220-1102練習試験と学習ガイドは厳密検証されたFast2test最新な845問題
2026年最新のな厳密検証された合格させる220-1102学習ガイドベズトお試しセット
CompTIA A+ 認定試験：Core 2、または CompTIA 220-1102 試験としても知られている、オペレーティングシステム、セキュリティ、ソフトウェアのトラブルシューティング、ネットワーキングなどの領域における IT プロフェッショナルの知識とスキルをテストするための認定試験です。この試験は、CompTIA A+ 認定の2部構成のうちの第2部であり、既に第1部である CompTIA 220-1001 試験に合格した人を対象としています。
質問 # 298
After access to a server room was breached, a technician needs to implement a secure method to prevent unauthorized access. Which of the following is the most secure solution?
- A. Biometrics
- B. Smart cards
- C. Key fobs
- D. Security guard
正解：A
解説：
Comprehensive and Detailed In-Depth
Biometrics (such as fingerprint scanning, retinal scanning, or facial recognition) is the most secure method because it authenticates individuals based on unique physical characteristics that cannot be easily duplicated or shared.
A . Smart cards - More secure than passwords but can be lost or stolen.
B . Key fobs - Provide access control but can be stolen or cloned.
D . Security guard - Can enhance security but is prone to human error and does not offer automated access control.
Reference:
CompTIA A+ 220-1102, Objective 2.2 - Security Best Practices
質問 # 299
A new spam gateway was recently deployed at a small business However; users still occasionally receive spam. The management team is concerned that users will open the messages and potentially infect the network systems. Which of the following is the MOST effective method for dealing with this Issue?
- A. Providing user training
- B. Adjusting the spam gateway
- C. Adjusting AV settings
- D. Updating firmware for the spam appliance
正解：A
解説：
Explanation
The most effective method for dealing with spam messages in a small business is to provide user training1
. Users should be trained to recognize spam messages and avoid opening them . They should also be trained to report spam messages to the IT department so that appropriate action can be taken1. In addition, users should be trained to avoid clicking on links or downloading attachments from unknown sources1. By providing user training, the management team can reduce the risk of users opening spam messages and potentially infecting the network systems1.
質問 # 300
A technician received a call from a user who clicked on a web advertisement Now. every time the user moves the mouse, a pop-up display across the monitor. Which of the following procedures should the technician perform?
- A. Perform a malware scan.
- B. Reinstall the browser
- C. Restart the machine.
- D. Boot into safe mode.
正解：A、D
解説：
Explanation
Booting into safe mode and performing a malware scan are the steps that a technician should perform when troubleshooting an issue with pop-up advertising messages on a PC. Safe mode is a diagnostic mode that starts the PC with minimal drivers and services, which can prevent the pop-up malware from running. Malware scan is a tool that can detect and remove the pop-up malware, as well as prevent further infection or damage.
Investigating how the malware was installed, reinstalling the browser and restarting the machine are possible steps that can be done after booting into safe mode and performing a malware scan, depending on the situation and the results of the scan. Verified References: https://www.comptia.org/blog/how-to-boot-into-safe-mode
https://www.comptia.org/certifications/a
質問 # 301
A Chief Executive Officer has learned that an exploit has been identified on the web server software, and a patch is not available yet. Which of the following attacks MOST likely occurred?
- A. Zero day
- B. Denial of service
- C. Brute force
- D. On-path
正解：A
解説：
A zero-day attack is an attack that exploits a previously unknown vulnerability in a computer application, meaning that the attack occurs on "day zero" of awareness of the vulnerability
* Configuring AAA Services. Retrieved from
https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-0/security/configuration/guide/sc40crsb
質問 # 302
A technician is reimaging a desktop PC. The technician connects the PC to the network and powers it on. The technician attempts to boot the computer via the NIC to image the computer, but this method does not work. Which of the following is the MOST likely reason the computer is unable to boot into the imaging system via the network?
- A. The Ethernet cable the technician is using to connect the desktop to the network is faulty.
- B. The computer's CMOS battery failed.
- C. The PXE boot option has not been enabled
- D. The computer's NIC is faulty.
