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NEW QUESTION # 118
A user is trying to install a preferred word processor on their work laptop, but the installation fails each time.
Which of the following is most likely the cause of this failure?
- A. Full browser cache
- B. Slow internet speeds
- C. Unformatted hard drive
- D. Incorrectly configured ACL
Answer: D
Explanation:
The most likely cause of repeated application installation failures on a work-issued laptop is an incorrectly configured Access Control List (ACL). In corporate environments, security policies are designed to limit what standard users can install in order to reduce malware risk, maintain compliance, and ensure system stability. These restrictions are enforced through NTFS permissions, ACLs, and Group Policy settings.
According to the Quentin Docter - CompTIA A+ Complete Study Guide, ACLs define which users or groups have permission to read, write, modify, or execute files and directories. If a user does not have sufficient permissions to write to protected locations such as C:\Program Files, system folders, or specific registry keys, software installers will fail-even if the installer itself is legitimate and intact.
The Travis Everett & Andrew Hutz - CompTIA A+ All-in-One Exam Guide explains that many organizations intentionally restrict installation privileges to administrators only. This prevents users from installing unauthorized or potentially harmful software. When ACLs are misconfigured or intentionally restrictive, installation attempts may fail repeatedly without clearly stating that permissions are the root cause.
The Mike Meyers / Mark Soper Lab Manual further clarifies that issues like a full browser cache or slow internet speeds typically affect downloads, not the execution of installers. An unformatted hard drive would prevent the operating system from functioning at all, making it irrelevant in this scenario.
Therefore, the repeated installation failure on a work laptop is best explained by incorrectly configured ACLs, making C the correct answer.
NEW QUESTION # 119
A Microsoft OS laptop user frequently forgets their password. Which alternative login method should a technician enable?
- A. BitLocker
- B. Windows Hello
- C. User Account Control
- D. Single sign-on
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Windows Helloallows biometric and PIN-based login, which are easier and more user-friendly than passwords.
FromQuentin Docter - CompTIA A+ Complete Study Guide:
"Windows Hello supports biometric authentication and PINs, providing easier and secure access especially for users who have trouble remembering passwords."
NEW QUESTION # 120
You are configuring a home network for a customer. The customer has requested the ability to access a Windows PC remotely, and needs all chat and optional functions to work in their game console.
INSTRUCTIONS
Use the drop-down menus to complete the network configuration for the customer. Each option may only be used once, and not all options will be used.
Then, click the + sign to place each device in its appropriate location.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Wireless AP LAN
Firewall Screened Subnet
Answer:
Explanation:
See explanation below.
Explanation:
The completed configuration:
1. Wireless AP (LAN side)
1. LAN IP: 192.168.10.1
2. Encryption: WPA2 PSK
2. Router (port-forward rule)
1. Allow TCP Any 3389
This forwards inbound RDP traffic (TCP/3389) from the Internet to the Windows PC, enabling Remote Desktop access.
3. Firewall (screened subnet side)
1. LAN IP: 10.100.0.1
4. Device placement
1. PC: place behind the router (where the port-forward rule points).
2. Game console: place on the Wireless AP (so it can use chat and extra services over WPA2 PSK).
3. Firewall: place in front of the screened subnet (with its 10.100.0.1 IP facing that subnet).
* The Windows PC is placed in the screened subnet (behind the firewall) for enhanced security. Remote access to this PC requires port forwarding of TCP port 3389 (RDP), which is correctly configured through the router.
* The Game Console is placed on the Wireless AP LAN, using WPA2 PSK for a secure wireless connection. Game consoles typically use peer-to-peer chat and online services that require open access without firewall restrictions, which is why the console is not placed behind the firewall.
CompTIA A+ 220-1102 Reference Points:
* Objective 3.4: Given a scenario, implement best practices associated with data and device security.
* Objective 2.4: Given a scenario, use appropriate tools to support and configure network settings.
* Study Guide Reference: CompTIA A+ Core 2 guides recommend using screened subnets (a type of DMZ) for systems needing controlled external access, such as remote desktops, while placing gaming and media devices on less restricted networks for full functionality.
