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220-1201 Study Practice Guide Give Customers Best CompTIA A+ Certification Exam:

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220-1201 Study Practice Guide Give Customers Best CompTIA A+ Certification Exam:

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CompTIA A+ Certification Exam: Core 1 Sample Questions (Q287-Q292):NEW QUESTION # 287
Which of the following types of connectors does an IDE hard drive use for power?
  • A. F type
  • B. Lightning
  • C. Molex
  • D. SC
Answer: C
Explanation:
An IDE hard drive uses a Molex connector for power. This 4-pin connector is a standard for older drives.
Why Not A (F type): F type connectors are used for coaxial cables in video and internet applications.
Why Not B (SC): SC connectors are for fiber optic cables.
Why Not D (Lightning): Lightning connectors are for Apple devices.
CompTIA A+ Exam Reference: Core 1 (220-1201), Section 3.1, cable types and connectors.

NEW QUESTION # 288
When turning on a workstation, a technician observes the following message:
"Bootable device not found."
The technician verifies the correct boot order in the BIOS. Which of the following steps should the technician take next?
  • A. Replace the HDD.
  • B. Run HDD diagnostics.
  • C. Reformat the HDD.
  • D. Reseat the RAM.
Answer: B
Explanation:
Comprehensive and Detailed In-Depth Explanation:
If the system reports"Bootable device not found", and the BIOS is configured correctly, the next step is torun diagnostics on the hard driveto check for physical or logical failure. It could be a sign of afailing drive or corrupt boot sector.
* Option A:Reformatting the drive would erase data - not a diagnostic step.
* Option C:RAM does not affect whether a drive is bootable.
* Option D:Replacing the drive should only be doneafter diagnostics confirm failure.
CompTIA A+ Core 1 Exam Objective Reference:
* Objective 3.5: Given a scenario, troubleshoot problems related to storage devices.

NEW QUESTION # 289
A technician installs an external camera on a user's laptop. When loading meeting software, the video preview shows a blank screen. What should the technician do next?
  • A. Update the camera software.
  • B. Select the correct camera source.
  • C. Replace the camera.
  • D. Check the camera cable.
Answer: B
Explanation:
Most meeting or conferencing applications default to the built-in laptop camera unless manually changed. When an external camera is connected, the software may continue to use the default device, resulting in a blank preview, especially if the internal camera is disabled, covered, or malfunctioning. CompTIA A+ stresses verifying correct device selection when peripherals are installed.
Selecting the correct camera source is a quick, non-invasive test that resolves the issue in the majority of cases. The technician should open the application's video settings and choose the external webcam from the camera dropdown menu.
Replacing the camera (B) is premature without confirming configuration. Updating software (C) is beneficial but will not resolve a simple input-selection error. Checking the cable (D) is a valid step if the preview still fails after selecting the device.
Thus, the correct next step is to select the proper camera source.

NEW QUESTION # 290
Which of the following has the best penetration through physical objects, such as walls?
  • A. 2.4GHz
  • B. 5GHz
  • C. NFC
  • D. 6GHz
Answer: A
Explanation:
2.4GHz Wi-Fi signals have better penetration through walls and other obstacles compared to 5GHz and 6GHz. Lower frequency waves (like 2.4GHz) travel farther and are less absorbed by physical barriers.
From the CompTIA A+ 220-1101 Official Study Guide, Objective 2.5 - Compare and contrast wireless networking protocols:
"The 2.4GHz frequency band offers greater range and better penetration through walls and obstacles than higher frequencies like 5GHz and 6GHz. Higher frequencies provide faster speeds but are more easily absorbed by walls." NFC (Near Field Communication) is not a Wi-Fi technology and works only over very short distances (a few centimeters).
Verified Source:
CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 2: Wireless Networking CompTIA Exam Objectives 220-1101, Domain 2.5

NEW QUESTION # 291
A student configures a wireless SOHO network to connect four laptops and one multifunction printer. All laptops must have internet access and be able to use the printer. Which of the following settings ensures the printer is always available?
  • A. Manually assign IP addresses to the laptops and printer based on the public IP from the ISP.
  • B. Use APIPA for laptops and connect the printer to the ISP router.
  • C. Use dynamic IP addresses from the ISP router for all the devices.
  • D. Configure dynamic IPs for the laptops and a static IP for the printer on the same subnet.
Answer: D
Explanation:
Comprehensive and Detailed Explanation (100-150+ Words):
CompTIA A+ stresses that printers must use static IP addresses to remain consistently reachable on a LAN. When using DHCP, the printer's IP address may change, causing laptops to lose access. By assigning a static IP within the same subnet, the printer becomes a stable, discoverable network resource for all laptops.
Using dynamic IPs for the laptops is perfectly acceptable in SOHO environments, because clients don't require permanent IPs. Assigning public IPs (Option B) is incorrect and unsafe. APIPA (169.254.x.x) does not route and cannot reach the internet or a standard printer. Using dynamic ISP-assigned IPs for all devices (Option D) is also incorrect because ISP routers typically give only one public IP, not multiple internal ones.
Therefore, to ensure the printer is always reachable, the correct configuration is: DHCP for laptops, static IP for printer a best practice detailed in CompTIA's networking and SOHO setup guidelines.

NEW QUESTION # 292
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