This question requires that you evaluate the underlined text to determine if it is correct.
According to the OSI model, encryption takes place on the “transport layer”.
Select the correct answer if the underlined text does not make the statement correct. Select ‘No change is needed” if the underlined text makes the statement correct.
A. Presentation
B. Network
C. Application
D. No change is needed
Yes A. But a bit of a grey area. From a cited wiki source: “Encryption is typically done at this level [Presentation] too, although it can be done on the application, session, transport, or network layers, each having its own advantages and disadvantages
My guess is that this is just a matter of process of elimination