COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK SECURITY AND CYBERSECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is easy to spot when your computer has a virus
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Viruses cannot be spread via email
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Viruses can completely destroy all the data on your computer
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Anti-virus software will always prevent a virus from attacking your computer
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Detailed explanation-1: -Like other threats, a computer virus can cause unwanted alteration or loss of data. The damage done depends on the computer virus. There are viruses that do no harm, others that just annoy the user, and still others that can completely destroy all your data files.
Detailed explanation-2: -What does a computer virus do? Some computer viruses are programmed to harm your computer by damaging programs, deleting files, or reformatting the hard drive. Others simply replicate themselves or flood a network with traffic, making it impossible to perform any internet activity.
Detailed explanation-3: -Mydoom. Considered by many to be the most dangerous computer virus in history, the Mydoom virus cost around $38 billion worth of damage in 2004.
Detailed explanation-4: -Overwrite viruses. Some viruses are designed specifically to destroy a file or application’s data. After infecting a system, an overwrite virus begins overwriting files with its own code. These viruses can target specific files or applications or systematically overwrite all files on an infected device.