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NEW QUESTION # 134
Which of the following allows for a beam of light to transmit data through a flexible cable?
- A. HDMI
- B. Coaxial
- C. Thunderbolt
- D. Single-mode fiber
Answer: D
Explanation:
Single-mode fiber uses a beam of light to transmit data over long distances through a very thin, flexible cable. It is commonly used for high-speed data transmission across wide areas, such as between buildings or over long distances within a network. Single-mode fiber offers a higher bandwidth and longer distance capabilities compared to other types of fiber optics.
* D. Single-mode fiber: Transmits data using light through a fiber optic cable, making it ideal for long- distance communication.
Why the other options are incorrect:
* A. Coaxial: Coaxial cables use electrical signals, not light, to transmit data.
* B. HDMI: HDMI (High-Definition Multimedia Interface) is used for transmitting audio and video signals but does not use light for data transmission.
* C. Thunderbolt: Thunderbolt cables transmit data using electrical signals and are typically used for high-speed data transfer and display connections.
This falls under the Networking and Hardware domain in the CompTIA A+ Core 1 exam.
NEW QUESTION # 135
A customer has contacted you about building two new desktops. The first desktop will be a gaming workstation. The customer requirements include:
Playing the newest games at a high frame rate
Fast game load times
Enough storage to have several games installed at once
High-end audio
No concern about cost
Running the current Windows OS
The second workstation will be a family workstation. The requirements include:
Capability for word processing, videoconferencing, and basic web surfing Minimal cost, as long as it meets the requirements Running the current Windows OS
Answer:
Explanation:
Explanation
NEW QUESTION # 136
A user takes a tablet to a technician because the cursor on it keeps drifting. The technician notices the screen does not appear to be damaged. Which of the following is the most likely cause of the cursor issue?
- A. The screen is physically damaged.
- B. The screen rotation is incorrect.
- C. The touch-pen battery is depleted.
- D. The screen needs to be recalibrated.
Answer: D
Explanation:
The screen needs to be recalibrated. The cursor drift is a common symptom of a misaligned touch screen, which can be caused by physical shocks, temperature changes, or software updates. The screen can be recalibrated using the tablet's settings or a utility program. The screen is not physically damaged, as there is no visible crack or break. The screen rotation is not related to the cursor drift, as it only affects the orientation of the display. The touch-pen battery is not relevant, as the cursor drift occurs even without using the pen.
Reference: [CompTIA A+ Core 1 (220-1101) Certification Study Guide], page 15.
NEW QUESTION # 137
A technician is troubleshooting a phone with limited internet connectivity. The technician has identified the phone on the Wi-Fi network and confirmed that it responds to pings. However, the phone is still unable to open comptia.org. Which of the following should the technician check next?
- A. DNS servers
- B. Certificate store
- C. Jailbreak status
- D. Airplane mode
Answer: A
Explanation:
DNS servers are responsible for translating domain names into IP addresses, which are used to access websites. If the phone has limited internet connectivity, it might be because the DNS servers are not working properly or are blocked by the network. The technician should check the DNS settings on the phone and try to use a different DNS server, such as Google DNS (8.8.8.8 or 8.8.4.4) or Cloudflare DNS (1.1.1.1 or 1.0.0.1).
References
*9 Best Ways to Fix Wi-Fi Showing Limited Connectivity in Android
*7 Easy Ways to Fix Limited Wi-Fi Connectivity on Android
*How to Fix Limited Connectivity Issue in Android Wi-Fi
NEW QUESTION # 138
A technician wants to deploy a .msl package lo a corporate network. The technician needs to verily the application deployment will not affect other legacy applications on the end users' computers. Which of the following would the technician consider the MOST appropriate for this situation?
- A. Virtual sandbox
- B. Application virtualization
- C. Virtual desktop
- D. Cross-platform virtualization
- E. Virtual network
Answer: B
Explanation:
The most appropriate solution for the technician to consider in this situation is Application virtualization. Application virtualization is a technology that allows applications to run in a virtual environment, which isolates them from the underlying operating system and other applications. This ensures that the application deployment will not affect other legacy applications on the end users' computers1.
