Viruses are defined as an erroneous software program that is difficult to detect and that spreads fast through computer systems, damaging data or interfering with the operation of processor and memory systems. Discuss the many forms of software that have been linked to computer viruses in the past. Using firewall machines and software, which are often referred to as firewalls, it is possible to gain control and security over the Internet and other networks. Firewalls have a number of characteristics and functions, which you must describe.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Viruses are defined as an erroneous software program that is difficult to detect and that spreads fast through computer systems, damaging data or interfering with the operation of processor and memory systems.
Discuss the many forms of software that have been linked to computer viruses in the past.
Using firewall machines and software, which are often referred to as firewalls, it is possible to gain control and security over the Internet and other networks. Firewalls have a number of characteristics and functions, which you must describe.

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