Which of the following is the combination of terms or phrases to be inserted into blanks A through C in the description below concerning a method for representing information?
Data that represents information by using a continuous, variable physical volume (length, angle, voltage, etc.) is called A data, and data that represents information by using discrete numerical values is called B data. A CD that is used for the distribution of music and songs is an optical disc medium that stores information as C data.
Japanese restaurants in Sapporo and Japanese restaurants in Hakodate are to be searched for together. Which of the following is the logical expression that represents the search condition?
As shown in the figure below, decimal numbers 2, 5, 10, and 21 are represented using five (5) squares that are black or white.
A white square indicates 0, and a black square indicates a different positive value that is determined depending on the position of the square. The sum total of the values of the five (5) squares represents a decimal number. Which of the following is the decimal number that is represented by ■■□□□?
When a path goes from node A1 to node C2 in Fig. 1 and the passing nodes are counted as shown in Fig. 2, there are three shortest paths with the minimum number of passing nodes. How many shortest paths are there available to go from node A1 to node D4 via node C2?
Which of the following is an appropriate description concerning machine language?
A power company charges electricity bill shown in the table below.
Function computeBill receives the number of units used per month as an argument and returns the electricity bill in 1/100 dollars. Which of the following is an appropriate combination of pieces of code to be inserted in A and B in the program?
In a markup language, with the purpose of displaying on a screen and printing, it is possible to directly embed not only the document content, but also the document structure and layout information, and the character font and size information. Which of the following is classified into such a markup language?
The procedure draw receives a non-negative integer number n for input. When the value of n is 6, the procedure outputs the six lines shown below. Which of the following is an appropriate combination of pieces of code to be inserted in A and B in the program?
On a desk that is only large enough to place four (4) files at the same time, six (6) files, A through F, are used to perform a task. When four (4) files are already placed on the desk, the least recently used file must be placed back into the drawer before the fifth file is placed on the desk. When the files are used in the sequence A, B, C, D, B, A, E, A, B, F, which of the following is the last file placed back into the drawer?
When USB memory or other such external recordable media is connected to a PC, which of the following is an OS function that automatically executes programs or plays movies on the media and can also cause malware infection?
Which of the following is the most appropriate description concerning deep learning?
Which of the following is an appropriate description concerning a device driver that enables the use of peripheral devices with a PC?
Which of the following is a description about a technology that improves the processing performance of a computer and is also called turbo boost?
Two (2) HDDs are connected to a server for storing data. When at least one (1) of the HDDs is working, stored data needs to be available. Which of the following is an appropriate configuration that should be used for the HDDs?
Which of the following is an appropriate explanation of parallel processing?
Which of the following includes all the appropriate measures to enable the execution of processing even in the event of a failure in part of a system?
It is determined whether an examinee passed or failed by evaluating the score for two (2) subjects X and Y with a spreadsheet software program. The score of each subject is entered in cells A2 and B2 of the worksheet. When passing criteria (1) or (2) is met, “Pass” is displayed in cell C2, and otherwise, “Fail” is displayed. Which of the following is the expression that is entered in cell C2?
Among the descriptions A through C below concerning Open Source Software (OSS), which of the following is the list that contains all and only the appropriate descriptions?
When directories d1 and d2 are placed on a web server as shown in the figure, which of the following descriptions specifies the reference of the web page file f2.html on directory d2 from the web page file f1.html on directory d1 (current directory)? Here, the reference method of files is as follows.
The tax-inclusive prices of products A and B are calculated by using two (2) tax rates that are set in cells D2 and E2 below. The correct expression that should be entered in cell D4 is $B4*(1.0+D$2), but a wrong expression $B4*(1.0+$D$2) was entered. When the expression that was entered in cell D4 is copied to cells D5, E4, and E5, which of the following is the numeric value that is displayed in cell E5?
Which of the following is a web browser that is Open Source Software (OSS)?
Which of the following is an OS function that executes multiple application programs concurrently on a single PC, such as when a file is downloaded from a website while data is processed with spreadsheet software?
Which of the following is an explanation of the printing method of an inkjet printer?
Which of the following is the copyright protection technology that is used for a DVD-R and an SD card, and allows digital content to be duplicated to recording media only once?
Which of the following is the unit that represents the resolution when a photograph or a picture is read by a scanner?
From a “Product” table and “Sales” table that are managed with a relational database, which of the following contains all and only the products where the total sales for each product in May is at least 20,000 yen?
Product
Sales
Which of the following is a language used for the operation of a relational database?
Which of the following is an appropriate description concerning foreign keys in a relational database?
When designing a database, which of the following is used for the purpose of organizing and representing the relation of data?
Which of the following is the appropriate combination of terms or phrases to be inserted into blanks A and B in the description below concerning NAT?
