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1. The remainder of the data rate are/is the overhead bits that are required for transmission. (Do I use 'are' or 'is' for that bold part of the sentence? Is the subject 'remainder'? If so, I should use 'is' right?)

Thanks.
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Jack112<>1. The remainder of the data rate are/is the overhead bits that are required for transmission. (Do I use 'are' or 'is' for that bold part of the sentence? Is the subject 'remainder'?

is this your paper?


Anyway, something isn't not logical about this phrase. "Data rate" means speed of transmission (bit per second, etc). You can't say that (parts of a) speed are/is some bits (the overhead bits).
Perhaps you can see that parts of a frame are overhead bits,. but that's something else.
Comments  
It should be 'is' here.

I have 24Mbit per second. My ISP gives me 24Mbit per second.
This is called bandwidth.

My bandwidth is 24Mbit per second. The word 'bandwidth' is a synonym for the words 'data transfer rate'. [ This is purley in computer networking. Their may be different definitions for other electronic communications.]
 Marius Hancu's reply was promoted to an answer.