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IPA FE Subject A 2023

Questions IPA Japan published in 令和5年度 基本情報技術者試験 科目A 公開問題, translated into English, with IPA's answers. ITPEC is based on the same exams, so they are good practice for ITPEC too.

Question 1

Which of the following is the result of converting the hexadecimal fraction 0.C into a decimal fraction?

Question 2

Same question on ITPEC: Oct 2025 Q5

The table below shows the data in a list structure that has bidirectional pointers. In this table, a new Employee G is to be inserted between Employee A and Employee K. Which of the following contains only the pointers (among a through f) whose values change after the insertion?

Table

AddressEmployeeNameNextPointerPreviousPointer
100Employee A3000
200Employee T0300
300Employee K200100

Table after the addition

AddressEmployeeNameNextPointerPreviousPointer
100Employee Aab
200Employee Tcd
300Employee Kef
400Employee Gxy
Question 3

Which of the following is an appropriate description of memory interleaving, which is one of the techniques for speeding up a computer?

Question 4

Same question on ITPEC: Oct 2025 Q11

Which of the following is the most appropriate explanation of edge computing?

Question 5

Same question on ITPEC: Nov 2021 Q24

Which of the following is an explanation of clipping in 3D graphics processing?

Question 6

Same question on ITPEC: Oct 2025 Q19

When the functional dependencies shown below are satisfied, which of the following is the transitive functional dependency that holds? Here, “A→B” indicates that B is functionally dependent on A, and “A→{B, C}” indicates that “A→B” and “A→C” both hold.

[Functional dependencies]

{OrderCode, ProductCode} → {CustomerOrderQuantity, OrderAmount}

OrderCode → {OrderDate, CustomerCode, OrderManagerCode}

ProductCode → {ProductName, SupplierCode, ProductSalePrice}

SupplierCode → {SupplierName, SupplierAddress, SupplierManagerCode}

CustomerCode → {CustomerName, CustomerAddress}

Question 7

Same question on ITPEC: Oct 2024 Q22

Which of the following is a property on a database that guarantees a result where a transaction either fully completes update processing or is revoked as if no processing took place at all?

Question 8

In an IPv4 network, which of the following is used for checking network connectivity?

Question 9

Which of the following corresponds to a drive-by download attack?

Question 10

Same question on ITPEC: Oct 2025 Q33

In a system with the configuration and communication services shown in the figure below, which of the following is the most appropriate location for the installation of a WAF as a countermeasure for a vulnerability in a web application? Here, the WAF has no function to encrypt or decrypt communications.

PCPCPCInternetHTTPSAFirewallHTTPSBSSL acceleratorHTTPCWeb serverService for accessingthe databaseDDatabase server
Questions 11–20
Question 11

In the following flowchart, in order to have the processing executed in the order

① → ② → ③ → ⑤ → ② → ③ → ④ → ② → ⑥

which of the following is the relationship between the initial values a and b that should be given to m and n in ①? Here, a and b are both positive integers.

Start①m ← an ← b②m : n≠③m : n<=>④m ← (m − n)⑤n ← (n − m)⑥Print thevalue of mEnd
Question 12

Same question on ITPEC: Oct 2024 Q39

Scrum is an agile development method. In Scrum, which of the following is an event where each member of the development team talks in turn about topics such as “things I did yesterday,” “things I will do today,” and “obstacles,” and all members share the status of a project?

Question 13

The activities were scheduled to be performed as shown in the figure, but a delay of one day occurred in activity A. When the cost increase rate of each activity is the value in the table, which activity should be shortened to minimize the additional cost required to finish in the originally scheduled number of days? Here, the cost increase rate is the additional cost required to shorten an activity by one day.

A4B6C8D4E5F4G5LegendActivity nameStandardnumber of days
Activity nameCost increase rate
A4
B6
C3
D2
E2.5
F2.5
G5
Question 14

Company A is planning to implement teleworking, in which employees connect to the company’s network via the Internet from PCs at their homes to do their work. An audit of the teleworking operation rules established by Company A was performed in accordance with the Information Security Management Standards (2016). Among the matters identified, which of the following should the auditor record in the audit report as a finding?

Question 15

Same question on ITPEC: Apr 2025 Q48

Which of the following is an explanation of a hybrid cloud?

Question 16

Same question on ITPEC: Oct 2024 Q49

Which of the following is an explanation of diversity management?

Question 17

Same question on ITPEC: Oct 2025 Q51

Which of the following is an explanation of ERP?

Question 18

Same question on ITPEC: Oct 2024 Q50

In innovation theory, consumers are classified into five (5) groups innovators, early adopters, early majority, late majority, and laggards according to the timing of their purchase of a new product. Which of the following is the appropriate explanation of the early adopters?

Question 19

Same question on ITPEC: Nov 2021 Q77

Which of the following is a description of a CIO?

Question 20

Same question on ITPEC: Oct 2024 Q60

Which of the following is an explanation of a volume license agreement?

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