NEW QUESTION # 121
A technician is preparing to replace the batteries in rack-mounted UPS system. After ensuring the power is turned off and the batteries are fully discharged, the technician needs to remove the battery modules from the bottom of the rack. Which of the following steps should the technician take?
- A. Wear a face mask to filter out any harmful fumes.
- B. Ensure the fire suppression system is ready to be activated.
- C. Place the removed batteries in an antistatic bag.
- D. Use appropriate lifting techniques and guidelines.
Answer: D
Explanation:
UPS battery modules are heavy and awkward; employing proper lifting techniques (e.g., lifting with the legs, keeping the back straight, and using team lifts or mechanical aids as necessary) prevents musculoskeletal injuries and ensures safe removal.
NEW QUESTION # 122
Welcome to your first day as a Fictional Company, LLC helpdesk employee. Please work the tickets in your helpdesk ticket queue.
INSTRUCTIONS
Click on individual tickets to see the ticket details, and view applicable attachments to determine the problem.
Select the appropriate issue from the 'Issue' drop-down menu. Then, select the most efficient resolution from the 'Resolution' drop-down menu. Finally, select the proper command or verification to remediate or confirm your fix of the issue from the
'Verify/Resolve' drop-down menu.
Answer:
Explanation:
Explanation:
Ticket #8675310
* Issue: Limited network connectivity
* Resolution: Refresh DHCP
* Verify/Resolve: ipconfig /renew
For the Low priority ticket #8675310 ("A small yellow triangle appeared in the taskbar. I am no longer able to access network resources."), the Windows yellow triangle on the network icon is the classic indicator of limited connectivity (often caused by a bad/expired DHCP lease, APIPA address, missing default gateway, or DNS info not being assigned).
Correct PBQ Selections (Ticket #8675310)
Issue
Limited network connectivity
Why (CompTIA logic):
That yellow warning triangle means the NIC is connected at Layer 2 (link is up), but the system likely doesn't have valid Layer 3 config (IP/gateway/DNS), so it can't reach network resources.
Resolution
Refresh DHCP
Why this is the most efficient fix:
When a Windows PC can't access network resources and shows "limited connectivity," the fastest, lowest- risk fix is to renew DHCP so the PC can pull:
* a valid IP address
* default gateway
* DNS servers
This directly resolves the most common root cause behind that icon.
Verify / Resolve
ipconfig /renew
Why this is the correct verification/remediation command:
ipconfig /renew is the direct command to request a fresh DHCP lease. After renewal, the user should regain access to network resources if DHCP was the issue.
What this fixes (what you'd expect to see)
Before the fix, the attachment (Output.txt) in these PBQs typically shows symptoms like:
* 169.254.x.x (APIPA) # DHCP failed
* Missing/blank Default Gateway
* DNS not present or incorrect
After ipconfig /renew, you should see a normal private IP (like 192.168.x.x / 10.x.x.x / 172.16-31.x.x) and a valid gateway/DNS.
NEW QUESTION # 123
A user wants to use a USB to move a 4.57GB .pst file from one Windows computer to another.
Which of the following filesystems should the USB be formatted with?
- A. NTFS
- B. APFS
- C. FAT32
- D. ext4
Answer: A
Explanation:
FAT32 cannot support files larger than 4GB. NTFS supports large file sizes and is compatible across Windows systems, making it the correct choice for transferring a 4.57GB file.
NEW QUESTION # 124
A technician is preparing to install a new CPU and several memory modules into a server. Before touching any of the internal components, the technician puts on an antistatic wrist strap. What is the primary purpose of using this device?
- A. To replicate electrostatic charge
- B. To increase electrostatic charge
- C. To store electrostatic charge
- D. To ground electrostatic charge
Answer: D
Explanation:
The wrist strap is an ESD (electrostatic discharge) prevention tool used to keep the technician and the computer at the same electrical potential so static electricity doesn't discharge into sensitive components like RAM. Quentin Docter explains that with an antistatic (ESD) wrist strap, you "attach one end to an earth ground... or the computer case and wrap the other end around your wrist. This strap grounds your body and keeps it at a zero charge ." This directly matches option C .
