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 is a numeric value that is represented by the five (5) squares. Which of the following is the decimal number that is represented by ■■□□□?
There are five (5) lamps arranged in line. Each of them can be turned on and off independently. How many patterns are there where two (2) or more lamps are turned on? Here, the pattern where all lamps are turned on is counted as one (1) and the pattern where any one of them is turned on is counted as five (5).
Which of the following is the binary number that is obtained by adding the binary numbers 01011010 and 01101011? Here, the binary numbers are expressed as positive 8-bit values.
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.
The procedure described below is sequentially performed for two (2) variables x and y, starting with step (1). When the procedure is completed, what is the resulting value of x?
Which of the following is the method for describing the logical structure of a sentence in XML?
A stack is a first-in last-out data structure. By using a stack, a device receives data from the right side, changes their order and sends them to the left side, as shown in the figure below. There are three (3) types of operations available on the device, as described below.
When the device receives X, Y, and Z in this order from the right side, which of the following is the order in which the device cannot send them to the left side even if the operations (1) to (3) are combined?
There exist four (4) states numbered 1 through 4. The four (4) states are connected as shown in the figure below, and the state transition occurs in a clockwise or counter-clockwise direction.
If the current state is 1, which of the following is the state that is reached after the procedure below is performed twice?
[Procedure]
The number of the current state is multiplied by 11, and the result is divided by 3. The process below is performed based on the remainder of the division.
There is a desk that can hold at most four (4) files. On this desk, six (6) files A through F are used for a job. When the fifth file needs to be put on the desk, the file with the longest time since the last use among the four (4) will be put in a drawer. If the files are put on the desk and referenced in order of A, B, C, D, E, C, B, D, F, B, which of the following is the last file to be put in the drawer?
Which of the following is an appropriate description concerning CPU performance?
Which of the following is an appropriate description concerning the cache memory of a CPU?
Which of the following is an appropriate description concerning NFC?
Which of the following storage units has the shortest access time?
Which of the following is an appropriate explanation of the hot standby system?
When the processing speed of the system overall is constrained because of slow processing speed in one of the components, which of the following is a term for the component that is causing the problem?
The life cycle of a device is divided in terms of failures into three (3) periods, namely, the initial failure period, the random failure period, and the wear-out failure period, as time goes by. In the first initial failure period, the failure rate decreases as time goes by. Then, the device reaches a stable state, and the failure rate is effectively constant in the subsequent random failure period while time goes by. In the final wear-out failure period, the failure rate increases as time goes by, and the life of the device eventually ends. Which of the following is a representation of the relation between the failure rate and time?
Which of the following is an appropriate explanation of multitasking?
The types of programs that are running when a PC is started are broadly classified into three (3) categories, namely BIOS (Basic Input Output System), OS, and resident application programs. Which of the following is the order of execution of the programs?
When a record in a file is modified, which of the following is an appropriate way of identifying the modified contents?
Which of the following is an appropriate combination of software that includes only OSS (Open Source Software)?
Which of the following is a term that means the validation of a software license by using the product ID and the user’s hardware information, in order to prevent unauthorized use of the software?
Sales data by month for each branch is evaluated. In the “Evaluation” field for each branch by month, if the amount of sales at the branch is below the average sales amount of branches A through C for the month, the symbol “X” is to be displayed, and if the amount is above or equal to the average, the symbol “O” is to be displayed. Which of the following is an appropriate expression to be entered in cell C3? Here, the expression that is entered in cell C3 is copied and used in cell D3, cell E3, cells C5 through E5, and cells C7 through E7.
Which of the following is an appropriate typical example of a system operating on a super computer?
Which of the following is an appropriate description of AR (Augmented Reality)?
Which of the following is a technique that can be used to compress both video and audio data?
In DBMS, which of the following is a function for maintaining consistency of data by preventing the occurrence of conflicts due to simultaneous access to the data ?
By joining tables “Employees in charge”, “Regions”, and “Customers” that are managed in a relational database, the table A that is shown below is obtained. Which of the following is the table “Customers” that is used for the joining? Here, a solid underline indicates a primary key and a dotted underline indicates a foreign key.
