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| Section | Weight | Objectives |
|---|---|---|
| Hardware and Network Troubleshooting | 29% | - Troubleshooting methodology
|
| Mobile Devices | 15% | - Mobile device hardware and components
|
| Networking | 20% | - Network fundamentals
|
| Virtualization and Cloud Computing | 11% | - Cloud computing concepts
|
| Hardware | 25% | - PC hardware components
|
>> 220-1201 Fragen Antworten <<
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151. Frage
A user reported performance issues on a computer after a recent OS update A technician is confident that rolling back the system will resolve the issue. Which of the following steps should the technician take next?
Antwort: C
Begründung:
C . Initiate the system restore:
If the technician is confident that rolling back the system to a previous restore point will resolve the issue, the next logical step is to initiate the System Restore process.
System Restore allows the system to revert to a state before the OS update, which can eliminate the performance issues caused by the update.
Incorrect Options:
A . Document the findings: Documentation is important but should occur after resolving the issue.
B . Investigate any recent infrastructure changes: This is unnecessary if the issue is already attributed to the OS update.
D . Verify full system functionality: This step should be performed after the System Restore is completed.
Key Takeaway: When confident that rolling back will resolve the issue, the technician should proceed with initiating a System Restore to revert the OS.
152. Frage
A customer has a basic unmanaged switch and wants to install a wireless access point in the attic. Which of the following should a technician recommend to make the installation as simple as possible?
Antwort: B
Begründung:
A Power over Ethernet injector is the simplest solution because the unmanaged switch does not provide PoE. The injector is installed inline between the switch and the wireless access point. It adds electrical power to the Ethernet connection while allowing network data to travel over the same cable. This eliminates the need to install a separate electrical outlet in the attic, reducing installation complexity and cost. A patch panel organizes and terminates network cabling but does not provide power. Mounting an antenna on the roof would not solve the access point's power requirement and could create additional environmental and cabling concerns. Installing an electrical outlet would work, but it requires electrical work and is less convenient. A PoE injector is specifically designed to power devices such as access points and IP cameras when the existing switch lacks PoE capability.
153. Frage
A user's phone does not charge consistently, even after a new cable is used to try to charge the phone. The phone's battery is not swollen. Which of the following should a technician try next to fix the phone?
Antwort: C
Begründung:
Inconsistent charging after replacing the cable commonly indicates debris or lint in the USB-C port preventing proper electrical contact. Cleaning the port often restores reliable charging without requiring battery replacement or repair.
154. Frage
A technician checks a RAID 5 array and sees a S.M.A.R.T. alert on one disk, but the array still shows healthy. What should the technician do next?
Antwort: D
Begründung:
A S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) alert indicates a physical hardware-level issue with the drive, suggesting it is likely to fail in the near future. While the RAID
5 array is currently still healthy (operating in a degraded state with one potential failure that hasn't fully manifested yet), the predictive failure alert means the drive must be replaced as a proactive measure. The data on the drive can be rebuilt onto a new, healthy drive using the parity and data from the remaining disks in the array.
155. Frage
A user ' s computer is connected to a docking station at their desk. The user cannot access the department file servers even though the docking station has a hardwired connection. Which of the following steps should a technician take to restore the user ' s access?
Antwort: D
Begründung:
In CompTIA A+ Core 1 (220-1201) networking and troubleshooting, a common cause of "can't reach internal resources" while docked is that the laptop is still using the wireless interface (or has a higher interface priority for Wi-Fi) instead of the docking station's wired Ethernet connection. If the Wi-Fi network is a guest/isolated VLAN, uses different routing, or has stricter access controls, the user may be blocked from reaching department file servers even though an Ethernet cable is physically connected to the dock. Disabling Wi-Fi is a fast, low-risk step that forces the system to use the wired NIC path through the docking station, which typically provides the correct corporate network access, DHCP scope, and routing to internal servers.
Restarting the computer might help in some cases, but it's less targeted and not the "best next step" when the likely issue is interface selection. Replacing the Ethernet cable is appropriate if link lights are off or the wired connection is clearly down, but the scenario highlights that the dock has a hardwired connection-suggesting the physical layer may be fine. Dock firmware updates are not a first-line fix for basic connectivity/access symptoms.
156. Frage
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