NAT is often used when an office or a household LAN is connected to the Internet, and it converts between A and B.
When another network such as the Internet is accessed from a network in an office or a household, which of the following fulfills the role of an entrance or an exit to the other network?
Which of the following is an appropriate description concerning encryption of communication when a website with the URL beginning with “https://” is browsed through a PC browser?
When transmitted over the Internet, data is divided into blocks, each of which is transmitted with a header that specifies the destination, the block number, and an error detecting code. Which of the following is the term for such blocks of data?
A DHCP server has been installed in a LAN. When a PC that automatically acquires information from the DHCP server is to be connected to the LAN, which of the following will be set in the PC?
Which of the following is the appropriate example of biometric authentication?
When a document file attached to a received e-mail is opened on a PC, the PC begins to behave abnormally. Which of the following is an appropriate suspected attack?
Which of the following is the activity in A (Act) phase in the PDCA model adopted in an organization that operates an ISMS?
Which of the following is an example of an aim of an attacker who infects someone else’s PC with ransomware?
A private key and a public key were generated as a key pair and a digital certificate for the public key was issued. Which of the following is an appropriate action that should be taken when the private key is leaked?
Which of the following sets conditions for character type, length, etc. used for passwords that are set for accounts on a computer, etc.?
Among confidentiality, integrity, and availability, which of the following is the list that contains all and only the properties that are lost in the information security incident below?
All files on a server in the workplace were encrypted. However, the server was infected by a virus, and a number of the files were deleted. Removal of the virus and recovery of the files required several hours. During the hours, work could not be performed, and users were inconvenienced. Some files were unable to be recovered.
A problem has been pointed out that the WEP encryption for wireless LANs can be broken easily. Which of the following is an encryption method that does not have the same weakness and is cryptographically stronger?
Company A implements risk analysis for its own information assets. The results show that if a nearby river overflows, the server room on the first floor of the company might be flooded. The company considers the possibility of moving the server room, but decides there is almost no risk of a flood because the last time the river overflowed was 100 years ago, and the management decides that no particular countermeasures are taken. Which of the following is the risk treatment for information security that Company A selects?
The decision is made to digitize a paper-based contact list that only some people are permitted to view, and to manage it as a contact file. Among the measures A through D below, which of the following is the list that contains all and only the appropriate measures against personal information leakage?
Among the Web browsing practices (1) through (3) below, which of the following is the list that contains all and only the practices that reduce security risks?
In software development, which of the following is the appropriate combination of the descriptions A through C concerning testing and testing processes?
Which of the following corresponds to software maintenance?
Which of the following is an appropriate test for a user to confirm by himself/herself whether the delivered software satisfies the requirements?
A system migration plan was created for the migration from an existing system to a new system. Which of the following is an appropriate item to be described in the system migration plan?
Which of the following is the appropriate explanation of refactoring?
Among the descriptions A through D below concerning project management in system development, which of the following lists all and only the failures in scope management?
For software development work, a plan is created to complete it with 10 people in a period of 15 days. However, it became known that only eight (8) members of staff could be obtained for the first five (5) days. In order to complete the work in 15 days as planned, how many staff members are required from the 6-th day? Here, the productivity of each member of staff is the same.
Which of the following is the most appropriate description concerning risk management in a project?
A company orders information system development to an overseas software developer under a contract for software development. Which of the following is an appropriate activity to be performed by the company in project procurement management?
Which of the following is a method to break down the required activities into a hierarchical structure in software development?
Quality management in system development projects has a quality planning process to define quality requirements and quality standards for deliverables and to specify the methods for achieving them. Which of the following is an appropriate description concerning the quality planning process?
In a project, a contingency reserve is the cost that is included in the initial project scope and is prepared for events that are predictable but uncertain. Among the costs that are allocated by the project manager of a company that receives an order for a system development, which of the following is an appropriate cost that can be classified as a contingency reserve?
In a service desk that acts as the point of contact for users, a tool that uses automated response technology is used in addition to telephone and e-mail. Which of the following is the most appropriate example of such a tool?
Which of the following is an appropriate requirement for the availability of an e-mail service in IT service management?
Which of the following is an appropriate purpose of providing FAQ to users in IT service management?
Among the descriptions A through D below, which of the following lists all and only the activities of facility management?
Which of the following is an appropriate example of criteria for evaluating the service level of a service desk that receives queries from system users over the telephone?
Which of the following is an appropriate explanation of monitoring in internal control?
Which of the following is an appropriate measure to enable internal controls?
Which of the following is an appropriate description of the roles of a system auditor?
Company A is a large company with multiple offices nationwide, and it created BCP that envisaged the total destruction of the head office building in a large natural disaster. In consideration of the purpose of the BCP, which of the following is Company A’s most appropriate BCP?