Employees in charge
Regions
A
A customer name and his or her address, a product name and its unit price, the products and quantities ordered by the customer, and the date of order are managed by using a relational database. Which of the following is an appropriate table after normalization? Here, the underline represents primary keys, and there are same customer names and product names.
When conditions (i) through (iv) are all fulfilled, which of the following is the E-R diagram that indicates the relationship between publishing companies, authors, and books? Here, the notation for the E-R diagram is as below.
[Notation]
This indicates that A and B have a one-to-many relationship.
Which of the following is an appropriate role of a subnet mask?
Which of the following is an appropriate explanation of the POP communications protocol?
When setting up PC1 for connecting it to the Internet, an IP address is set in “default gateway” that is one of the network settings of PC1. Which of the following devices has this IP address?
Which of the following is used for communication in activities such as the gathering of data from IoT devices, and has long range and power saving characteristics that enable wireless communication over a distance of tens of kilometers?
Among the following lists consisting of the information security terms availability, integrity, confidentiality, and vulnerability, which is a complete list of properties of information that information security is to preserve?
During the use of a PC in workplace, a message was displayed stating that antivirus software had detected a virus. Which of the following is an appropriate action that should be taken immediately?
Among the threats and vulnerabilities in information security, which of the following is a vulnerability?
Which of the following is an appropriate description concerning a scheme for authenticating a user of a system?
Which of the following is the list that contains all appropriate features of chain mail?
One of the methods of cracking a password is a brute force attack that involves attempting all character combinations. When the number of characters of a password that is composed of 26 types of characters from A through Z is increased from four (4) to six (6) characters, by what factor is the maximum number of attempts to decode the password with the brute force attack increased?
In e-commerce transactions, which of the following is the most appropriate request to be made to the other party in order to prevent denial of the fact of order placement and details thereof?
Which of the following is an appropriate example of ransomware?
Which of the following is the most appropriate combination of the measures against password theft and brute force attack respectively on websites having a login function?
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 authentication accuracy in biometric authentication?
In biometric authentication, the probability of incorrectly rejecting the relevant person is called the false rejection rate, and the probability of incorrectly accepting another person is called the false acceptance rate. The rate that an authentication device or algorithm cannot recognize biometric information is called the unsupported rate.
In the settings for authentication accuracy, setting the A lower increases convenience, and setting B lower increases security.
In ISMS risk assessment, which of the following is performed first?
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?
The processes of system development include software requirements definition, software architecture design, software integration test, software installation, and software acceptance. Which one of the following activities is implemented during software acceptance? Here, the persons concerned with system development are divided into developers and users.
Which of the following corresponds to software maintenance?
It has been decided that a department will participate in the test of a newly developed business system as the user department. Which of the following is an appropriate matter that should be confirmed by the user department?
In a project where a general waterfall model is used for the development, graphs are drawn below regarding the number of staff members required as the project progresses, and regarding the cost of each correction work required for a change or error. Which of the following is an appropriate combination?
Which of the following is appropriate to be prepared in order to select the delivering party for a product or service?
Which of the following is a method that organizes all of the activities that need to be performed in the project in a hierarchical structure, and clarifies the work units to be managed in the project?
In a project team that is required to communicate information on a one-to-one basis, when the members increase from six (6) people to ten (10) people, by how many times does the number of paths that are required for communicating information increase?
Which of the following is the most appropriate description of stakeholders in a system development project?
When a system development project is started, it is foreseen that the progress of the project may be affected by a large number of requests for specification change that come from users during the course of development. Which of the following is the most appropriate measure for ensuring that there is no deterioration in quality or delay in delivery date?
The processes of project management include project cost management, project communications management, project resources management, project schedule management, and the like. In a system development project, which of the following is the most appropriate activity in project cost management when members are added for implementing a test?
The PC on one’s desk and the printer in a shared space are started by a single person under the conditions shown in the figure below. It is only possible for the operations and processing of the PC and printer and the movement of the person to be performed sequentially, but during automatic processing of one device, it is possible for the person to move or operate the other device, or for the other device to perform automatic processing. What is the required time (in seconds) for the person to start the PC startup at his/her desk, then move and start and end the printer startup, return to his/her desk, and end the PC startup?
Flow of PC startup
Flow of printer startup
Which of the following is an appropriate management system that improves the efficiency of the management of IT operations and the quality of services including availability?
