220-1201 Exam Dumps - CompTIA A+ Core 1 Exam (2026)

A computer tower with a hard drive and a hard drive AI-generated content may be incorrect.

A computer tower with a computer and a hard drive AI-generated content may be incorrect.

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/

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.

For the highest possible stability, the best power-supply choice is a redundant power supply. In CompTIA A+ Core 1 (220-1201) hardware concepts, redundant PSUs are used in systems where uptime and reliability are critical. A redundant PSU configuration typically includes two power supply units operating together (often in a hot-swappable bay). If one PSU fails, the other continues supplying power, allowing the workstation to remain operational and preventing unexpected shutdowns that could interrupt CAD work or corrupt data. This directly matches the requirement for maximum stability.

A UPS improves resilience to power loss and brownouts by providing battery backup and line conditioning, but it is not a power supply type and doesn’t protect against the PSU itself failing. A surge protector helps guard against voltage spikes, but it also does not ensure system operation if the PSU fails. A modular PSU mainly improves cable management and airflow by allowing detachable cables; it can be convenient and neat, but it does not inherently increase stability compared with redundancy. Therefore, the most stability-focused PSU option is Redundant.

In the CompTIA A+ Core 1 (220-1201) networking concepts, satellite internet is commonly associated with higher (increased) latency compared with terrestrial options like cable, fiber, or DSL. Latency is the delay between sending data and receiving a response. With satellite, signals must travel from the user’s dish up to a satellite and then back down to a ground station (and return again for responses). That long travel distance adds noticeable delay, which can affect real-time activities such as VoIP, video conferencing, and online gaming. Even though newer low-earth-orbit (LEO) systems can reduce latency compared with older geostationary systems, satellite service is still generally discussed in A+ as having higher latency characteristics to consider.

The other options do not best fit satellite internet. Proximity to urban infrastructure (A) is more relevant to cable/fiber availability. An eSIM requirement (B) relates to cellular/mobile service, not satellite broadband. Line of sight to a nearby tower (C) describes cellular or fixed wireless services that depend on tower connectivity; satellite instead needs a clear view of the sky toward the satellite (not a nearby tower). Therefore, increased latency is the best characteristic to consider.

For a main database server with high read/write activity, the best RAID choice must deliver strong performance while still providing fault tolerance. Per CompTIA A+ Core 1 (220-1201) storage/RAID objectives, RAID 10 (1+0) combines disk mirroring (RAID 1) and disk striping (RAID 0). Striping improves performance by distributing read/write operations across multiple disks, which is ideal for databases that perform frequent transactions. Mirroring provides redundancy by keeping an identical copy of data on a paired drive, allowing the system to tolerate drive failures (typically one drive per mirrored pair) without data loss.

RAID 0 is fast but offers no redundancy, making it inappropriate for critical servers. RAID 5 and RAID 6 use parity, which provides redundancy but introduces a write penalty because parity must be calculated and written during updates—often a poor fit for workloads with heavy random writes like databases. RAID 6 is even more write-intensive

CompTIA A+ Core 1 (220-1201) display technology objectives emphasize that contrast ratio is strongly influenced by how well a screen can produce true black. OLED (Organic Light-Emitting Diode) panels are known for the highest contrast ratios because each pixel is self-emissive—meaning it generates its own light. When an image requires black, OLED can turn individual pixels completely off, producing near-perfect black levels and extremely high (often “infinite”) contrast in practical terms.

By comparison, LCD panels require a backlight, so black areas still allow some light leakage through the liquid crystal layer, reducing contrast. LED in this context is typically an LED-backlit LCD, not a fundamentally different pixel technology; it improves brightness and efficiency but still relies on backlighting, so contrast is limited by backlight bleed and panel design. QLED is also a type of LCD technology that uses a quantum dot layer to enhance color and brightness, but it still uses a backlight, so it cannot match OLED’s per-pixel shutoff for black levels. Therefore, OLED is the best choice for the highest contrast ratios.

NTP (Network Time Protocol) is specifically designed to synchronize the clocks of networked computers and devices automatically.

From CompTIA A+ 220-1101 Official Study Guide, Objective 2.6 – Network services and protocols:

“NTP is used to automatically synchronize system clocks on network devices, ensuring all systems have accurate time.”

Verified Source:

CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 2: Networking Protocols

CompTIA Exam Objectives 220-1101, Domain 2.6

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