正解：C
解説：
The most likely reason the computer is unable to boot into the imaging system via the network is that the PXE boot option has not been enabled. PXE (Preboot Execution Environment) is an environment that allows computers to boot up over the network, instead of from a local disk. In order for this to work, the PXE boot option must be enabled in the computer's BIOS settings. As stated in the CompTIA A+ Core 2 exam objectives, technicians should know how to enable PXE in BIOS to enable network booting on a computer.
質問 # 303
Which of the following common security vulnerabilities can be mitigated by using input validation?
- A. Cross-site request forgery
- B. Brute-force attack
- C. Cross-site scripting
- D. SQL injection
正解：C、D
解説：
Cross-site scripting (XSS) and SQL injection are common security vulnerabilities that can be mitigated by using input validation. Input validation is a technique that checks the user input for any malicious or unexpected characters or commands before processing it. XSS is an attack that injects malicious scripts into web pages to steal cookies, session tokens or other sensitive information from users or web servers. SQL injection is an attack that injects malicious SQL statements into web applications to manipulate databases, execute commands or access unauthorized data. Verified References: https://www.comptia.org/blog/what-is- input-validation https://www.comptia.org/certifications/a
質問 # 304
A user's smartphone data usage is well above average. The user suspects an installed application is transmitting data in the background. The user would like to be alerted when an application attempts to communicate with the internet. Which of the following BEST addresses the user's concern?
- A. Remote wipe
- B. Operating system updates
- C. Firewall
- D. Antivirus
正解：D
質問 # 305
Which of the following should be enabled on a mobile device to prevent unauthorized access to data in case the device is lost or stolen? (Select two).
- A. Remote wipe
- B. Device tracking
- C. Antivirus software
- D. VPN access
- E. Biometric authentication
- F. Encryption
正解：E、F
解説：
To prevent unauthorized access to data if a mobile device is lost or stolen, enabling biometric authentication (such as fingerprint or facial recognition) ensures only authorized users can unlock the device. Encryption protects stored data by making it unreadable without proper credentials, securing the device contents even if physically accessed. Remote wipe and device tracking assist in device recovery or data removal but do not directly prevent unauthorized access. Antivirus software and VPN access protect against malware and network threats but do not guard against physical access. Core 2 Security objectives emphasize biometric authentication and encryption as key security controls for mobile devices.
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質問 # 306
A company is retiring old workstations and needs a certificate of destruction for all hard drives. Which of the following would be BEST to perform on the hard drives to ensure the data is unrecoverable? (Select TWO).
- A. Erasing
- B. Low-level formatting
- C. Recycling
- D. Drilling
- E. Standard formatting
- F. Incinerating
正解：D、F
解説：
Explanation
Drilling and incinerating are physical destruction methods that make the data on hard drives unrecoverable.
Standard formatting, erasing and low-level formatting are logical methods that can be reversed with data recovery tools. Recycling is not a destruction method at all. Verified References:
https://www.comptia.org/blog/what-is-a-certificate-of-destruction https://www.comptia.org/certifications/a
質問 # 307
A user is configuring a new SOHO Wi-Fi router for the first time. Which of the following settings should the user change FIRST?
- A. Service set identifier
- B. Wi-Fi channel
- C. Encryption
- D. Default passwords
正解：D
解説：
the user should change the default passwords first when configuring a new SOHO Wi-Fi router1
質問 # 308
Which of the following is used to detect and record access to restricted areas?
- A. Badge readers
- B. Fence
- C. Bollards
- D. Video surveillance
正解：A
解説：
Badge readers are devices that scan employee or visitor credentials, logging entries and exits from restricted areas. Video surveillance (B) provides a visual record but does not directly control access. Bollards (A) and fences (D) provide physical security but cannot detect or record access events.
Reference: Core 2, Domain 2.1 - Physical security measures.
