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CompTIA FC0-U71 認定試験の出題範囲：
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質問 # 26
A user is logged in but unable to access a shared folder on the network. Which of the following security concepts is in place?
- A. Authentication
- B. Non-repudiation
- C. Accounting
- D. Authorization
正解：D
解説：
This scenario describes a situation where a user has already successfully logged into the system (i.e., has been authenticated) but cannot access a particular network resource (the shared folder). This falls under the concept of authorization, which determines what actions or resources a user is permitted to access after authentication.
"Authorization is the process of granting or denying access to network resources once the user has been authenticated." - CompTIA ITF+ Official Study Guide Authentication verifies the identity of the user (e.g., username and password).
Authorization controls access rights (e.g., shared folders, files).
Accounting tracks user activity (e.g., audit logs).
Non-repudiation ensures actions or transactions cannot be denied later.
Therefore, the correct answer is B: Authorization.
質問 # 27
Which of the following is reset when a workstation is turned off?
- A. RAM
- B. CPU
- C. BIOS
- D. NIC
正解：A
解説：
RAM (Random Access Memory) is volatile memory, meaning it loses all stored data when power is turned off.
BIOS, NIC, and CPU retain their configurations or functions independently of power state.
質問 # 28
Which of the following is used to terminate a Cat 6 cable to an RJ45 connector?
- A. Crimper
- B. Punchdown
- C. Wire cutter
- D. Cable tester
正解：A
質問 # 29
A user identifies the reason a computer is not working, repairs it, and prints a test page. Which of the following steps should the user take next?
- A. Document the actions taken
- B. Submit a support ticket
- C. Implement the solution
- D. Test the theory
正解：A
解説：
After identifying the issue, implementing a solution, and verifying functionality (test page), the next step in the troubleshooting process is to document the solution for future reference.
"The final step in the troubleshooting methodology is to document findings, actions, and outcomes to ensure organizational learning and continuity." - CompTIA ITF+ Study Guide Correct answer: D
質問 # 30
Which of the following is the most important consideration when opening a file on an OS GUI?
- A. Backup policy
- B. Data compression
- C. File extension
- D. Default permissions
正解：C
解説：
The file extension determines which application the OS uses to open the file in a GUI environment. It's the key factor the OS checks to associate the file with the appropriate program (e.g., .docx with Word, .jpg with an image viewer). The other options are relevant in broader contexts but not immediately critical when simply opening a file.
質問 # 31
Given the following pseudocode:
10 READ Q,W
20 PRINT Q,W
30 GOTO 10
40 DATA 10,20,30,40,50,60,70,80,90,100
Which of the following best defines the type of data being used?
- A. Array
- B. Variable
- C. Function
- D. Boolean
正解：A
解説：
The pseudocode reads from a block of numbers listed in line 40. This collection of values is structured like an array-a group of data elements stored together.
"An array is a collection of similar data elements stored in a structured sequence, often referenced or processed in loops." - CompTIA ITF+ Programming Concepts Correct answer: B
質問 # 32
A user plugs a new scanner into a computer and turns it on. The scanner is automatically detected. However, the OS will only respond to some, but not all, of the buttons on the scanner. Which of the following steps should the user take next to enable full functionality?
- A. Update the computer's OS.
- B. Roll back the device driver to a previous version.
- C. Install any applicable software from the vendor's website.
- D. Perform a test scan on the new device to the computer.
正解：C
解説：
Although basic scanner functionality may work with default drivers, full functionality (like programmable buttons) often requires the manufacturer's software suite. Installing the correct software from the vendor ensures that all features are supported.
"Peripheral devices may require manufacturer-specific drivers and utilities to enable full feature support. Downloading from the vendor's website ensures compatibility." - CompTIA ITF+
質問 # 33
A user attempts to log in to a website and receives a prompt to update their password. Which of the following is this an example of?
- A. Password history
- B. Password complexity
- C. Password privacy
- D. Password expiration
正解：D
解説：
This scenario describes a policy where the system enforces password expiration, prompting users to update passwords after a defined period.
"Password expiration is a security policy that requires users to reset their passwords periodically-commonly 30, 60, or 90 days-to mitigate the risk of compromised credentials." - CompTIA ITF+ Objectives Password privacy refers to keeping the password confidential.
Password history restricts reuse of old passwords.
Password complexity enforces character rules (e.g., uppercase, numbers, symbols).
Correct answer: D
質問 # 34
Which of the following represents the value of 9 with ones and zeros?
- A. Binary
- B. Decimal
- C. Hexadecimal
- D. Octal
正解：A
解説：
Binary represents numbers using only ones and zeros. The value 9 in binary is 1001.
Other options:
*Decimal uses base 10,
*Octal uses base 8,
*Hexadecimal uses base 16.
質問 # 35
A programmer wants to write code that will be more efficient when executed at runtime. Which of the following language types should the programmer use?
- A. Compiled
- B. Query
- C. Markup
- D. Scripting
正解：A
解説：
Compiled languages (e.g., C, C++, Go) are translated into machine code before execution, making them faster and more efficient at runtime than interpreted or scripting languages.
"Compiled code is translated into machine language before execution, providing faster performance compared to interpreted code." - CompTIA ITF+ Software Concepts Correct answer: B
質問 # 36
A user receives a notification about a new software vulnerability. Which of the following is the best way to secure the software?
