings by the leader in enterprise networking, i.e., Cisco.Overall, the course is very well designed and concisely timed to give a complete overview of the exam contents for CCNP-ENCOR exam. The course enables the students to feel confident while appearing for the exam as well as for the professionals to be able to perform their job duties effectively and efficiently by using the latest techniques and tools offered by Cisco products.