Q92.
d
Section
9-5 Security
Answer
Explanation
Incidents of leaks of personal and confidential information due to virus infections from installing software unrelated to work activities have been reported. The fundamental solution to
the problem is not to install software such as Winny and Share.
Q93.
d
Section
9-3 Database
Answer
Explanation
A lock prevents other users from using data that a user is updating or referencing. The types
of locks are as follows:
• Exclusive lock: Prevents updates and references
• Shared lock:
Prevents updates
Q94.
a
Section
2-3 Business industry
Answer
Explanation
An IC tag is an IC chip that can be scanned using a wireless system. The chips are extremely
small, so it is easy to put them in key holders, wristbands, and other compact items.
Q95.
c
Section
9-3 Database
Answer
Explanation
A reorganization process is a process in which database fragmentation, which results from repeated addition and deletion of data, is eliminated. Reorganizing the database improves the
speed of data manipulation.
Q96.
d
Section
9-3 Database
Answer
Explanation
a): Start and finish times should not be included in member information.
b): Start and finish times should not be included in facility information.
c): There are not enough items linking reservation information with member information.
Q97.
b
Section
9-4 Network
Answer
Explanation
There is already an 8-port hub available, so purchasing an additional 8-port hub will allow all
devices to be connected.
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