Computer Crimes Detective: A suspect monitored by our team was witnessed logging into Website X. Soon thereafter, Website X crashed due to a Trojan virus attack, causing damages estimated at millions of dollars. The same suspect also logged into Website Y. An hour after the suspect signed out of Website Y, it was attacked by the same virus and, subsequently, crashed. This strongly suggests that the suspect is either a hacker who is using this virus to shut websites down, or an unwitting user infected with the virus.
A major flaw in the detective's argument above is that
A) the detective overlooks the fact that during the second attack, the suspect had already been disconnected
B) the detective ignores the possibility that two different people could have used the same computer
C) the detective confuses the person who wrote the virus with the person who deployed it
D) the detective connects the cases of Websites X and Y and supposes that a pattern exists
E) the detective ignores the possibility that other people may have also been logged into the websites the same time that the suspect was
OA E
Source: Economist Gmat
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Computer Crimes Detective: A suspect monitored by our team w
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OPTION A:- INCORRECT
It doesn't seem to be a flaw judging from the fact that both website crashed after the suspect logged in not minding if he was still in or already logged out.
OPTION B:- INCORRECT
The possibility that two different people could have used the same computer is not very much feasible because the detective claimed to have monitored the suspect and even witnessed him using the computer to log into the mentioned websites, if another person had used the same computer, he/she should have been sighted by that same team.
OPTION C:- INCORRECT
The detective clearly stated that the suspect is either a hacker who is using virus to shut down website X and Y or an unwitting user infected with the virus, so the argument isn't flawed because the detective didn't confuse either of this people.
OPTION D:- INCORRECT
The pattern is connected due to the fact that it was the same Virus that affected both the websites, this isn't a flaw to the argument because it is true and also serves as an evidence.
OPTION E:- CORRECT
This is the only logical reason to why the detective's argument can be flawed. It is very much possible that the other people also logged into the website the same time that other people also logged into the website the same time that the suspect did, and posses a serious flaw to the detectives argument because the detectives argument because the detective focuses on just a person without entertaining the possibility that there are other suspects who might have spread the virus.
It doesn't seem to be a flaw judging from the fact that both website crashed after the suspect logged in not minding if he was still in or already logged out.
OPTION B:- INCORRECT
The possibility that two different people could have used the same computer is not very much feasible because the detective claimed to have monitored the suspect and even witnessed him using the computer to log into the mentioned websites, if another person had used the same computer, he/she should have been sighted by that same team.
OPTION C:- INCORRECT
The detective clearly stated that the suspect is either a hacker who is using virus to shut down website X and Y or an unwitting user infected with the virus, so the argument isn't flawed because the detective didn't confuse either of this people.
OPTION D:- INCORRECT
The pattern is connected due to the fact that it was the same Virus that affected both the websites, this isn't a flaw to the argument because it is true and also serves as an evidence.
OPTION E:- CORRECT
This is the only logical reason to why the detective's argument can be flawed. It is very much possible that the other people also logged into the website the same time that other people also logged into the website the same time that the suspect did, and posses a serious flaw to the detectives argument because the detectives argument because the detective focuses on just a person without entertaining the possibility that there are other suspects who might have spread the virus.
