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| Section | Weight | Objectives |
|---|---|---|
| Mobile Devices | 13% | - Synchronization & data management - Network connectivity & configuration - Mobile device security & troubleshooting - Hardware components & replacement |
| Networking | 23% | - Wireless networking standards & security - Network devices & configuration - Network connectivity & troubleshooting - Network types, topologies & cables - IP addressing & protocols |
| Virtualization and Cloud Computing | 11% | - Virtual & cloud security - Cloud service models & deployment types - Cloud infrastructure & resource management - Virtualization concepts & hypervisors |
| Hardware and Network Troubleshooting | 28% | - Network issues & resolution - Troubleshooting methodology - Component failure diagnosis & repair - Hardware problems & solutions |
| Hardware | 25% | - Custom PC builds & specialized hardware - Hardware maintenance & upgrades - Power supply & cooling systems - Peripherals & storage devices - PC components, installation & configuration |
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問題 #31
Which of the following is the best option to maintain a stable, tethered connection between a cell phone and a laptop?
答案：A
解題說明：
The correct answer is B. USB.
In the CompTIA A+ Core 1 (220-1201) objectives under mobile devices and connectivity methods, tethering refers to sharing a mobile device's internet connection with another device such as a laptop. There are several tethering methods, including USB tethering, Bluetooth tethering, and Wi-Fi hotspot.
USB tethering is considered the most stable and reliable (tethered) connection because:
* It uses a physical cable connection, eliminating wireless interference.
* It provides consistent bandwidth and low latency.
* It also charges the phone while connected, which is an added benefit.
* It is less prone to disconnections compared to wireless methods.
Why the other options are incorrect:
A). Bluetooth
Bluetooth tethering is slower and less stable due to limited bandwidth and susceptibility to interference. It is not ideal for high-performance or stable connections.
C). Hotspot
A mobile hotspot uses Wi-Fi, which is wireless, not tethered. While convenient, it is less stable than a wired USB connection and can be affected by interference and signal range.
D). NFC
NFC (Near Field Communication) is used for very short-range communication like payments or quick pairing. It is not used for maintaining a continuous network connection.
問題 #32
A technician needs to figure out why a laser printer is intermittently not feeding paper to print. The technician verifies the issue by running several copy-and-print tests. Which of the following should the technician do next?
答案：C
解題說明：
When a laser printer intermittently fails to feed paper, the most common hardware cause is worn or dirty pickup rollers. These rollers grab the paper from the tray and move it into the printer. Over time, dust, paper debris, or worn rubber reduces their effectiveness, causing feeding issues.
問題 #33
A technician receives a S.M.A.R.T. error on a PC. When the technician presses the Esc key, the PC continues to turn on without any further issues.
Which of the following should the technician do next?
答案：A
解題說明：
S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology):
S.M.A.R.T. is a monitoring system integrated into modern HDDs and SSDs that detects and reports on various indicators of drive health and reliability.
A S.M.A.R.T. error indicates that the drive is showing signs of impending failure, even if the PC continues to boot and work normally for the time being.
Next Steps:
The appropriate action is to replace the hard drive (HDD) because a S.M.A.R.T. error is an early warning of possible hardware failure. Ignoring the warning could result in data loss if the drive fails completely. The technician should also back up the user's data immediately to avoid losing
問題 #34
After troubleshooting a computer's connectivity, the network team determines there is a port-mapping issue. After plugging the patch cable into a different port, the issue persists. Which of the following troubleshooting steps should a technician take next to resolve the issue?
答案：D
解題說明：
When port issues persist after moving to a different switch port, the next logical troubleshooting step is to test the patch cable. Faulty or damaged cables are a common cause of network connectivity problems. Using a cable tester between the computer and the network closet verifies the integrity of the cable and rules out a physical layer issue.
From CompTIA A+ 220-1101 Official Study Guide, Objective 4.2 - Troubleshoot wired and wireless networks:
"If a device continues to experience connectivity issues after switching ports, test the cabling with a cable tester to check for continuity, shorts, or pinout issues before replacing hardware." Verified Source:
CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 4: Troubleshooting Network Connectivity CompTIA Exam Objectives 220-1101, Domain 4.2
問題 #35
A user's laptop is projecting an image upside down when connected to a ceiling-mounted projector. Which of the following should the technician do to best resolve the issue?
答案：D
解題說明：
Ceiling-mounted projectors are typically installed upside down, and therefore include a built-in "Ceiling Mount" or "Vertical Flip" setting within their display menu. CompTIA A+ emphasizes that projectors provide their own orientation controls intended specifically for this installation scenario. Adjusting orientation from the laptop rotates the desktop, not the projected output configuration. Changing input sources does not affect image orientation. Display frequency affects refresh rate and flickering, not physical image rotation.
Flipping the image directly from the projector ensures the display is oriented correctly regardless of the device connected. This is the method recommended in A+ material under display configuration and projector troubleshooting, which covers keystone correction, rotation, and mounting modes.
Thus, the correct solution is to flip the image vertically using the projector's built-in settings.
問題 #36
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