Lesson Summary. Systematic desensitization is a behavioral technique whereby a person is gradually exposed to an anxiety-producing object, event, or place while being engaged in some type of relaxation at the same time in order to reduce the symptoms of anxiety.For example, a very common phobia is the fear of flying.ierarchy of Fears. The next step in the systematic desensitization process involves constructing what is called a hierarchy of fears, which is a list of the things that the person identifies as fearful related to flying in order from the least to the most anxiety-provoking.
What is App Transport Security? ATS is a feature which requires an app to communicate with its related external servers over HTTPS. This is done via a declaration in its Info.plist file. ATS will be a major increase in security for Apple developers & users as it will prevent apps from accidental disclosure and offers secure environments.
The transport layer is similar to the OSI transport model, but with elements of the OSI session layer functionality. This layer provides an application layer delivery service. The two protocols found at the transport layer are TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) . Either of these two protocols are used by the application layer process, the choice depends on the application's transmission reliability requirements.