Can system administration knowledge help in the backend realm?

Question

System administration

The whole point of my question is in the question itself)))
I just want to become a backender and delve into the theory of networks, protocols, etc.
To know how everything works at a decent level

Answer 1

They may help, or they may not.
In general, we do not mind - go deeper.

Answer 2

In the same way as knowledge of berries and fruits can help. There will be a task - to set the quantity value for Apples to 10. And then bam - you already know what Apples are.

Answer 3

Do not interfere

Answer 4

Yes

Answer 5

Of course they will.
But they are not necessary.