The correct answer is: OA. It enables people with no coding skills to create websites.
The closest line to that would be the first line:
#!/bin/bash
echo "Hello World!"
BTW, the "#!" is referred to as a she-bang. When those are the first characters executed, the (requires an absolute path) program that follows is launched, and the rest of this file is given to it as data. To run this like a program, the execute permissions need to be set ( chmod 0755 script.sh ).
VoIP stands for Voice over Internet Protocol. VoIP <span>is a digital telephone </span>service in which calls are sent and received over the Internet. High speed Internet connection a VoIP phone service <span>provider are </span><span>needed in order to have this type of service. </span>
It is true, that VoIP service is interrupted during a power failure. You should <span>have </span>backup power supplies to support your VoIP network when the power is out in order to have uninterrupted service.