質問 # 309
During a recent flight an executive unexpectedly received several dog and cat pictures while trying to watch a movie via in-flight Wi-Fi on an iPhone. The executive has no records of any contacts sending pictures like these and has not seen these pictures before. To BEST resolve this issue, the executive should:
- A. set AirDrop so that transfers are only accepted from known contacts
- B. discontinue using iMessage and only use secure communication applications
- C. completely disable all wireless systems during the flight
- D. only allow messages and calls from saved contacts
正解：A
解説：
Explanation
To best resolve this issue, the executive should set AirDrop so that transfers are only accepted from known contacts (option A). AirDrop is a feature on iOS devices that allows users to share files, photos, and other data between Apple devices. By setting AirDrop so that it only accepts transfers from known contacts, the executive can ensure that unwanted files and photos are not sent to their device. Additionally, the executive should ensure that the AirDrop setting is only enabled when it is necessary, as this will protect their device from any unwanted files and photos.
質問 # 310
A Microsoft Windows PC needs to be set up for a user at a targe corporation. The user will need access to the corporate domain to access email and shared drives. Which of the following versions of Windows would a technician MOST likely deploy for the user?
- A. Windows Professional Edition
- B. Windows Server Standard Edition
- C. Windows Enterprise Edition
- D. Windows Home Edition
正解：A
解説：
The Windows Professional Edition is the most likely version that a technician would deploy for a user at a target corporation. This version of Windows is designed for business use and provides the necessary features and capabilities that a user would need to access the corporate domain, such as email and shared drives.
質問 # 311
A technician is setting up a network printer for a customer who has a SOHO router. The technician wants to make sure the printer stays connected in the future and is available on all the computers in the house. Which of the following should the technician configure on the printer?
- A. Static IP
- B. Metered connection
- C. WWAN
- D. DNS settings
正解：A
解説：
Configuring a static IP address for a network printer in a SOHO (Small Office/Home Office) environment ensures that the printer maintains the same IP address over time. This consistency is crucial for networked devices like printers, as computers and other devices rely on this specific address to connect to the printer. If the printer's IP address were to change (as it might with DHCP), devices would no longer be able to communicate with it without reconfiguration.
Static IP: Assigning a static IP address to the printer ensures it always uses the same IP, making it reliably accessible to all computers in the house regardless of network changes or router reboots.
質問 # 312
A systems administrator received a request to limit the amount of cellular data a user's Windows 10 tablet can utilize when traveling. Which of the following can the administrator do to best solve the user's issue?
- A. Set the connection to be metered.
- B. Configure the device to use a static IP address.
- C. Enable the Windows Defender Firewall.
- D. Turn on airplane mode.
正解：A
解説：
Setting the connection to be metered is the best solution for limiting the amount of cellular data a user's Windows 10 tablet can utilize when traveling. A metered connection is a network connection that has a data limit or charges fees based on the amount of data used. Windows 10 allows users to set any network connection as metered, which reduces the amount of data that Windows and some apps use in the background. For example, setting a connection as metered will prevent Windows from downloading updates automatically, stop some apps from syncing data online, and disable some live tiles on the Start menu. Setting a connection as metered can help users save cellular data and avoid extra charges when traveling. Turning on airplane mode, configuring the device to use a static IP address, and enabling the Windows Defender Firewall are not effective solutions for limiting the amount of cellular data a user's Windows 10 tablet can utilize when traveling. Turning on airplane mode will disable all wireless connections on the device, including Wi-Fi, Bluetooth, and cellular data. This will prevent the user from accessing any online services or applications on the tablet. Configuring the device to use a static IP address will assign a fixed IP address to the device instead of obtaining one dynamically from a DHCP server. This will not affect the amount of cellular data the device uses, and it may cause IP conflicts or connectivity issues on some networks. Enabling the Windows Defender Firewall will block or allow incoming and outgoing network traffic based on predefined or custom rules. This will not reduce the amount of cellular data the device uses, and it may interfere with some apps or services that require network access. Reference:
Official CompTIA learning resources CompTIA A+ Core 1 and Core 2, page 19 CompTIA A+ Complete Study Guide: Core 1 Exam 220-1101 and Core 2 Exam ..., page 108
質問 # 313
An organization is updating the monitors on kiosk machines. While performing the upgrade, the organization would like to remove physical input devices. Which of the following utilities in the Control Panel can be used to turn on the on-screen keyboard to replace the physical input devices?