Mike Meyers' Lab Manual reinforces the same concept: "The secret to avoiding ESD is to keep you and the parts of the computer you touch at the same electrical potential, otherwise known as grounding yourself to the computing device . You can accomplish this by connecting yourself to the computer via... an ESD strap ." In practical terms, RAM and CPU chips are especially ESD-sensitive, so grounding prevents intermittent or catastrophic failures that might occur after installation. Therefore, the purpose of the wrist strap is to ground electrostatic charge .
NEW QUESTION # 125
An administrator is troubleshooting a computer where the Task Manager repeatedly fails to open when the command is executed.
Which of the following is the MOST likely cause of this issue?
- A. A software development application is running.
- B. A pagefile was moved to the D:\ drive.
- C. The operating system has a malware infection.
- D. Windows Update Service is set to manual.
Answer: C
Explanation:
When Task Manager repeatedly fails to open, that's a strong red flag for system tampering-especially malware designed to block diagnostic and remediation tools. Quentin Docter explains that stealth malware attempts to avoid detection by "masking itself from applications" and can redirect commands around itself to avoid detection . That behavior fits the symptom of a core troubleshooting utility (Task Manager) not launching when an administrator needs it.
Docter also reinforces that the correct process in suspected malware cases begins with " identify and verify the malware symptoms ," followed by containment and remediation steps. If a key system tool is blocked, that itself is a "verify symptoms" indicator that the system is compromised and needs malware-handling procedures.
The other choices don't explain the symptom well: a dev app running would not normally prevent Task Manager from launching; Windows Update set to manual wouldn't block Task Manager; and a moved pagefile might affect performance but not typically stop Task Manager from opening at all. Therefore, malware infection is the most likely cause.
NEW QUESTION # 126
A technician is troubleshooting a print spooler that fails to start on a Windows 11 desktop computer. The technician determines the root cause is that required dependencies are failing to run. Which of the following tools is the technician using?
- A. Services
- B. Process
- C. Performance
- D. Startup
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
TheServicestool in Windows allows a technician to view service dependencies and status. If the print spooler can't start due to a dependency, Services is the correct tool to inspect and manage them.
FromAll-in-One Exam Guide:
"The Services console allows technicians to view, start, and configure system services, including setting recovery actions and viewing dependencies."
NEW QUESTION # 127
Which of the following file types would a desktop support technician most likely use to automate tasks for a Windows user log-in?
- A. .bat
- B. .py
- C. .js
- D. .sh
Answer: A
Explanation:
Batch files (.bat) are classic Windows script files that execute a series of command-line instructions. They can be linked to user logon events via Group Policy or the Startup folder to automate tasks (like mapping drives or launching applications) when a user signs in.
NEW QUESTION # 128
A company's IT policy requires the protection of sensitive data on employee laptops, especially those taken off premises. Recently, data theft on these devices has become a concern. Which of the following security measures should the company implement to safeguard the laptops?
- A. VPN access
- B. Biometric authentication
- C. Intrusion detection software
- D. Full disk encryption
Answer: D
Explanation:
Full disk encryption protects all data on a laptop by making the contents unreadable without proper authentication, preventing data theft even if the device is lost or stolen.
NEW QUESTION # 129
After installing new webcam software, a PC experiences BSOD during videoconference calls. What should the technician do next?
- A. File a warranty claim with the manufacturer
- B. Start in Safe Mode and roll back the device driver
- C. Update the anti-malware signature and scan the system
- D. Reconnect the webcam to the computer
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
BSOD after driver installation suggests a compatibility issue.Safe Mode allows rollback of driversthat may be causing the crash.
FromTravis Everett - CompTIA A+ All-in-One Exam Guide:
"If a BSOD occurs after a driver update, boot into Safe Mode and roll back to the previous driver version to restore system stability."
