The underscore.
But actually you can use spaces in file names, in many file managers. I think it just shows you a space while it actually saves an underscore, or something like this.
Answer:
Explanation:
There is a solution called ETA (Encrypted Traffic Analytics) this is a security advanced network that helps us to identify malware between the encrypted data, but with this tool is no necessary to break any protection and privacy chain.
This technology use machine learning to read all the traffic without deciphering it, in this way we can detect a difference between reliable and malicious traffic.
En windows we can use Microsoft Security Essentials like antivirus and detect virus, we can use Process Explorer, analyze the traffic, we can use Microsoft Network Monitor.
In a sense yes as it has a more user friendly interface but in terms of usability android is a far better os
C
D is the old way.
A they have not done yet
B not even a thing