Q410. The first paper published on firewall technology was in ____, when engineers from Digital Equipment Corporation (DEC) developed filter systems known as packet filter firewalls:

Вариант ответа 1 - a) 1988

Вариант ответа 2 - b) 1999

Вариант ответа 3 - c) 1992

Вариант ответа 4 - d) None of These