FC0-U61問題集でリアル試験問題でテストエンジン問題集でトレーニング
CompTIA FC0-U61テスト問題集とオンライン試験エンジン
質問 # 28
When developing a game, a developer creates a boss object that has the ability to jump. Which of the following programming concepts does jump represent?
- A. Attribute
- B. Property
- C. Object
- D. Method
正解：D
解説：
Explanation
A method is a programming concept that represents a function or a procedure that performs a specific task or action on an object. An object is a programming concept that represents an instance of a class or a data type that has properties and methods. A method would best describe the ability to jump for a boss object in game development because it is an action that the boss object can perform. Property, object, and attribute are not programming concepts that represent the ability to jump for a boss object in game development. Property is a programming concept that represents a characteristic or a feature of an object, such as color, size, or name.
Object is a programming concept that represents an instance of a class or a data type that has properties and methods. Attribute is another term for property in some programming languages. References: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 4: Programming Concepts and Data Structures, page 143.
質問 # 29
Which of the following allows network traffic to pass through it and filters specific packets?
- A. Switch
- B. Modem
- C. Firewall
- D. Access point
正解：C
解説：
A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It allows or blocks specific packets based on these rules, ensuring that only authorized traffic passes through while filtering out potentially harmful data.
A . Switch forwards data between devices on a network but does not filter traffic.
B . Access point connects wireless devices to a network but does not filter packets.
C . Modem provides internet access but lacks packet filtering capabilities.
Reference:
CompTIA Network+ Certification Guide
Official CompTIA Security+ Certification Study Materials
質問 # 30
Which of the following is an advantage of installing an application to the cloud?
- A. Internet access is not required.
- B. Data is not stored locally.
- C. Support is not required.
- D. Service is not required.
正解：B
質問 # 31
Which of the following troubleshooting steps happens before establishing a theory of probable cause?
- A. Document the lessons learned.
- B. Verify full system functionality.
- C. Implement the solution.
- D. Identify the problem.
正解：D
解説：
The step that happens before establishing a theory of probable cause in the troubleshooting process is identifying the problem. This involves gathering information from the user, observing the symptoms, and systematically ruling out factors that may not be relevant. This step is crucial as it sets the foundation for developing an accurate theory of what might be causing the issue.
Reference: Identifying the problem is part of the systematic approach to troubleshooting taught in CompTIA IT Fundamentals, which outlines a structured process for resolving IT issues.
質問 # 32
A technician is troubleshooting an error message and tests the same program on a separate, identical machine. Which of the following troubleshooting methodology steps is this an example of?
- A. question users
- B. Gather information
- C. Divide and conquer
- D. Duplicate the problem
正解：D
解説：
Explanation
Antivirus is a type of software that protects a computer or device from malicious software or malware, such as viruses, worms, trojans, spyware, ransomware, etc. Antivirus software requires the most frequent updating to remain effective because new malware threats are constantly emerging and evolving. Antivirus software needs to update its database of malware signatures or definitions, which are the patterns or characteristics that identify known malware. Antivirus software also needs to update its scanning engine or algorithm, which is the method or technique that detects and removes malware. Host firewall, web browser, and device drivers are not types of software that require the most frequent updating to remain effective. Host firewall is a type of software that monitors and controls the network traffic to or from a computer or device based on rules or policies. Web browser is a type of software that allows users to access and view web pages or web applications on the Internet. Device drivers are types of software that enable the communication and interaction between the operating system and the hardware devices. References: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 8: Security Concepts, page 305.
質問 # 33
All users have access to an application at a company. The data from the application is stored on a centralized device located on the network. Which of the following devices would MOST likely be used to store the data?
- A. Workstation
- B. External HDD
- C. Server
- D. Tape library
正解：C
解説：
Explanation/Reference:
質問 # 34
A business would like to create an employee portal that employees will have access to when they are at work.
The employees will not be able to connect to the portal from home without a VPN connection. Which of the following types of application does this describe?
