Learning Tree International Blog

A familiar quote of teachers and educators is, “we learn by doing.” As a child, my parents used that to encourage me to my math homework. I am sure I am not the only child who experienced that! I prefer a slightly different version of the quote: “we learn by applying.” Some readers of my […]

One major topic in Learning Tree Course 468 System and Network Security Introduction is that of encryption. It is a core technology in cyber security because it is used to secure confidential data, as well as protect passwords and the integrity of documents. There are two basic families of encryption used to ensure the confidentiality […]

Microsoft VS Code is a programmer’s development environment designed to run on all the major desktop operating systems. However, VS Code has also evolved into a cross-compilation environment, which is to say one can write and compile code on a Windows PC, Linux, or a Mac and then upload the code to a different hardware […]

The Biggest New Thing in C# for Years But hang on – haven’t reference types always been nullable? That’s absolutely right. It’s fundamental to the way a reference type works. The variable doesn’t contain the data itself, but a reference to a separate memory location where the data is stored. Thus if there’s no data, […]

Effective May 1, 2021, the CISSP certification exam will be changing as part of (ISC)2®’s effort to ensure continued market relevance for their certifications, as well as align with new knowledge and the latest best practices. As (ISC)2’s first Premier Global Training Partner, Learning Tree and our expert instructors want to help you prepare for […]