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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Mobile Devices | 15% | - Mobile device configuration - Mobile device management (MDM) - Mobile device troubleshooting - Mobile device synchronization - Cellular connectivity and settings |
| Topic 2: Hardware | 27% | - Power supplies and connectors - RAM types and installation - BIOS/UEFI and firmware - PC hardware and peripherals - CPU and expansion cards - Peripheral devices and connections - Storage devices (HDD, SSD, NVMe) |
| Topic 3: Hardware and Network Troubleshooting | 26% | - Network troubleshooting - Printers and multifunction devices - Hardware troubleshooting - Mobile device troubleshooting - Troubleshooting methodology - Common symptoms and root causes |
| Topic 4: Networking | 20% | - Network troubleshooting - Network connectivity - Network hardware and devices - Network configurations - Network protocols and services - IP addressing and subnetting basics |
| Topic 5: Virtualization and Cloud Computing | 12% | - Cloud and virtualization troubleshooting - Cloud concepts and models (IaaS, PaaS, SaaS) - Virtualization fundamentals - Virtual machine concepts - Cloud connectivity and configuration |
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NEW QUESTION # 54
Which of the following can carry data and electricity to network devices? (Select two).
Answer: B,C
Explanation:
PoE (Power over Ethernet) allows both data and electrical power to be delivered over the same Ethernet cable. A PoE injector adds power to Ethernet cables for devices that need it.
From CompTIA A+ 220-1101 Official Study Guide, Objective 2.2 - Networking hardware:
"Power over Ethernet (PoE) technology and PoE injectors enable both power and data transmission to compatible network devices like access points and IP cameras." Verified Source:
* CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 2: Network Hardware
* CompTIA Exam Objectives 220-1101, Domain 2.2
NEW QUESTION # 55
A developer wants to protect critical data from hard drive failure. Their workstation has two hard drives. Which RAID level should they use?
Answer: D
Explanation:
RAID 1, also known as disk mirroring, duplicates data identically to two drives, ensuring full redundancy if one drive fails. Because the workstation only has two drives, RAID 1 is the only RAID level that provides fault tolerance under this constraint, exactly as described in the CompTIA A+ study guide.
RAID 0 offers no redundancy, RAID 5 requires at least three drives, and RAID 10 requires at least four drives.
RAID 1 is the recommended configuration for small environments or workstations that rely on data integrity and quick recovery, matching CompTIA's guidance for redundancy in systems with limited drive availability.
NEW QUESTION # 56
A user brings a laptop to work every morning, correctly seats it in the docking station and then opens the laptop to begin work with no issues After the user left the laptop at home during a two-week vacation the laptop is no longer working. Upon returning to the office, the user reports that the keyboard and display are no longer working Which of the following should the technician ask the user to do first?
Answer: C
Explanation:
Reasoning: Many docking stations provide power and functionality only when the laptop is properly powered on. If the laptop was powered off (e.g., during the vacation), docking it will not automatically turn it on. The technician should first ensure the laptop is powered on by pressing the power button.
This is a common troubleshooting step when laptops in docking stations appear non-functional.
Relevance to CompTIA A+ Core 1: This falls under Objective 5.2, which covers diagnosing and resolving common laptop and mobile device issues.
Why the Other Options Are Incorrect:
A:Ensure the docking station is plugged in:
While ensuring power to the docking station is important, the scenario specifies that the issue occurred after a vacation. The likelihood of the docking station losing power coincidentally during the vacation is low.
Verifying the laptop's power state should be the first step.
C:Plug the laptop in and let it charge overnight:
There is no indication the laptop's battery is drained. While charging could resolve a dead battery, the user is more likely experiencing an issue where the laptop is powered off but docked, so charging overnight is not the best first step.
D:Connect the laptop directly to the network:
A network connection will not resolve the primary issue of the keyboard and display not working. Addressing the laptop's power state is a higher priority.
Practical Example:
If a user returns from a vacation and places a powered-off laptop into a docking station, it may not automatically power on. Pressing the power button ensures the laptop is operational and communicating with the docking station.
CompTIA A+ Exam Objective Alignment:
Objective 5.2: Troubleshooting common laptop issues, including power, display, and peripheral connectivity.
NEW QUESTION # 57
A consultant is assessing the wireless configurations for a small office. The existing equipment uses WEP encryption and operates on the default channel. The office is in a crowded urban area with many nearby networks. Which of the following is the best way to improve the wireless network performance?
Answer: C
Explanation:
Comprehensive and Detailed Explanation
The wireless environment is crowded, and the office is using:
WEP encryption โ obsolete, insecure, and supported only by outdated hardware Default channel โ likely causes interference in a busy area CompTIA A+ emphasizes:
WEP should be replaced with WPA2 or WPA3
Older APs that only support WEP cannot simply be updated
Newer APs also allow dual-band / multiple channels to avoid interference Therefore, the best solution is:
โ Replace the access point with a modern WPA2/WPA3-capable AP that supports improved channel selection.
Why the other options are incorrect
B . Disabling SSID broadcast - Does nothing for performance or security.
C . MAC filtering - Ineffective for performance and easily bypassed.
D . Updating firmware - Cannot upgrade WEP hardware to WPA2/3 if hardware limitations exist.
NEW QUESTION # 58
A receipt printer produces completely black pages when printing. Which of the following should the technician do to resolve the issue?
Answer: C
Explanation:
The technician should replace the printhead. A thermal receipt printer creates an image by selectively heating points on specially coated paper. If every heating element remains active or the printhead's control circuitry fails, the entire paper surface can be exposed to heat and become black. Cleaning the heating element is appropriate when dirt or residue causes vertical white lines, missing sections, or uneven output, but it is unlikely to correct a completely black page caused by an electrical printhead failure. Recalibrating a ribbon does not apply to a direct thermal receipt printer because it does not use an ink ribbon. Maintenance kits are primarily associated with laser printers and commonly contain components such as rollers and a fuser. A defective thermal printhead is therefore the option that best explains completely black output and should be replaced.
NEW QUESTION # 59
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