PrepTest 79, Section 1, Question 22
There are exactly six computers—P, Q, R, S, T, and U—on a small network. Exactly one of those computers was infected by a virus from outside the network, and that virus was then transmitted between computers on the network. Each computer received the virus exactly once. The following pieces of information concerning the spread of the virus have been established:
There are exactly six computers—P, Q, R, S, T, and U—on a small network. Exactly one of those computers was infected by a virus from outside the network, and that virus was then transmitted between computers on the network. Each computer received the virus exactly once. The following pieces of information concerning the spread of the virus have been established:
There are exactly six computers—P, Q, R, S, T, and U—on a small network. Exactly one of those computers was infected by a virus from outside the network, and that virus was then transmitted between computers on the network. Each computer received the virus exactly once. The following pieces of information concerning the spread of the virus have been established:
There are exactly six computers—P, Q, R, S, T, and U—on a small network. Exactly one of those computers was infected by a virus from outside the network, and that virus was then transmitted between computers on the network. Each computer received the virus exactly once. The following pieces of information concerning the spread of the virus have been established:
No computer transmitted the virus to more than two other computers on the network.
S transmitted the virus to exactly one other computer on the network.
The computer that transmitted the virus to R also transmitted it to S.
Either R or T transmitted the virus to Q.
Either T or U transmitted the virus to P.
The spread of the virus among the computers is completely determined if which one of the following is true?
R transmitted the virus to Q.
T transmitted the virus to Q.
T transmitted the virus to S.
U transmitted the virus to P.
U transmitted the virus to R.
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