Introduction-to-IT受験内容 & Introduction-to-IT専門知識

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WGU Introduction-to-IT 認定試験の出題範囲：

トピック出題範囲
トピック 1
  • Introduction to IT: This section of the exam measures the skills of IT Support Specialists and explains information technology as a discipline, along with how the IT department supports business activities. It provides a simple overview of different IT areas such as systems and services, networks and security, scripting and programming, data management, and the business side of IT. Learners see how these areas connect with each other and how they contribute to organizational operations.
トピック 2
  • Data management functions in databases: This section of the exam measures the skills of Systems Administrators and summarizes the basic functions involved in managing data within databases. It introduces how data is stored, organized, and accessed, giving learners a simple understanding of how essential database tasks support business information needs.
トピック 3
  • Structure, function, and security associated with networks: This section of the exam measures skills of IT Support Specialists and outlines the basic components of networks, how they operate, and the security needed to protect them. It provides a simple view of how network structures support communication and how security measures protect information.
トピック 4
  • Basics of Programming Languages in Software Development: This section of the exam assesses the skills of IT Support Specialists and covers the fundamental purpose of programming languages in software development. It provides a simple description of how programming works and how developers use languages to build tools and applications.
トピック 5
  • Role of the IT department in IT infrastructure management, disaster recovery, and business continuity processes: This section of the exam measures skills of Systems Administrators and explains how the IT department manages infrastructure and supports recovery processes to keep operations running during disruptions. It introduces how IT teams protect systems, restore services, and maintain continuity for the business.

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WGU Introduction to IT 認定 Introduction-to-IT 試験問題 (Q25-Q30):

質問 # 25
In which generafion of computers were vacuam tubes used as one of the hardware components?

正解：B

解説：
*Verified Answer: Vacuum tubes were used as one of the hardware components in the first generation of computers.
*Explanation: The first-generation computers, developed between 1946 and 1959, relied on vacuum tubes for their circuitry. These vacuum tube computers paved the way for electronic computing.


質問 # 26
Which criterion is used to assess off-site storage solutions?

正解：A

解説：
Security is a primary criterion used to assess off-site storage solutions because stored backups must be protected against unauthorized access, theft, tampering, and data leakage. In Information Technology disaster recovery and business continuity planning, off-site backups often contain sensitive business records, customer information, and proprietary data. Therefore, evaluation typically includes physical security controls such as guarded facilities, access logs, surveillance, and secure transport, as well as logical security controls such as encryption, key management, and strong authentication. While redundancy and capacity can matter, security is often treated as a non-negotiable requirement because a backup that is exposed or altered can create major legal, financial, and operational risks. Device media refers to the type of storage, such as tape or disk, but it is usually considered a design choice rather than the main assessment criterion. Security also supports compliance requirements and helps ensure data integrity, so restored systems can be trusted. Therefore, the correct criterion for assessing off-site storage solutions is security.


質問 # 27
What is true about an operating system?

正解：A

解説：
An operating system (OS) is a crucial component of the computer system. It is not firmware, which would be embedded into the hardware (eliminating option A), nor is it an application program like a word processor (eliminating option B). It is also not a hardware component (eliminating option D). Instead, an operating system is system software that manages computer hardware and software resources and provides common services for computer programs. This includes managing processes, memory, files, security, and input/output operations. The OS acts as an intermediary between applications and the computer hardware, making it possible for other software to run on the computer.
References:
*Operating system definition from OxfordDictionaries1.
*Wikipedia article on Operating Systems2.
*Guru99's explanation of what an Operating System is3.
*How-To Geek's description of an Operating System4.


質問 # 28
An employee needs to execute a program from the command line.
Which peripheral device should be used?

正解：C

解説：
1.Keyboard Input:
oWhen executing a program from the command line, the keyboard plays a crucial role in providing input to the system.
oThe user types the command or program name using the keyboard, and the operating system interprets these inputs.
oThe keyboard allows the user to interact with the command-line interface (CLI) by entering commands, parameters, and options.
2.Command-Line Execution:
oTo execute a program, the user types the program's name (or its full path) followed by any necessary arguments or options.
oThe operating system processes this input and runs the specified program.
oFor example, to run a Python script named "my_script.py," the user would type:
opython my_script.py
3.Other Peripheral Devices:
oLet's briefly discuss the other options:
Hard Drive (B): The hard drive is a storage device and is not directly involved in executing programs from the command line. It stores files and data but does not execute them.
Speaker : The speaker is an output device used for audio playback. It does not play a role in executing programs.
Printer (D): The printer is an output device used for printing documents. It is not used to execute programs.
References:
*No specific document reference is provided for this basic concept, as it is widely accepted knowledge in the field of information technology.


質問 # 29
Which image represents the basic structure of a computer network?



正解：C

解説：
the basic structure of a computer network is the one depicting cloud computing. In this image, a blue cloud labeled "Cloud" is connected to four different types of devices: a desktop computer, tablet, phone, and laptop.
Each device has an icon representing its type, and all devices are connected to the cloud, symbolizing data access and storage on the cloud.


質問 # 30
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