NEW QUESTION # 139
An administrator wants to replace a fiber-optic cable. Which of the following should the administrator most likely use?
- A. LC
- B. Bayonet Neill Concelman
- C. DB9
- D. RJ45
Answer: A
Explanation:
Explanation
LC stands for Lucent Connector, which is a type of fiber-optic connector that uses a push-pull mechanism to connect and disconnect the cable. LC connectors are small, compact, and widely used for high-density applications, such as data centers, servers, and networks. LC connectors have a 1.25 mm ferrule that can support both single-mode and multimode fibers.
NEW QUESTION # 140
A new HD webcam's image only updates one or two times per second. The specifications indicate the webcam is capable of updating 30 frames per second. Which of the following is MOST likely causing the issue?
- A. The USB 2.0 port has insufficient bandwidth.
- B. The VGA cable does not support a digital signal.
- C. The connection should - instead of STP.
- D. The Thunderbolt connector is not compatible.
Answer: A
Explanation:
Explanation
The USB 2.0 port has insufficient bandwidth to support a high-definition webcam that can update 30 frames per second. USB 2.0 has a maximum theoretical bandwidth of 480 Mbps, which may not be enough for HD video streaming. The user should try using a USB 3.0 port or a Thunderbolt connector, which have higher bandwidths and can support HD webcams. The Thunderbolt connector is compatible with USB devices, so it is not the cause of the issue. The VGA cable and the STP cable are not related to the webcam, as they are used for video output and network connection respectively.
NEW QUESTION # 141
A user is researching hard drives to upgrade a PC and has decided to purchase a NVMe drive. Which of the following Should the user confirm are available on the PC before making the purchase? (Select TWO).
- A. M.2
- B. SAS
- C. SCSI
- D. PCIe
- E. DRAM
- F. SATA
Answer: A,D
Explanation:
Explanation
NVMe (Non-Volatile Memory Express) drives are high-speed solid-state drives that utilize the PCIe (Peripheral Component Interconnect Express) interface to connect to the motherboard. Before purchasing an NVMe drive, the user should confirm that the PC has an available M.2 slot for the drive and that the PC has a PCIe interface for the M.2 slot.
SATA (Serial ATA) is an older interface for hard drives and is not compatible with NVMe drives. SAS (Serial Attached SCSI) is a newer interface for hard drives and is typically used for enterprise-level storage systems.
SCSI (Small Computer System Interface) is a parallel interface for hard drives that is primarily used in high-end workstations and servers. DRAM (Dynamic Random Access Memory) is a type of memory commonly used in computers, but it is not relevant to the storage of data on a hard drive.
NEW QUESTION # 142
An office manager reports that a printer is experiencing performance issues. Printouts are smudging when they are handled, and. recently, whenever the manager tries to print oversized documents, the paper jams before anything is printed on it.
Answer:
Explanation:
Explanation
A picture containing text, electronics, printer Description automatically generated
NEW QUESTION # 143
A technician is troubleshooting a user's laptop that randomly turns off. The technician disassembles the laptop and notices that various pieces of small sticker paper within the device have changed color from red to blue. Which of the following is the most likely cause of the laptop's issues?
- A. Broken screen
- B. Overheating
- C. Swollen battery
- D. Liquid damage
Answer: D
Explanation:
One of the possible causes of a laptop randomly turning off is liquid damage, which can cause short circuits, corrosion, and overheating of the internal components. Liquid damage can be hard to detect, especially if the laptop has been dried or cleaned after the spill. However, one of the indicators of liquid damage is the presence of small sticker paper within the device that changes color from red to blue.
These stickers are called liquid contact indicators (LCIs), and they are designed to show if a device has been exposed to water or other liquids. LCIs are usually red when dry, but they turn blue or purple when wet. LCIs are often placed near the ports, battery, keyboard, and motherboard of laptops and other electronic devices. LCIs can help technicians diagnose liquid damage and determine if the device is covered by warranty or not.
