Use ping command to check the connectivity to any of the known DNS servers of the Internet Service Provider. If ping fails, then there is no internet connectivity or network is not through.
The best way to pass them is simply by abstinence from it, check detection time for drug you do .For example " Mouth swab saliva drug tests prime detection range for THC is normally up to 48 hours,...
Contact a reputable service provider and get DSL or cable service if you can. These companies will have representatives that will help you connect with as little trouble as possible. They will also...