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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Hardware and Network Troubleshooting | 28% | - Network issues & resolution - Hardware problems & solutions - Component failure diagnosis & repair - Troubleshooting methodology |
| Topic 2: Hardware | 25% | - Peripherals & storage devices - PC components, installation & configuration - Power supply & cooling systems - Custom PC builds & specialized hardware - Hardware maintenance & upgrades |
| Topic 3: Mobile Devices | 13% | - Synchronization & data management - Network connectivity & configuration - Mobile device security & troubleshooting - Hardware components & replacement |
| Topic 4: Virtualization and Cloud Computing | 11% | - Virtual & cloud security - Cloud infrastructure & resource management - Virtualization concepts & hypervisors - Cloud service models & deployment types |
| Topic 5: Networking | 23% | - IP addressing & protocols - Network connectivity & troubleshooting - Network devices & configuration - Wireless networking standards & security - Network types, topologies & cables |
CertShikenテストトレントを学習し、試験の準備をするのに20〜30時間しかかかりません。 220-1201試験問題を購入した後、220-1201試験トレントを学習し、主に仕事、家庭生活、学習に専念するために数時間を費やすだけです。 220-1201試験問題の回答と質問は入念に選択され、試験の焦点をつかむため、試験の学習と準備に多くの時間を節約できます。合格率は98％以上と高いため、220-1201ガイドトレントを購入することで安心できます。
質問 # 465
Which of the following video cables uses an analog signal?
正解：A
解説：
The correct answer is B. VGA.
VGA (Video Graphics Array) is an analog video interface. It transmits video signals as continuous electrical waves, which means the signal can degrade over distance or due to interference. VGA uses a 15-pin connector and is considered legacy hardware in modern systems, but it is still important for CompTIA A+ because you may encounter it in older equipment.
Why the other options are incorrect:
A). DVI
DVI can support both digital and analog signals, but in most modern contexts and exam questions, it is primarily treated as a digital interface (especially DVI-D). Since the question asks for a clearly analog cable, VGA is the best answer.
C). USB-C
USB-C is a digital interface that can carry video signals using protocols like DisplayPort Alternate Mode. It does not transmit analog video.
D). HDMI
HDMI is a fully digital interface used for high-definition video and audio transmission. It does not support analog signals.
Exam Tip (Core 1 220-1201):
* Analog video = VGA
* Digital video = HDMI, DisplayPort, USB-C, most DVI types
質問 # 466 
Which of the following is the most likely cause?
正解：C
解説：
The key detail in the ipconfig output is that the system is receiving an IP address, subnet mask, default gateway, and DHCP server information via DHCP, but the DNS servers shown are 8.8.8.8 and 8.8.4.4, which are Google's public DNS servers. In most corporate networks, DNS is provided internally by the DHCP server-usually the same device assigning the IP address. When DNS values are different from DHCP- provided defaults, it indicates manual DNS configuration.
CompTIA A+ emphasizes that mismatched DNS settings can cause browsing issues, name-resolution delays, or an inability to access internal resources. DNS is critical because it translates domain names into IP addresses; if manually configured, the device bypasses the organization's DNS server and may not resolve internal hostnames.
The subnet mask is correct for a Class B private network subdivided using /24 (255.255.255.0). NetBIOS being enabled is common and not a cause of connectivity issues here. DHCP being enabled is normal and functioning correctly, as shown by the proper IP lease obtained.
Thus, the anomalous and most likely problematic configuration is manually configured DNS, making Option D correct.
質問 # 467
The display in a conference room has a ghost image that does not match the presentation Which of the following would test resolve the issue?
正解：A
解説：
B:Correct the keystone:
A keystone correction adjusts the image shape when a projector is angled either up or down. When a projector is not positioned directly perpendicular to the screen, the image becomes distorted or offset. Correcting the keystone will resolve alignment issues, ensuring that the presentation matches the display.
Incorrect Options:
A:Adjust the color settings: This is used for improving color balance and has no impact on ghosting or mismatched images.
C:Increase the brightness levels: Brightness changes the visibility of the image but does not address ghosting or alignment.
D:Replace the monitor: Replacing the monitor is unnecessary unless there is hardware failure, which is not indicated here.
Key Takeaway: Keystone correction is essential to resolve alignment and distortion issues in projected images.
Reference: CompTIA A+ Core 1 Exam Objectives (220-1201), Domain 3.4 - Display troubleshooting.
質問 # 468
Which connector is used to uplink a new ISP cable modem to its wall jack?
正解：B
解説：
Cable modems supplied by ISPs connect to the coaxial wall outlet using an F-type connector. CompTIA A+ specifies that F-type connectors are threaded coaxial connectors used in broadband cable internet, cable TV, and some satellite systems. They attach to RG-6 or RG-59 coaxial cable and provide a secure, shielded connection to the cable provider's infrastructure.
The cable modem requires this coaxial uplink to receive downstream and upstream signals from the ISP before converting them into Ethernet on the LAN side.
LC (B) is for fiber optic connectors, not coaxial. RJ45 (C) is an Ethernet connector and is used on the LAN side of the modem-not on the wall uplink. Lightning (D) is an Apple connector and irrelevant to networking hardware.
Thus, the correct connector for the ISP cable modem uplink is F-type.
質問 # 469
A technician is diagnosing several device issues reported by employees.
INSTRUCTIONS
Click on each device to review the issue. Then select the appropriate issue and solution from the drop-down menu. Each option may be used more than once.
正解：
解説：
Explanation:
A screenshot of a computer AI-generated content may be incorrect.
質問 # 470
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