NEW QUESTION # 144
An IT technician is inspecting the internal components of a desktop computer to assess a suspected power issue with the motherboard. Which of the following connectors should the IT technician inspect further?
- A. Molex
- B. Straight tip
- C. DB9
- D. RJ45
Answer: A
Explanation:
The connector that the IT technician should inspect further is Molex. The Molex connector is used to provide power to the motherboard and other components in the computer. If there is a suspected power issue with the motherboard, the IT technician should inspect the Molex connector to ensure that it is properly connected and providing power to the motherboard.
NEW QUESTION # 145
A technician is troubleshooting a laptop that has a blank LCD panel. The technician shines a flashlight into the LCD and sees a faint image. Which of the following BEST describes the issue?
- A. Defective inverter
- B. Incomplete video driver
- C. Incorrect input source
- D. Burned-out bulb
Answer: A
Explanation:
Explanation
an inverter is a device that converts DC power from the laptop's battery or AC adapter to AC power for the backlight of the LCD panel. If the inverter is defective, the backlight will not work and the LCD panel will appear blank or very dim. The user can still see a faint image if they shine a flashlight into the LCD because the LCD itself is still working.
NEW QUESTION # 146
A network technician needs to provide better wireless connectivity throughout a SOHO location.
Which of the following should the technician deploy to best improve connectivity?
- A. PoE hub
- B. Wi-Fi router
- C. Managed switch
- D. Access point
Answer: D
Explanation:
An access point (Option A) is specifically designed to enhance wireless connectivity. It provides a dedicated point for wireless devices to connect to the network and can improve coverage and performance.
NEW QUESTION # 147
Which of the following technologies can allow multiple networks to traverse a switch?
- A. VLAN
- B. DHCP
- C. VRRP
- D. VPN
Answer: A
Explanation:
The technology that allows multiple networks to traverse a switch is VLAN (Virtual Local Area Network) which is a logical grouping of devices on the same network regardless of their physical location12.
Virtual Local Area Network (VLAN) technology can allow multiple networks to traverse a switch. A VLAN is a logical network created within a physical network that can separate traffic and allow multiple networks to coexist on the same physical network infrastructure. VRRP (Virtual Router Redundancy Protocol), VPN (Virtual Private Network), and DHCP (Dynamic Host Configuration Protocol) do not allow multiple networks to traverse a switch. Reference: CompTIA A+ Certification Exam: Core 1 - Objective 3.2
NEW QUESTION # 148
A user receives the following error when trying to reboot a computer:
Which of the following is the MOST likely cause of this error message?
- A. Corrupted bootloader
- B. Incorrect storage device driver
- C. Failed hard drive
- D. Faulty RAID controller
Answer: C
Explanation:
Explanation
The error message "Reboot and Select Proper Boot Device" indicates that the computer cannot find the boot device that contains the operating system12. This can happen if the hard drive that stores the operating system is damaged or failed, and the BIOS cannot detect it or read from it23. A failed hard drive can also cause other symptoms such as clicking noises, corrupted files, or slow performance4.
NEW QUESTION # 149
A client wants to connect an external keyboard to an Android tablet. Which of the following connection types are appropriate for this task? (Select TWO).
- A. USB-C
- B. Lightning
- C. DVI
- D. Infrared
- E. PS/2
- F. Bluetooth
Answer: A,C
NEW QUESTION # 150
An internet service provider is delivering service through a copper medium with shared customer bandwidth. Which of the following services has most likely been installed?
- A. DSL
- B. NIC
- C. Fiber
- D. Cable
Answer: D
Explanation:
Cable internet service is delivered through coaxial cables that are shared among multiple customers in a neighborhood. This means that the bandwidth may vary depending on the network congestion. Fiber, NIC, and DSL are not copper-based or shared mediums.
NEW QUESTION # 151
While using a popular videoconferencing program, the user selects a webcam, but the software is unable to open the webcam. The webcam was working the previous day. Which of the following should be done to address this issue?