- A. Intranet application
- B. Local application
- C. Extranet application
- D. Internet application
正解：A
解説：
Explanation
An intranet application is a type of application that is hosted on a private network and can only be accessed by authorized users within an organization. An intranet application would best describe an employee portal that employees can access when they are at work, but not from home without a VPN connection. A VPN (Virtual Private Network) is a technology that creates a secure and encrypted tunnel between a client device and a remote server over the Internet. A VPN can allow employees to access the intranet application from home by connecting to the private network of the organization. Local application, extranet application, and Internet application are not types of applications that describe an employee portal that employees can access when they are at work, but not from home without a VPN connection. References: CompTIA IT Fundamentals+ Study Guide: Exam FC0-U61, Second Edition, Chapter 5: Database Fundamentals, page 199.
質問 # 35
Which of the following internal computing components is typically tasked with handling complex mathematical calculations required for realistic in-game physics?
- A. NIC
- B. RAM
- C. CPU
- D. GPU
正解：D
解説：
A GPU (Graphics Processing Unit) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. One of the primary roles of the GPU in gaming is to enhance in-game physics, which refers to the laws and rules that govern the behavior and interaction of objects within a game. GPUs are designed to handle complex calculations quickly and efficiently, making them ideal for handling the physics calculations required in modern video games. By offloading these calculations to the GPU, game developers can create more realistic and immersive games without overloading the CPU (Central Processing Unit). Reference: CompTIA IT Fundamentals (ITF+) Certification Guide, page 23; What is the GPU's role in enhancing in-game physics and simulations?
質問 # 36
A program needs to choose apples, oranges, or bananas based on an input. Which of the following programming constructs is BEST to use?
- A. Comment
- B. If
- C. Datatype
- D. Variable
正解：B
解説：
Explanation
An if statement is a programming construct that is best to use when a program needs to choose among different options based on an input. An if statement evaluates a condition and executes a block of code if the condition is true. An if statement can also have an else clause that executes a different block of code if the condition is false. An if statement can also have multiple else-if clauses that check for additional conditions.
For example, a program that chooses apples, oranges, or bananas based on an input could use an if statement like this:
A variable is a named memory location that can store a value, not a programming construct that can choose among options. A datatype is a classification of data that defines the possible values and operations for that data, not a programming construct that can choose among options. A comment is a remark or explanation in the source code that is ignored by the compiler or interpreter, not a programming construct that can choose among options.
質問 # 37
Which of following PC components operates only as an input device?
- A. All-in-one printer/scanner
- B. External hard drive
- C. Central processing unit
- D. Webcam
正解：D
解説：
A webcam operates strictly as an input device. Its primary function is to capture video and, in some cases, audio data, which it inputs into a computer system for processing or transmission. Unlike other devices listed, a webcam does not have output capabilities; it only sends data to the computer.
References:In the CompTIA IT Fundamentals study materials, different types of hardware components are classified according to their roles, and webcams are explicitly categorized as input devices, used for video conferencing, security monitoring, and other similar tasks.
質問 # 38
A network technician needs to ensure data on a network drive is fully backed up. Which of the following backups should the technician implement?
- A. Operating system
- B. Webserver
- C. File
- D. Database
正解：C
解説：
A file backup is a type of backup that copies individual files or folders from a source to a destination. A file backup can be used to back up data on a network drive, as it allows the technician to select the specific files or folders that need to be backed up. A file backup can also be performed incrementally or differentially, which means that only the files that have changed since the last backup are copied, saving time and space. A file backup can be restored easily, as it does not require any special software or hardware to access the backed up files.
A database backup is a type of backup that copies the entire database or parts of it from a source to a destination. A database backup is used to back up data that is stored in a structured format, such as tables, records, and indexes. A database backup can be performed using the native tools of the database management system, such as SQL Server or Oracle, or using third-party software. A database backup can be restored using the same tools that performed the backup, and it may require some additional steps, such as restoring the transaction logs or applying the differential backups.