- A. Device Manager
- B. Ease of Access
- C. Programs and Features
- D. Devices and Printers
正解：B
解説：
Ease of Access is a utility in the Control Panel that allows users to adjust various accessibility settings on Windows, such as the on-screen keyboard, magnifier, narrator, high contrast, etc. The on-screen keyboard can be turned on by going to Ease of Access > Keyboard and toggling the switch to On12. Alternatively, the on-screen keyboard can be opened by pressing Windows + Ctrl + O keys or by typing osk.exe in the Run dialog box3.
References: 1 Use the On-Screen Keyboard (OSK) to
type(https://support.microsoft.com/en-us/windows/use-the-on-screen-keyboard-osk-to-type-ecbb5e08-5b4e-d8c8 to Enable or Disable the On-Screen Keyboard in Windows 10 - Lifewire(https://www.lifewire.com/enable-or-disable-on-screen-keyboard-in-windows-10-5180667)3 On-Screen Keyboard Settings, Tips and Tricks in Windows
11/10(https://www.thewindowsclub.com/windows-onscreen-keyboard).
質問 # 314
A user's Windows desktop has low disk space. A technician thinks some upgrade files were never removed. Which of the following tools should the technician use to correct the issue?
- A. diskmgmt.mac
- B. cleanmgr.exe
- C. devmgmt.msc
- D. dfrgui.exe
正解：B
解説：
The correct tool to use for removing upgrade files and freeing up disk space on a Windows desktop is cleanmgr.exe, which stands for Disk Cleanup. Disk Cleanup is a maintenance utility included in Microsoft Windows designed to free up disk space on a computer's hard drive. The utility scans and analyzes the hard drive for files that are no longer of any use, and then removes the unnecessary files. It can delete temporary files, system files, empty the Recycle Bin, and remove a variety of system files and other items that you might no longer need.
質問 # 315
During a routine check, a systems administrator discovers that a user's PC is running slowly and CPU utilization is at 100%. Further investigation shows a large amount of resource usage. Which of the following is the most likely cause of the high resource usage?
- A. DDoS attack
- B. Botnet attack
- C. Firewall activities
- D. Keylogger attack
正解：B
解説：
When a system administrator discovers a user's PC running slowly with 100% CPU utilization, it often indicates that the system is being used for unauthorized purposes, such as being part of a botnet attack. Here's why:
* Botnet attack: Botnets are networks of computers infected with malware and controlled by an attacker.
These infected computers (bots) are often used to carry out tasks like sending spam or participating in Distributed Denial of Service (DDoS) attacks. The high CPU utilization and resource usage indicate that the computer might be performing tasks dictated by the botnet controller.
* Firewall activities: While firewall activities can use some resources, they generally do not cause sustained high CPU utilization.
* DDoS attack: DDoS attacks target external systems by overwhelming them with traffic. A system participating in a DDoS might have high network usage, but the primary symptom on the user's PC would be high network activity, not necessarily CPU usage.
* Keylogger attack: Keyloggers record keystrokes and generally do not cause high CPU utilization. They are more stealthy and have minimal resource footprints.
Reference:
CompTIA A+ 220-1102 Exam Objectives, Section 2.4: Explain common social-engineering attacks, threats, and vulnerabilities.
Security and malware documentation.
質問 # 316
A corporation purchased new computers for a school. The computers are the same make and model and need to have the standard image loaded. Which of the following orchestration tools should a desktop administrator use tor wide-scale deployment?
- A. DVD Installation media
- B. USB drive
- C. PXE boot
- D. Recovery partition
正解：C
解説：
PXE (Preboot eXecution Environment) boot is an orchestration tool that allows a desktop administrator to deploy a standard image to multiple computers over a network. It requires a PXE server that hosts the image and a PXE client that boots from the network interface card (NIC). USB drive and DVD installation media are not orchestration tools, but manual methods of installing an image on each computer individually. Recovery partition is not an orchestration tool, but a hidden partition on the hard drive that contains an image of the factory settings. Verified References: https://www.comptia.org/blog/what-is-pxe-boot
https://www.comptia.org/certifications/a
質問 # 317
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