Q86.
b
Section
9-5 Security
Answer
Explanation
Leaks of confidential data can be detected by keeping records of access (access logs) and
checking them regularly.
a), c) : Measures for preventing leaks before they occur.
d) : A measure for when data has been corrupted.
Q87.
b
Section
7-1 Basic theory
Answer
Explanation
The shaded areas are where A and D, and C and D respectively overlap, with the exception of
B. Therefore, the search condition is the logical product of A and D, and C and D, excluding
B.
Q88.
a
Section
9-5 Security
Answer
Explanation
It is important for the computer installation location to be equipped with disaster prevention
functions that protect against earthquakes and fires, as well as full safety and security features.
b): For security, doorways should be kept to a minimum.
c): Damage to piping can result in leakage, so it should not pass above the ceiling.
d): To minimize temperature fluctuations, a location that receives as little direct sunlight as
possible is preferable.
Q89.
c
Section
9-5 Security
Answer
Explanation
Installation of anti-virus software is fundamental, but for new viruses, automatic updates
should be enabled to keep the pattern files up-to-date.
a): Even if antivirus software is installed, there is the risk of security holes that may be attacked unless the OS is updated.
b): Opening file attachments in e-mails from an unfamiliar sender can lead to a virus infection, so they should never be opened.
d): Files brought in from outside and e-mail attachments should be checked for viruses and
then saved.
Q90.
c
Section
9-5 Security
Answer
Explanation
In the event of a computer virus infection, appropriate instructions can be given and damage
can be prevented from spreading by disconnecting the network cable and contacting the person in charge of the information systems department by telephone.
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