A webserver backup is a type of backup that copies the files and folders that are related to a webserver, such as HTML, CSS, JavaScript, PHP, images, and so on. A webserver backup is used to back up data that is used to host a website or a web application. A webserver backup can be performed using the file backup method, or using specialized software that can backup the webserver configuration, settings, and permissions. A webserver backup can be restored by copying the files and folders back to the webserver, or using the software that performed the backup.
An operating system backup is a type of backup that copies the entire operating system or parts of it from a source to a destination. An operating system backup is used to back up data that is essential for the functioning of the computer, such as the system files, the registry, the drivers, the applications, and the user settings. An operating system backup can be performed using the native tools of the operating system, such as Windows Backup or Time Machine, or using third-party software. An operating system backup can be restored by booting from a recovery media, such as a CD, DVD, or USB, or using the software that performed the backup.
質問 # 39
A user is selecting software to visually display information in a marketing meeting. Which of the following software types should the user select?
- A. Web browsing
- B. Spreadsheet
- C. Presentation
- D. Word processing
正解：C
質問 # 40
Which of the following language types would a web developer MOST likely use to create a website?
- A. Compiled
- B. Assembly
- C. Query
- D. Interpreted
正解：D
質問 # 41
A company purchased a software program. The EULA states that the software can be installed on as many computers as the company wants, but only four users can be using the software at any point in time. Which of the following types of licenses is this an example of?
- A. Concurrent license
- B. Subscription license
- C. Open-source license
- D. Group license
正解：A
解説：
Explanation
A concurrent license is a type of software license that allows a software program to be installed on as many computers as the company wants, but only a limited number of users can use the software at the same time. A concurrent license is based on the number of simultaneous users rather than the number of installations. A concurrent license can help a company save money and resources by sharing the software among multiple users who do not need to use the software all the time. References : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 211.
質問 # 42
Which of the following is a compiled language?
- A. JScript
- B. PowerShell
- C. Java
- D. Perl
正解：C
解説：
Explanation
A compiled language is a programming language that requires its source code to be converted into machine code before it can be executed by the CPU. A compiled language uses a compiler, which is a program that translates the source code into an executable file that contains machine code. A compiled language typically runs faster and more efficiently than an interpreted language, which does not need to be compiled before execution. Java is an example of a compiled language that can run on different platforms using the Java Virtual Machine (JVM), which interprets the machine code for the specific hardware1112. References := CompTIA IT Fundamentals (ITF+) Study Guide, 2nd Edition, Chapter 4: Software Development3; What is Compiled Language? - Definition from Techopedia13
質問 # 43
A user wants to ensure port 3389 is open for remote desktop on a PC. Which of the following describes where the user should verify the port is open?
- A. Antivirus
- B. Device Manager
- C. Anti-malware
- D. Host firewall
正解：D
質問 # 44
A flatbed scanner that is connected to a laptop is used to convert photographic prints to digital images for reproduction on a color printer. Which of the following is considered the input device for this process?
- A. Color printer
- B. Laptop hard drive
- C. Laptop keyboard
- D. Flatbed scanner
- E. Photographic prints
正解：D
解説：
An input device is a hardware component that allows users to enter data or commands into a computer system.
A flatbed scanner is an input device that scans documents or images and converts them into digital data that can be stored, edited, or printed. A flatbed scanner is connected to a laptop via a peripheral device interface, such as USB or Bluetooth. A laptop hard drive, a laptop keyboard, and a color printer are not input devices, but storage, input, and output devices respectively. Photographic prints are not devices at all, but physical objects that can be scanned by an input device. References: Chapter 8 I/O: Input/Output Device Interfaces - CompTIA IT Fundamentals+ (ITF+) Study Guide: Exam FC0-U61, Second Edition, CompTIA IT Fundamentals (ITF+) Certification Exam Objectives, CompTIA IT Fundamentals+ (Exam FC0-U61) Module
3 / Unit 2 / Using Device Interfaces
質問 # 45
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