- A. Close other video software and retry.
- B. Switch the video from the webcam to "conference" mode.
- C. Reseat or replace the webcam.
- D. Adjust the conference software to a compatible resolution.
Answer: A
Explanation:
One possible solution to address the issue of a webcam not working with a videoconferencing program is to close other video software and retry (option A). It's possible that another video software program is currently using the webcam and preventing the videoconferencing program from accessing it. By closing any other video software that may be running on the computer, the user can ensure that the webcam is available for use by the videoconferencing program.
NEW QUESTION # 152
A technician is installing new power supplies for the application engineering team's workstations. The management team has not yet made a decision about installing dual graphics cards, but they want to proceed with the project anyway. Which of the following power supplies would provide the BEST solution?
- A. 500W redundant power supply
- B. 2000VA uninterruptible power supply
- C. 220VAC 9000J surge protector
- D. 1000W 24-pin modular power supply
Answer: D
Explanation:
A 1000W 24-pin modular power supply provides enough power to support a dual graphics card configuration, which requires a significant amount of power. A modular power supply allows the technician to connect only the cables that are necessary for the current configuration, reducing cable clutter and improving airflow inside the case. This makes it easier to install and maintain the power supply.
NEW QUESTION # 153
A technician is troubleshooting an issue with a thin client. The thin client powers on successfully, but the operating system never loads. Which of the following will MOST likely fix the issue?
- A. Replace the network cable.
- B. Reinstall the operating system
- C. Repair the bootloader.
- D. Replace the hard drive.
Answer: A
NEW QUESTION # 154
A technician has noticed that a monitored server is receiving a disk failure notice during startup. When the technician clicks to continue, the machine still seems to startup into Windows but at a much slower speed. The technician looks at the BIOS information and sees the machine utilizes a RAID 5 configuration. Which of the following does the technician MOST likely need to perform?
- A. Restart the system.
- B. Rebuild The RAID.
- C. Replace the failed drivers.
- D. Reinstall the HDD drivers.
Answer: B
Explanation:
The disk failure notice during startup indicates that one or more disks in the RAID array have failed. The machine still seems to startup into Windows but at a much slower speed because the RAID 5 configuration can tolerate one disk failure and still operate, but with reduced performance and reliability. The technician most likely needs to rebuild the RAID, which means replacing the failed disk(s) and restoring the data from the parity information. Reinstalling the HDD drivers will not fix the disk failure. Replacing the failed drivers is not a valid option, as drivers are software, not hardware. Restarting the system will not fix the disk failure either. References: https://www.comptia.org/blog/what-is-raid-0-1-5-6-10
NEW QUESTION # 155
Which of the following special function keys is MOST likely to be used when configuring a laptop for a presentation?
- A. Media options
- B. Screen orientation
- C. Screen brightness
- D. External display
Answer: D
NEW QUESTION # 156
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CompTIA A+ Certification Exam: Core 1 (220-1101) is a certification exam that is designed to validate the knowledge and skills of IT professionals in the field of computer hardware and software. 220-1101 exam is one of the two exams required to earn the CompTIA A+ certification, which is a globally recognized credential that is highly valued by employers in the IT industry. 220-1101 exam is intended for individuals who have a basic understanding of computer hardware and software and want to enhance their knowledge and skills to advance their careers in the IT industry.
Candidates who pass the CompTIA A+ Certification Exam: Core 1 will have demonstrated their ability to install, configure, and maintain hardware and software, troubleshoot common issues, and understand basic networking concepts. They will also have a solid foundation in cybersecurity and be able to identify and prevent security threats.
CompTIA 220-1101 exam consists of 90 multiple-choice and performance-based questions that must be completed within 90 minutes. 220-1101 exam is computer-based and is administered at Pearson VUE testing centers worldwide. 220-1101 exam is designed to assess the candidate's ability to install, configure, and maintain hardware and software, troubleshoot common issues, and perform basic networking tasks.
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