Author Archives: uliya

Java 13 is a historical release of the Java Development Kit, published in September 2019. Understanding its changes can be useful when maintaining applications originally built during that period or studying how the Java platform evolved, but it is not a current long-term-support target. An engineer starting a new production application in 2026 should first […]

AWS security tools solve different problems. Some detect suspicious activity, some assess vulnerable workloads, some reveal risky access paths, and others collect findings or check resource configurations against a baseline. Treating these services as interchangeable creates blind spots: a threat detector does not prove that an IAM role is least privileged, and a passing configuration […]

Internet of Things (IoT) work is often described as connecting ordinary objects to the internet. That description misses the difficult part. A useful connected product must sense or act in the physical world, transmit information reliably, protect people and data, continue working when a network is unavailable, and remain maintainable throughout its life. The engineers […]

Computer networking forms the invisible backbone of nearly every technology system in use today. From sending a simple email to streaming high-definition video across continents, every digital interaction depends on networks functioning correctly behind the scenes. For anyone considering a career in information technology, developing a solid grasp of networking fundamentals is not optional. It […]

Microsoft’s Azure certification portfolio is organized around professional responsibilities rather than the broad MCSA and MCSE tracks that existed during the platform’s earlier years. That makes a credential useful only when the skills it measures correspond to work the candidate wants to perform. Administration, solution design, application development, identity and security, networking, analytics, and DevOps […]

Agile approaches have become an important part of project delivery beyond software, but their usefulness still depends on the type of work, its governance needs, and the people involved. Organizations in fields such as healthcare, financial services, manufacturing and marketing sometimes use shorter delivery cycles, clearer feedback loops and cross-functional collaboration to respond to uncertain […]

Current program naming (February 2026): Cisco rebranded the DevNet track as CCNA, CCNP, and CCIE Automation on February 3, 2026. DevNet Associate became CCNA Automation; the 200-901 exam identifier continues under the CCNAAUTO name. This earlier article remains a historical account of the original DevNet launch, not the current certification branding. Professionals starting now should […]

Microsoft Certified Solutions Associate (MCSA) was a family of product-oriented Microsoft credentials covering Windows Server, SQL Server, Office 365 and other technologies. It occupied a historical position below the Microsoft Certified Solutions Expert (MCSE) tracks. It is not an available certification path in October 2026: the remaining MCSA, MCSD and MCSE exams retired on January […]

This is a historical comparison of storage services discussed in 2019, not a current pricing or free-tier guarantee. Providers, storage quotas, security controls, and account policies may have changed; compare the official terms before choosing a service today. In 2019, phones and computers were generating more photos, video and working files than many people wanted […]

Public cloud can shorten the time between needing an IT capability and making it available, but it does not automatically make every workload cheaper, safer, or easier to operate. The decision depends on demand patterns, existing infrastructure, data movement, staffing, regulatory obligations, and the reliability the business must actually deliver. A retailer expecting sharp seasonal […]

The CISSP certification has long been considered one of the most prestigious credentials in the information security industry. Offered by ISC2, it carries significant weight in enterprise environments, government agencies, and consulting firms around the world. For many IT professionals, the question is not whether the certification is respected but whether the investment of time, […]

An IT manager does not become effective by installing the largest possible collection of dashboards. The role involves making services reliable, protecting information, organizing the people who support those services and using evidence to allocate scarce time and money. Software helps when it makes those responsibilities visible and repeatable. It becomes a distraction when different […]

Receiving multiple job offers simultaneously should feel like a straightforward success story, but most professionals who find themselves in this position report that the decision-making process is surprisingly stressful and disorienting. The difficulty stems from several converging factors that make objective evaluation genuinely challenging. Each offer typically excels in different dimensions — one might pay […]

A certification may be difficult because its assessment is technically deep, because it demands extensive work experience, or because its preparation consumes substantial time and money. Those characteristics are different. A highly experienced engineer might find a practical routing lab straightforward but struggle with a management framework outside their daily work. A first-time candidate might […]