D doesn't make much sense, it's valid, but not what we're looking for. B also has a correlation with D, same reasoning applies. As for A, it seems pretty legit, but I don't believe that's what we're looking for.
Choice C is the most obvious one though. We're talking about a network and as may or may not know it's a wireless one in a manner of speaking. A <span>couple of computers in the network that have trouble maintaining a signal will indefinitely lead to failure of a network since both the links and nodes of certain computer systems are incapable of maintaining a signal. </span>
Developing your reading skill helps you majorly, being able to read well is a skill not all have, and being able to read faster and better helps you'll need this sought after skill to be able to read the articles and present them to anyone you need to, as well and professionally as possible.
Developing your writing skills helps by, you'll be able to present your work and write better to really get your audience attention and make a point to them.
Developing your speaking skills helps for you to speak loudly and clearly. Doing this makes you seem confident and professional vital for business.
In general, synchronous communication means you have to wait for the answer all the time. The programming logic is simpler, but the cost that you spend a lot of time waiting.
If the options are:
<span>a. The people communicating don't need to be online at the same time.
b. There is lag time in the communication.
c. The communication occurs in real time.
a is false, you do need to be online to receive the message
b is true, typically you continue only after an acknowledgement
c is true, you wait for acknowledgement that occurs in real time (not necessarily fast though)</span>