Which of the following is an explanation of a balance sheet?
The operating profit when the sales quantity of a product is 700 units is as shown in the table below. When the unit sales price is reduced by 20% to expand sales, the sales quantity increases by 20%. How much, in yen, is the operating profit at this time? Here, the variable cost per one (1) unit of the product does not change.
Unit: Yen
Among the phases of the PDCA cycle in corporate business operations, which of the following measures and evaluates the status of operations on the basis of KPI?
Data of the defects and faults of products, complaints from customers, etc. are categorized according to their cause and situation. Which of the following represents the number of data in each category in descending order on a bar graph and the cumulative total on a line graph?
When the purchase and sales of a product in April are as in the table below, what is the inventory value in yen for the product at the end of April according to the moving average method? The moving average method calculates the average unit price of products in the inventory each time a purchase is made, and uses the average unit price for products in the inventory immediately beforehand for the calculation of the inventory value.
A person wishes to start at point X, pass through all of points A, B, and C, and arrive at point Y. When the routes and the required times between points are as shown in the figure and the table, what is the shortest time in minutes from point X to point Y? Here, the points A, B, and C may be passed through in any order.
Which of the following is the most appropriate description of NDA?
Which of the following is a code that stores information in a vertical and horizontal two-dimensional pattern?
Concerning the EU’s General Data Protection Rules (GDPR), which of the following lists all and only the appropriate descriptions?
Among company’s actions A through C below, which of the following lists all and only the acts that may be problematic in terms of compliance?
Which of the following is appropriate as an expected advantage of the adoption of ISO 9001 by companies?
Which of the following is an organization in the USA that promotes standardization activities concerning Ethernet LAN and wireless LAN, etc.?
Which of the following is the most appropriate marketing strategy for narrowing down the customer base to focus on by classifying customers on the basis of age, gender, family structure, and the like, and analyzing the purchasing behaviors of each group?
There are two (2) indicators for evaluating the achievement of strategic goals. These are leading indicators that evaluate the means for achieving the goals, and result indicators that evaluate the degree of goal achievement. If a strategic goal is “acquire new customers,” which of the following is an appropriate leading indicator?
Which of the following is the most appropriate explanation of user experience (UX)?
Which of the following is a system that centrally manages the process from materials procurement to product sales, and aims for the optimization of supply?
Company A performs analysis of its positioning with competitors. In order for Company A to obtain the best evaluation of all three (3) companies, what is the minimum number of points required in the brand evaluation item?
The minimum value of evaluation item is one (1) point and the maximum value is ten points, and each company is evaluated by using the total value of each weighted evaluation item.
Which of the following is the most appropriate as the underlying concept of CRM?
Which of the following is a technique that increases the potential for success in the development of a new business model or product, by creating the minimum service or product on the basis of a hypothesis, and performing repeated verification of customer value in a short interval of times?
In call handling at a call center, which of the following is the most appropriate example of the use of AI to implement a more effective FAQ system?
Which of the following is a business objective that becomes possible to achieve with “the introduction of a POS system”?
Which of the following is an appropriate explanation of CAD, as used in the manufacturing industry?
Which of the following is an appropriate case example that corresponds to traceability?
Which of the following is classified as a “B to E” transaction?
A single unit of Product A is composed of three (3) pieces of Part B and two (2) pieces of Part C. In the production plan for a particular period, when the demand for Product A is 10, which of the following is the net requirement of Part B? Here, the quantity in stock is five (5) for Part B, and there are no other pieces in stock, in process, on back order, or already allocated. The net requirement is calculated by subtracting the stock available for allocation from the gross requirement.
When the spreadsheet shown below is converted into CSV format, which of the following is an appropriate list of data that is generated by spreadsheet software? Here, records are separated by the carriage return code “CR”. The expression in a cell is automatically recalculated, and the resulting value is written back into that cell. Although the entered expressions are shown in row 3 and column C below, the resulting values are actually displayed on the screen.
Which of the following is the most appropriate utilization of RPA for a company?
Which of the following is the most appropriate description concerning the analysis of big data?
Which of the following analysis techniques used in Enterprise Architecture (EA) clarifies the issues by comparing the ideal situation with the current situation?
Which of the following is the most appropriate description of the Fourth Industrial Revolution?
At power companies, the amount of electricity consumed by each household is measured remotely by communicating with electrical meters that are connected to the Internet, instead of measured by meter readings by a person. Which of the following is a term that represents the mechanism where a range of devices are connected to the Internet and utilize information in cases such as this?
Which of the following are international development targets that are composed of 17 objectives set by the United Nations in order to achieve a sustainable world?
A company planning the development of a business information system decided to present an RFP to SIers. Which of the following must be described in the RFP at a minimum?
