Q82.
Which of the following is the appropriate characteristic of a database?
a) It can be accessed by multiple users at the same time due to an exclusive control
function.
)
b It is difficult to share data between operations due to an exclusive control function.
c) The procedure for making backups is complicated.
d) Because a database is created to suit the format of the data, it cannot respond flexibly
to data format changes.
Q83.
Mr. A holds a digital certificate. When Mr. A orders a product from Store B by e-mail, he
makes a digital signature using his own private key. Store B then confirms the signature using Mr. A’s public key. Which of the following can be confirmed using this method? Here,
assume that only Mr. A can use Mr. A’s private key.
a)
b)
c)
d)
Q84.
In GUI design, which of the following components is used to allow selection of multiple
items?
Text box
Pull-down menu
Checkbox
Radio button
Which of the following is the appropriate description of a cluster system?
a) A system configuration that, by linking multiple computers in a network, allows them
all to be used as one computer. If an error occurs on one of the linked computers, it is
possible to continue providing service by operating one of the other computers.
b) A system configuration that manages resources such as application software and files
on the server-side, making it possible for computers on the client-side to possess only
the required minimum of functions.
c) A system configuration that provides a pair of systems. One is used as the primary
system and the other is used as the secondary system. Processing is ordinarily carried
out using the primary system.
d) A mechanism installed between the Internet and a network within a company for protection against unauthorized invasion from the Internet.
Practice exam 2
a)
b)
c)
d)
Q85.
The content of the order sent from Mr. A to Store B is not leaked to a third party.
The order sent by Mr. A reaches Store B.
The order that arrives at Store B is from Mr. A.
Store B obtains permission to sell a product to Mr. A.
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