What are Firewalls? 

Always providing real life examples, I appreciate that!

You make this so clear!

Ohhh thank you I've really needed this

Always enjoy the illustration in the simplified explanation.

You are the best instructor. Keep up the good work

Crystal clear explanation! Loved it. Thankyou!

Keith is best as always. Thanks.

Finally a good explanation!!!

you make remember the great movie of jim carry YES MAN

Stateful If you were worried about his hand writing.

thank you

Well stated amigo

thanks man im really enjoying your content go on !

Athena

Man that chair! Is it really actually comfortable? I hear bad things about them

Thanks I want online class cyper security Where I can get?

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thank you