Answer:
The answer is (a).Presentation Layer
Explanation:
This layer is located at the 6th level of the OSI model, responsible for delivering and formatting the information to the upper layer for further processing. This service is needed because different types of computer uses different data representation. The presentation layer handles issues related to data presentation and transport, including encryption,translation and compression.
B.
it's literally common sense
A scientific experiment is repeatable. Pseudoscience makes claims that cannot be either confirmed or denied. Both seem to want to explain our experiences and broaden our understanding. Science, as a working method, employs basic principles such as objectivity and accuracy to establish a finding. It often also uses certain admitted assumptions about reality, assumptions that must eventually support themselves and be proven, or the resulting finding fails verification. Pseudoscience, however, uses invented modes of analysis which it pretends or professes meet the requirements of scientific method, but which in fact violate it's essential attributes. Many obvious examples of pseudoscience are easy to identify, but the more subtile and herefore more insidious and convincing cases.
Basic validation
Data validation
Explanation:
Hyperlink is the primary method used to navigate between webpages.
Hyperlink can redirect us to another webpages, such as websites that has graphics, files, sounds on the same webpage.