In IT service management, which of the following is an appropriate process for resolving the fundamental causes of incidents and preventing their recurrence?
Which of the following is an activity that is performed by a service provider and is effective for the improvement of availability?
When service desk, reliability, and data management are among the items of an SLA of an application hosting and operation service, which of the following is the appropriate combination of the indexes A through C of the service level, and the items of the SLA?
Which of the following is the most appropriate example of implementation of agile development?
Which of the following is an appropriate measure to implement internal controls function?
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 the purpose of system audits?
With regard to the appropriate design and operation of the control for risks concerning information systems, the system auditor A contributes to the realization of IT governance by performing B.
Among the activities A through D concerning the information system of a company, which of the following is the list that contains all and only the appropriate activities that are performed from the viewpoint of the business continuity plan (BCP)?
Which of the following is a concept that forms the basis of corporate activities and perceives and tackles social issues such as contribution to society and protection of the global environment, rather than simply pursues profit?
Which of the following examples of capacity building and guidance for subordinates is classified as OJT?
An implementation plan for a company-wide information system that is consistent with the business strategy is to be created. Which of the following is the most appropriate person to take responsibility for this activity?
Which of the following is an appropriate way to brainstorm?
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
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 the most appropriate terminology for referring to a method that uses AI, IoT, and other such IT for personnel-related work such as personnel evaluations and recruitment with aims including the improvement of a company’s personnel functions and achieving reform in working styles?
Which of the following is the right that belongs to a purchaser of a PC software package provided by means of CD-ROM?
Among actions concerning the creation of a computer program, which of the following is a copyright violation?
From the viewpoint of corporate governance, which of the following is the most appropriate method of strengthening the functions of monitoring and supervising the decision-making process of the management?
Which of the following is the most appropriate as an example of an enhancement activity for compliance?
Which of the following is an international standardization organization that engages in standardization of information security management systems and quality management systems?
Which of the following is a code that stores information in a vertical and horizontal two-dimensional pattern?
The business operations of the entire company, such as production, sale, procurement, accounting, and human resources are to be managed in an integrated manner, and the management resources of the entire enterprise are to be optimized. Which of the following is an appropriate information system for implementing this objective?
Which of the following is an appropriate description concerning the Balanced Scorecard (BSC)?
A middle-sized electrical manufacturer company A divides the products into groups in accordance with their potential and competitive strength in order to determine the priority of investing funds among their lineup. Which of the following is the most appropriate method of analysis for this purpose?
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?
Which of the following is the appropriate explanation of benchmarking used for corporate management?
Several companies want to collaborate on research and development to develop a new business. Which of the following is an appropriate organization for a new company that is formed through collaborative investment?
Which of the following is the appropriate explanation of a technology road map?
Which of the following systems can be realized through the use of RFID?
When build-to-order production is compared to build-to-stock production, which of the following is an appropriate characteristic of build-to-order production?
A company wishes to create digital files from paper documents and paper blueprints, and make these available company-wide. Which of the following is appropriate equipment to be used?
Which of the following goal can be expected to be achieved by the introduction of Just In Time?
Which of the following is an appropriate explanation of CAD?
Which of the following is a term that refers to something that is modeled on the mechanism of a human brain and imitated with a computer program?
Which of the following is the most appropriate description concerning deep learning?
Which of the following corresponds to information literacy?
Which of the following is the most appropriate purpose of implementing gamification by taking full advantage of the game elements such as points and badges?
When a guest arrives at a certain restaurant, their name is registered in a visitor list. When the guest is allocated a seat, both the guest list and seating availability are referenced. Which of the following is the most appropriate DFD to represent this series of actions?
Which of the following is the most appropriate description of teleworking?
Which of the following is an appropriate procedure for selecting a contractor for system development?
Which of the following is the most appropriate description of IoT?
Which of the following is the appropriate combination of terms or phrases to be inserted into blanks A through C in the description below concerning a request for proposal?
A request for proposal concerning system development is a document by which generally A presents to B the C, procurement conditions, etc.
When the software lifecycle is divided into the planning process, the requirements definition process, the development process, and the operation process, which of the following is the process where the system functions that users and stakeholders require are clarified and consensus is built on the basis of a computerization plan?
