Questions IPA Japan published in 令和７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.
In natural language processing using a large language model, which of the following is the most appropriate description concerning fine-tuning that is performed on a pre-trained model?
Which of the following is an explanation of the rounding error in the result of an operation on numeric values represented in floating-point format?
The tree structure in the figure is a binary search tree. Which of the following is the appropriate relationship in magnitude among the values of a through g? Here, no two of the values of a through g are the same.
There is a device with an MTBF of 4,000 hours and an MTTR of 1,000 hours. Over the next 6 years, the plan is to improve the MTBF by 100 hours every year compared with the previous year through preventive maintenance, and to improve the MTTR by 100 hours every year compared with the previous year through remote maintenance. What is the availability after 6 years have elapsed?
Which of the following is an explanation of software development using a low-code development tool?
Which of the following is the SELECT statement that gives the same result as the SQL statement for the “Product” table?
Product
When 1 Gbyte of video data was downloaded using a 40 Mbit/s line, it took 5 minutes. Approximately what is the line utilization rate in percentage in this case? Here, during the download, control information of 20% is added to the video data.
When HTTP and HTTPS are compared, which of the following shows a characteristic that only HTTPS has?
Among the characteristics of object-oriented programming, what is the term for enabling different behaviors according to the class being operated on, when objects of different classes are operated through the same interface?
In Scrum, which is one of the agile development methods, who has the role of deciding the content and the order of the product backlog items?
The figure shows activities A through I of a project and the number of days required for each activity. What is the minimum number of days required for this project?
Among the situations identified by performing an information security audit of the status of physical security measures for a server room in light of the Information Security Management Standards (2016), which of the following should the auditor record in the audit report as a finding?
Which of the following is an analysis technique that is one of the techniques of data mining and discovers combinations of “products that are bought together” from accumulated data such as POS data?
When a generative AI service on the Internet is used, in which of the following cases is setting an opt-out effective?
In a merchandise sales business, which of the following is a measure necessary for making the long tail successful as a business?
A coffee shop is to be opened under the conditions in the table. In order to make a profit of 100,000 yen a month, how many customers on average per seat per day are required?
