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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Mobile Devices | 15% | - Mobile device hardware and components
|
| Topic 2: Virtualization and Cloud Computing | 11% | - Cloud computing concepts
|
| Topic 3: Hardware | 25% | - PC hardware components
|
| Topic 4: Hardware and Network Troubleshooting | 29% | - Troubleshooting methodology
|
| Topic 5: Networking | 20% | - Network fundamentals
|
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NEW QUESTION # 377
A company is testing the latest model of a laptop. After turning on the laptop, there is a noticeable burning smell. Which of the following steps should a technician take to troubleshoot the laptop issue? (Select two).
Answer: A,D
Explanation:
When a technician encounters a burning smell, it is a critical safety issue. The first response must be to immediately power down and disconnect the device from all power sources to prevent electric shock, fire, or further hardware damage.
# From the CompTIA A+ 220-1101 Official Study Guide, Objective 4.1 - Troubleshoot common hardware problems:
"Signs of electrical issues such as burning smells, smoke, or sparks require an immediate shutdown of the system and disconnection from any power source." After ensuring safety, the technician should inspect the hardware for visible signs of damage:
# From the same Objective (4.1):
"Inspect for foreign objects, liquid damage, or burnt components. These can cause short circuits or thermal events that may damage the motherboard or other internal components." These steps are standard practice in the industry to ensure safe and accurate diagnosis of faulty devices.
Trying a different adapter (Option F) may make the problem worse, and contacting vendors (Option D) comes after initial safety and inspection.
Verified Source:
* CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 4: Troubleshooting Hardware Problems
* CompTIA Exam Objectives 220-1101, Domain 4.0 - Hardware and Network Troubleshooting
NEW QUESTION # 378
A third-party contractor recently installed a new switch, router, and cabling for a small corporate office. After the installation, users started experiencing issues connecting to resources over the network.
INSTRUCTIONS
Click on each PC and server to review outputs. From the remediation section on the right, select an issue and solution for each device.
Answer:
Explanation:
See the Explanation and detailed steps below.
Explanation:
Looking at the network configurations and outputs from both PCs and servers, here are the possible issues and solutions:
1. PC 1
Issue: The IP address for PC1 is 192.168.1.1, which conflicts with Server 1 (which also uses 192.168.1.1).
Solution: Change the IP address on PC1 to a unique one within the range, like 192.168.1.3.
2. PC 2
Issue: PC 2 is configured with 192.168.1.2, which conflicts with Server 2 that has the same IP address.
Solution: Update the IP address on PC 2 to something unique, like 192.168.1.4.
3. Server 1
Issue: The IP address for Server 1 is 192.168.1.1, which conflicts with PC1.
Solution: Since Server 1 and PC1 are using the same IP address, change one of them. For Server 1, you could change the IP address to 192.168.1.5.
4. Server 2
Issue: Server 2 is using the IP address 192.168.1.2, which conflicts with PC2.
Solution: Update Server 2 to use a different IP address, such as 192.168.1.6.
General Remediation:
The primary problem here is overlapping IP addresses, leading to connectivity issues. Each device on the network must have a unique IP address. After making these changes, ensure that all devices can communicate properly by testing the connection between devices and verifying they can access shared resources.
NEW QUESTION # 379
A company requires a storage solution that combines performance and redundancy for a main database server with high levels of read/write operations. Which of the following storage configurations best meets these requirements?
Answer: A
Explanation:
RAID 10 combines striping and mirroring, delivering high performance for intensive read/write operations while maintaining redundancy through mirrored data, making it ideal for database workloads.
NEW QUESTION # 380
Which of the following wireless networking technologies primarily operates in the 5GHz frequency band?
Answer: D
Explanation:
802.11ac is a Wi-Fi standard that primarily operates in the 5GHz frequency band, providing higher throughput, reduced interference, and better performance compared to older 2.4GHz- based standards.
NEW QUESTION # 381
A company will retire a legacy application in one year but wants to decommission the physical environment now. Which migration method is best?
Answer: A
Explanation:
P2V (physical-to-virtual) conversion allows the legacy application to be moved off its dedicated physical hardware while remaining operational.
Hosting on IaaS (Infrastructure as a Service) means the application runs on virtual servers in a cloud provider's data center, which removes the company's need to maintain a physical environment on-premise.
This approach is ideal for legacy systems nearing retirement because it requires minimal changes to the application itself (often referred to as a "lift and shift" migration), keeping it running for its final year without the burden of managing physical infrastructure.
NEW QUESTION # 382
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