Answer:
d. All of the above
Explanation:
Physical layer is the lowest layer of the OSI reference model that deals with the setup of physical connection to the network and with transmission and reception of signals.
Full duplex (FDx) is a bidirectional type of communication system where two end nodes send and receive data signals at the same time, and a single carrier is simultaneously used for dual communication.
To send or receive data, the participating nodes in a Full Duplex system do not have to wait for a free carrier/medium. It employs a medium that has at least two internal channels - one for sending and one for receiving.
Based on the above explanations, options A, B and C are valid and are correct ways to accomplish full-duplex (FDX) digital communications on guided medium at the physical layer (OSI Layer 1). There all of them are correct.
I believe it is 8
Hope this helps
Answer:
Merge shapes
Select the shapes to merge. Press and hold Shift to select multiple shapes. The Shape Format tab appears. ...
On the Shape Format tab, click Merge Shapes, and then pick the option you want. The order in which you select the shapes to merge may affect the options shown to you.
Explanation:
I believe the first three. 1 and 2 are safety precautions. 3 can help someone remember what the file is. For number 4, the computer will typically do that on its own but not as the exact file name. Usually by right clicking and looking under info it will show the size of the file.
