[TASK] Check Internet Availability v1.1

DESCRIPTION
This task includes different methods by which you check if Internet access is available.

Notes:
- Thanks to @MadManX99 (Reddit) and @agnostic-apollo (Reddit) for helping on improving it.
- As ICMP traffic can be blocked/filtered by Google (as other servers too), you can use the following root servers sites: Site_1, Site_2.