- A. Applying updates
- B. Configuring a firewall
- C. Enabling authentication
- D. Uninstalling the program
正解：A
解説：
When a new vulnerability is discovered in software, the best way to secure it is by applying updates (patches) released by the software vendor. According to the CompTIA ITF+ objectives:
"Vendors regularly release software updates and security patches to fix vulnerabilities that could be exploited by attackers. Installing these patches promptly is crucial for maintaining system security." Although configuring a firewall and authentication improves overall security, they do not directly patch or fix the vulnerability. Uninstalling may be an option only if a patch is unavailable or the software is no longer needed. Therefore, the best and most proactive response is B: Apply updates.
質問 # 37
Which of the following is the most important consideration when opening a file on an OS GUI?
- A. Backup policy
- B. Data compression
- C. File extension
- D. Default permissions
正解：C
解説：
The most important consideration when opening a file on an Operating System Graphical User Interface (OS GUI) is the file extension. A file extension identifies the type of file and determines which software application can open it. In the official CompTIA ITF+ Student Guide, it is stated that:
"The last part of the file name represents an extension, which describes what type of file it is and is used by Windows to associate the file with an application."
"Files are usually opened by double-clicking them. You may want to open a file in a software product other than the default, however. When you right-click a file, the shortcut menu displays a list of suitable choices, or you can choose Open With and browse for a different application. You can also use the Default Programs applet to configure file associations."
"Do not change a file's extension if it is shown. If you delete or change the extension, the file will not be associated with the correct program for opening it." This means the OS uses the file extension to decide which application to use to open a file. Changing or deleting the extension can result in the file not opening properly because it no longer matches the program expected to open it.
Reference:
Official CompTIA ITF+ Student Guide Book (Page 299-300, 301)
質問 # 38
A user is creating a simple, static web page. Which of the following language types should the user use?
- A. Assembly
- B. Query
- C. Scripting
- D. Markup
正解：D
解説：
A markup language like HTML is used to create simple, static web pages, defining the structure and layout of the content.
Other options:
*Query languages retrieve data (e.g., SQL),
*Assembly is low-level programming,
*Scripting adds interactivity but isn't needed for static pages.
質問 # 39
Which of the following is used to represent a device's physical address?
- A. Decimal
- B. Binary
- C. Hexadecimal
- D. Octal
正解：C
解説：
A device's physical address, also known as a MAC (Media Access Control) address, is typically represented in hexadecimal format (e.g., 00:1A:2B:3C:4D:5E).
Other options:
*Binary is used internally by computers,
*Decimal and Octal are not standard formats for MAC addresses.
質問 # 40
Which of the following is the smallest storage unit?
- A. Terabyte
- B. Petabyte
- C. Kilobyte
- D. Megabyte
正解：C
解説：
In terms of size from smallest to largest: Kilobyte < Megabyte < Terabyte < Petabyte.
質問 # 41
Which of the following can be used to input commands for a computer to execute?
- A. Attributes
- B. Process
- C. Console
- D. Services
正解：C
解説：
A console or command-line interface (CLI) allows users to input text-based commands that the computer can execute.
"The console (or command prompt or terminal) allows direct command input to control an operating system or application without using a graphical interface." - CompTIA ITF+ Guide Services are background processes.
Attributes define properties of objects or elements.
Processes are executing programs but are not used for inputting commands.
Correct answer: D
質問 # 42
A systems administrator requires access to a user's laptop over a VPN for troubleshooting. Which of the following software types should the systems administrator use?
- A. Remote assistance
- B. Collaboration
- C. Web browsing
- D. Productivity
正解：A
解説：
When a system administrator needs to troubleshoot a user's laptop remotely, especially over a VPN, they would use remote assistance software. This allows full or partial control over the target system for diagnostic and support tasks.
"Remote assistance software enables support personnel to remotely access and control another computer to perform diagnostics or provide help, often used in IT support scenarios." - CompTIA ITF+ Guide Correct answer: D
質問 # 43
Given the following pseudocode:
10 FOR Q=1 TO 100
20 PRINT Q
30 NEXT Q
40 EXIT
Which of the following best represents line 10?
- A. Loop
- B. Branch
- C. Sequence
- D. Attribute
正解：A
解説：
Line 10 (FOR Q=1 TO 100) initializes a loop that iterates from 1 to 100.
Other options:
*Sequence refers to a straight execution of instructions,
*Branch involves decision-making (e.g., IF...THEN),
*Attribute is a descriptive property, not a control structure.
質問 # 44
Which of the following is used for predictive text?
- A. Artificial intelligence
- B. Extensions
- C. Generated code
- D. Big data
正解：A
解説：
Artificial intelligence (AI) is used in predictive text systems to analyze patterns and suggest likely next words or phrases.
Other options:
*Extensions add browser or software features,
*Big data is large-scale data, not the mechanism,
*Generated code refers to code produced automatically, not text prediction.
質問 # 45
Which of the following features of an OS prioritizes a program's use of resources?
- A. Application management
- B. Access management
- C. Process management
- D. Device management
正解：C
解説：
Process management in an operating system is responsible for controlling the execution of applications, assigning CPU time, and prioritizing active processes to optimize performance.
"Process management allocates resources, prioritizes applications, and ensures multitasking is efficiently handled by the OS." - CompTIA ITF+ Operating Systems Guide Correct answer: B
質問 # 46
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