Pass the CompTIA A+ 220-1201 Questions and answers with Dumpstech

The system date/time is maintained by the CMOS battery when the PC is powered off. If this battery fails, time resets will occur. Additionally, since the system is connected to a UPS, ensuring the UPS is functioning correctly (i.e., the backup power source) is essential.

NVMe (Non-Volatile Memory Express) drives commonly use the M.2 interface and provide the highest performance for SSDs.

From CompTIA A+ 220-1101 Official Study Guide, Objective 3.2 – Storage devices:

“NVMe drives connect via the M.2 slot and provide the fastest data transfer rates available for storage devices.”

Verified Source:

CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Storage Technologies

CompTIA Exam Objectives 220-1101, Domain 3.2

The degraded status on Server 2 indicates a RAID-5 issue, typically due to a failed or failing drive. In RAID-5 configurations, when one drive fails, the system can still operate but with reduced performance as parity data is used to rebuild missing data on-the-fly.

Recommended Replacement Drive:

To minimize performance degradation, the replacement drive should be:

SAS HDD with the same specifications (64KB stripe size, no read-ahead, and write-back policy).

Matching the configuration exactly ensures seamless integration and optimizes recovery speed in the RAID-5 array.

In RAID-5, degraded performance is expected when one drive fails, as parity data needs to rebuild missing information during each read/write process. Replacing the failed drive restores the RAID array to optimal status, reducing the load on existing drives and returning the system to normal read/write performance. The write-back policy and disabled disk cache settings are designed to reduce latency and increase efficiency, essential for handling real-time applications.

A user reports poor performance on the

application server.

INSTRUCTIONS

Click on Server 1 and Server 2 and review

the information presented in each chart to

determine which drives need to be replaced.

Select the appropriate replacement drive

that should be used, for the least

performance degradation to the server.

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Check the exhibit diagram for both parts.

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Part 2

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correct answer is "Overclocking" and "Reduce CPU Clock speed" CPU is at 4.5 Ghz when normal is 3.2 Ghz. Overclocking too much can cause freezes, and this is a gaming computer sothe user probably took it too far. http://blog.logicalincrements.com/2018/12/4-troubleshooting-tips-overclocking-pc/

Wall Outlet

(empty — nothing goes directly to the wall)

Surge Protector (Power Source: Wall Outlet)

Printer

Scanner

UPS (Power Source: Surge Protector)

Computer

Monitor

Cable Modem

Wi-Fi Router

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.

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solution as

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Packet loss

Plug an Ethernet cable into the workstation

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Answer of both steps below.

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If only one print job fails and others succeed, it is often due to a paper type or tray selection mismatch for that specific job. If a print job is configured to use a tray that is empty or set to manual feed, it will not be released until resolved.

From CompTIA A+ 220-1101 Official Study Guide, Objective 4.3 – Printer troubleshooting:

“If a specific print job stalls while others succeed, check the job settings for specific tray or paper type configurations that do not match the printer’s current setup.”

Verified Source:

CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 4: Printer Troubleshooting

CompTIA Exam Objectives 220-1101, Domain 4.3

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A Layer 3 switch is the optimal solution when multiple VLANs must intercommunicate while maintaining high performance and minimal hardware complexity. CompTIA A+ explains that Layer 3 switches combine the capabilities of switching (Layer 2) and routing (Layer 3), allowing VLAN traffic to be routed internally at wire speed, without the latency typically associated with traditional routers.

Layer 3 switches use hardware-based routing, meaning they forward inter-VLAN traffic using ASICs (Application-Specific Integrated Circuits). This allows them to achieve extremely fast throughput, ideal for environments like computer training institutes where multiple VLANs may be used for student labs, instructor networks, and administrative traffic.

A router (D) can route between VLANs but introduces more latency due to software-based routing and typically requires additional equipment. A Web application firewall (A) and DDoS appliance (B) are security devices unrelated to internal VLAN communication.

Because the institute requires minimal hardware and high-speed inter-VLAN communication, the Layer 3 switch is the only CompTIA-supported device that meets both requirements simultaneously.