NEW QUESTION # 130
A user is working from home and is unable to access work files on a company laptop. Which of the following should a technician configure to fix the network access issue?
- A. Proxy network settings
- B. Wide-area network
- C. Virtual private network
- D. Wireless network
Answer: C
Explanation:
A VPN creates a secure tunnel from the user's home network into the corporate network, providing the necessary routing and access controls for the laptop to reach internal file servers. Without a VPN, the device remains outside the corporate LAN and cannot directly reach protected resources.
A VPN creates a secure tunnel from the user's home network into the corporate network, providing the necessary routing and access controls for the laptop to reach internal file servers. Without a VPN, the device remains outside the corporate LAN and cannot directly reach protected resources.
NEW QUESTION # 131
A technician is working to restore a customer's access to a website. Which of the following commands should the technician use to determine the point of failure?
- A. hostname
- B. gpupdate
- C. netstat
- D. tracert
Answer: D
Explanation:
Tracert traces the path packets take to reach a destination and shows where the connection fails, allowing the technician to identify the specific network hop causing the website access issue.
NEW QUESTION # 132
A user reports that their corporate mobile phone is lost. Which of the following protects the data locally on the phone from unauthorized access?
- A. Remote wipe
- B. Degaussing
- C. Password manager
- D. Antivirus
Answer: A
Explanation:
Remote wipe is a mobile device management (MDM) feature that allows administrators to erase data remotely if a device is lost or stolen, preventing unauthorized access to corporate or personal information.
NEW QUESTION # 133
A company wants to prevent unauthorized physical access to its mobile devices. Which of the following should the company do? (Select two).
- A. Use PIN authentication.
- B. Turn on location services.
- C. Configure VPN software.
- D. Disable built-in hotspots.
- E. Install an antivirus application.
- F. Enable screen timeout.
Answer: A,F
Explanation:
To prevent unauthorized physical access to a mobile device, the company must ensure the device locks quickly and requires an authentication factor before anyone can use it. PIN authentication directly blocks access by requiring a passcode to unlock the device-Quentin Docter lists PIN lock as one of the primary
"screen lock" methods used to secure mobile devices, explaining it as the most common unlock method (typically 4-6 digits, sometimes alphanumeric).
Screen timeout (auto-lock) reduces the window in which an unattended phone remains usable; the All-in-One guide notes that systems can be set to an automatic timeout and screen lock, requiring credentials after a short period of inactivity. Mike Meyers' Lab Manual reinforces that you should "protect your data from access by putting a good screen lock on the device," and that these locks commonly require a password/PIN/pattern
/biometric to regain access after locking.
Hotspots, VPN, antivirus, and location services are valuable, but they do not primarily stop someone holding the device from opening it and accessing data.
References: Quentin Docter - CompTIA A+ Complete Study Guide (Mobile Device Security: Screen Locks
/PIN lock); Travis Everett & Andrew Hutz - CompTIA A+ All-in-One Exam Guide (automatic timeout
/screen lock); Mark Soper - Mike Meyers' A+ Lab Manual (screen lock methods protect data from access).
NEW QUESTION # 134
Each time a user tries to go to the selected web search provider, a different website opens.
Which of the following should the technician check first?
- A. System time
- B. IP address
- C. DNS servers
- D. Windows updates
Answer: C
Explanation:
If a user is redirected to an unexpected website, the DNS servers should be checked first to ensure they have not been changed or compromised.
NEW QUESTION # 135
A technician is updating a virtual desktop. The technician discovers that a single update interferes with a business-critical application. The technician reviews the vendor website and learns that the application is EOL and will not receive any further development. Which of the following should the technician do to restore the functionality with minimum downtime?
- A. Uninstall and block the patch.
- B. Change the underlying hypervisor.
- C. Upgrade the application.
- D. Perform a System Restore.
Answer: A
Explanation:
Uninstalling and blocking the patch restores functionality immediately and prevents the incompatible update from being applied again, minimizing downtime while allowing the business- critical EOL application to continue running.
NEW QUESTION # 136
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