If you can see the DTE/DCE cable, you can tell by looking which router has the DCE interface connected to it - the letters "DTE" or "DCE" will either be molded into the connector itself, or if it's an older cable there should be a little piece of tape on the cable that tells you what the interface type is.
They are examples of constraints.
If you mean you have no knowledge of the subject you're supposed to be researching, than that's the disadvantage, because you will have many,many different pages for what the search engines can relate what you're searching on to what it hints will help.
Disadvantages of using a computer when you don't know how to use a computer.
You don't know how to use a computer.
Answer:
What do the stapedius and gluteus maximus have in common? They move the hips and thighs. They are attached to bones. They are the largest muscles.
Explanation:
