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comptia a+ > Section 2: Cable Types > Flashcards

Section 2: Cable Types Flashcards

1
Q
  1. Scenario: You need to connect a new high-definition monitor to your workstation. Which cable would be the best choice for optimal video quality?
    * A. VGA
    * B. DVI
    * C. HDMI
    * D. USB 3.0
A

Answer: C. HDMI Explanation: HDMI is commonly used for high-definition video and audio connections, providing better quality than VGA or DVI.

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2
Q
  1. Scenario: Your desktop computer’s internet connection is unstable. Upon inspection, you notice the cable connecting it to the router is frayed. Which type of cable should you replace it with to ensure a stable connection?
    * A. USB
    * B. HDMI
    * C. Ethernet
    * D. VGA
A

Answer: C. Ethernet Explanation: Ethernet cables are used for wired network connections, providing a stable and reliable internet connection.

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3
Q
  1. Scenario: A user reports that their external hard drive is not being recognized by their laptop. You check the connections and see that the drive is using an old USB 2.0 cable. What is a possible solution to improve connectivity and speed?
    * A. Replace the cable with a USB 1.0 cable
    * B. Replace the cable with a USB 3.0 cable
    * C. Use a VGA cable instead
    * D. Use a serial cable instead
A

Answer: B. Replace the cable with a USB 3.0 cable Explanation: USB 3.0 cables provide faster data transfer rates and better connectivity than USB 2.0 cables.

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4
Q
  1. Scenario: You are setting up a new computer system and need to connect an external SSD (Solid State Drive) for fast data access. Which type of cable should you use for the best performance?
    * A. SATA
    * B. USB 2.0
    * C. USB 3.1
    * D. VGA
A

Answer: C. USB 3.1 Explanation: USB 3.1 cables provide faster data transfer rates, which are ideal for external SSDs.

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5
Q
  1. Scenario: A client needs to connect their old printer, which uses a parallel port, to a modern computer that lacks parallel ports. What solution should you recommend?
    * A. Use a serial to parallel adapter
    * B. Use a USB to parallel adapter
    * C. Use a VGA to parallel adapter
    * D. Use an HDMI to parallel adapter
A

Answer: B. Use a USB to parallel adapter Explanation: A USB to parallel adapter allows the connection of older parallel devices to modern USB ports.

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6
Q
  1. What does USB stand for?
    * A. Universal Serial Bus
    * B. Uniform Serial Bus
    * C. Universal Signal Bus
    * D. Unified Serial Bus
A

Answer: A. Universal Serial Bus Explanation: USB stands for Universal Serial Bus, a standard for connectors, cables, and communication protocols.

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7
Q
  1. Which cable type is specifically designed for high-speed data transfer and connecting storage devices internally within a computer?
    * A. HDMI
    * B. VGA
    * C. SATA
    * D. USB
A

Answer: C. SATA Explanation: SATA (Serial ATA) cables are used for connecting internal storage devices like hard drives and SSDs.

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8
Q
  1. What is the primary purpose of a DVI (Digital Visual Interface) cable?
    * A. To transfer audio signals
    * B. To connect network devices
    * C. To provide video output
    * D. To power peripherals
A

Answer: C. To provide video output Explanation: DVI (Digital Visual Interface) cables are used to provide video output from a computer to a monitor.

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9
Q
  1. What does the term “bit” refer to in computing?
    * A. A unit of power
    * B. A binary digit
    * C. A storage device
    * D. A type of connector
A

Answer: B. A binary digit Explanation: A bit is the smallest unit of data in computing, representing a binary digit, either 0 or 1.

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10
Q
  1. How many bits are in a byte?
    * A. 2
    * B. 4
    * C. 8
    * D. 16
A

Answer: C. 8 Explanation: A byte consists of 8 bits, which is a standard unit of data in computing.

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11
Q
  1. What is the first step you should take when preparing to replace an internal hard drive in a desktop computer?
    * A. Disconnect the power cable
    * B. Remove the display
    * C. Back up all data
    * D. Format the new hard drive
A

Answer: C. Back up all data Explanation: The first step is to back up all data to prevent data loss during the replacement process.

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12
Q
  1. How do you properly connect an SATA cable to an internal hard drive?
    * A. Connect the SATA cable to the USB port
    * B. Align and insert the SATA data and power connectors to the corresponding ports on the hard drive
    * C. Connect the SATA cable to the VGA port
    * D. Connect the SATA cable to the parallel port
A

Answer: B. Align and insert the SATA data and power connectors to the corresponding ports on the hard drive Explanation: Proper alignment and connection of SATA data and power connectors are crucial for the hard drive’s functionality.

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13
Q
  1. When installing a USB 3.0 device, which port should you use to ensure optimal performance?
    * A. USB 1.0 port
    * B. USB 2.0 port
    * C. USB 3.0 port
    * D. Serial port
A

Answer: C. USB 3.0 port Explanation: Using a USB 3.0 port ensures optimal performance for USB 3.0 devices due to higher data transfer rates.

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14
Q
  1. What should you verify before connecting a USB cable to a device and computer?
    * A. The cable is color-coded
    * B. The connectors are compatible with the ports
    * C. The cable length is sufficient
    * D. The cable is coiled properly
A

Answer: B. The connectors are compatible with the ports Explanation: Ensuring the connectors are compatible with the ports prevents damage and ensures proper functionality.

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15
Q
  1. How do you secure a newly installed internal hard drive in its bay?
    * A. Leave it loosely connected
    * B. Use tape to hold it in place
    * C. Use screws to secure it in the mounting brackets
    * D. Connect it directly to the power supply
A

Answer: C. Use screws to secure it in the mounting brackets Explanation: Securing the hard drive with screws in the mounting brackets ensures stability and prevents movement during operation.

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16
Q
  1. Scenario: Your client has a new 4K monitor and a gaming laptop with a mini HDMI port. They want to connect the laptop to the monitor to play games at 4K resolution. Which type of cable do you need?
    * A) HDMI Type A to Type A
    * B) HDMI Type C to Type A
    * C) DisplayPort to HDMI
    * D) DVI-D to HDMI
A

Answer: B) HDMI Type C to Type A Explanation: The mini HDMI port is a Type C connector. To connect it to a standard HDMI Type A port on the 4K monitor, you need an HDMI Type C to Type A cable.

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17
Q
  1. Scenario: You’re troubleshooting a video issue where a customer’s display shows only a black screen when connected via HDMI. However, it works fine with VGA. What could be the issue?
    * A) The HDMI cable is damaged.
    * B) The VGA port is defective.
    * C) The monitor is incompatible with HDMI.
    * D) The display settings are incorrect.
A

Answer: A) The HDMI cable is damaged. Explanation: Since the display works fine with VGA, the monitor is likely functioning correctly. A damaged HDMI cable is a common cause for no video signal.

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18
Q
  1. Scenario: A user needs to connect their laptop to an old projector that only has VGA input. The laptop only has HDMI output. What do they need?
    * A) HDMI to DVI adapter
    * B) HDMI to VGA adapter
    * C) HDMI to DisplayPort adapter
    * D) VGA to DisplayPort adapter
A

Answer: B) HDMI to VGA adapter Explanation: Since the projector only has VGA input and the laptop has HDMI output, an HDMI to VGA adapter is required to connect the two.

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19
Q
  1. Scenario: A customer complains that their new monitor connected via DisplayPort randomly loses signal. The cable is securely connected. What could be the issue?
    * A) The monitor does not support DisplayPort.
    * B) The DisplayPort cable is faulty.
    * C) The graphics driver is outdated.
    * D) The DisplayPort cable is too long.
A

Answer: C) The graphics driver is outdated. Explanation: Outdated graphics drivers can cause connectivity issues. Updating the drivers is a common solution for intermittent signal loss.

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20
Q
  1. Scenario: You need to set up a dual-monitor setup for a workstation that has one HDMI and one DisplayPort output. The monitors have HDMI and DisplayPort inputs, respectively. What cables will you use?
    * A) Two HDMI cables
    * B) Two DisplayPort cables
    * C) One HDMI and one DisplayPort cable
    * D) One DVI and one HDMI cable
A

Answer: C) One HDMI and one DisplayPort cable Explanation: Since the workstation has one HDMI and one DisplayPort output and the monitors have corresponding inputs, you need one HDMI cable and one DisplayPort cable.

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21
Q
  1. Definition: What does HDMI stand for?
    * A) High Definition Multimedia Interface
    * B) High Digital Multimedia Interface
    * C) High Definition Media Interface
    * D) High Digital Media Interface
A

Answer: A) High Definition Multimedia Interface Explanation: HDMI stands for High Definition Multimedia Interface, which is used for transmitting video and audio data.

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22
Q
  1. Definition: Which HDMI connector type is the smallest?
    * A) Type A
    * B) Type B
    * C) Type C
    * D) Type D
A

Answer: D) Type D Explanation: Type D, also known as Micro HDMI, is the smallest HDMI connector type.

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23
Q
  1. Definition: What is HDCP?
    * A) High Definition Content Protection
    * B) High Digital Content Protection
    * C) High Definition Copy Protection
    * D) High Digital Copy Protection
A

Answer: A) High Definition Content Protection Explanation: HDCP stands for High Definition Content Protection, a digital copy protection protocol used with HDMI.

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24
Q
  1. Definition: Which of the following is a proprietary interface often used for video and audio transmission?
    * A) HDMI
    * B) DisplayPort
    * C) DVI
    * D) VGA
A

Answer: A) HDMI Explanation: HDMI is a proprietary interface widely used for transmitting video and audio data.

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25
Q
  1. Definition: What organization developed DisplayPort?
    * A) IEEE
    * B) VESA
    * C) ANSI
    * D) ITU
A

Answer: B) VESA Explanation: VESA (Video Electronics Standards Association) developed DisplayPort to be a standard interface for video and audio transmission.

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26
Q
  1. Process: When connecting a laptop with a mini DisplayPort to a monitor with HDMI, which cable or adapter should you use?
    * A) Mini DisplayPort to DisplayPort cable
    * B) Mini DisplayPort to HDMI cable
    * C) HDMI to VGA adapter
    * D) DVI to HDMI adapter
A

Answer: B) Mini DisplayPort to HDMI cable Explanation: To connect a mini DisplayPort to an HDMI input, you need a mini DisplayPort to HDMI cable.

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27
Q
  1. Process: How can you tell if a port is Thunderbolt 3 compatible on a computer?
    * A) It is labeled with a “D”.
    * B) It is labeled with a “DP”.
    * C) It is labeled with a lightning bolt symbol.
    * D) It is labeled with “HD”.
A

Answer: C) It is labeled with a lightning bolt symbol. Explanation: Thunderbolt 3 ports are identified by a lightning bolt symbol next to the port.

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28
Q
  1. Process: What must you ensure when connecting a device to a display using HDCP?
    * A) The cable is no longer than 1 meter.
    * B) Both the device and display are HDCP compliant.
    * C) The cable is a Category 1 HDMI cable.
    * D) The device supports analog signals.
A

Answer: B) Both the device and display are HDCP compliant. Explanation: For HDCP to function, both the source device and the display must support HDCP.

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29
Q
  1. Process: Which cable would you use to connect an older analog monitor to a modern computer?
    * A) HDMI
    * B) DisplayPort
    * C) VGA
    * D) DVI-D
A

Answer: C) VGA Explanation: VGA (Video Graphics Array) is used for connecting older analog monitors to computers.

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30
Q
  1. Process: If you need to connect a Thunderbolt 3 device to a USB-C port, what should you verify first?
    * A) The USB-C port supports DisplayPort.
    * B) The USB-C port supports Thunderbolt 3.
    * C) The USB-C port is labeled with “HD”.
    * D) The USB-C port supports HDMI.
A

Answer: B) The USB-C port supports Thunderbolt 3. Explanation: To connect a Thunderbolt 3 device to a USB-C port, you must verify that the USB-C port supports Thunderbolt 3, as not all USB-C ports have this capability.

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31
Q
  1. Scenario: HDMI Usage You have a high-end gaming setup with a monitor that supports 4K resolution at 120Hz. Which HDMI cable should you use to ensure you get the best performance?
    * A) Standard Category 1 HDMI Cable
    * B) High-Speed Category 2 HDMI Cable
    * C) Premium High-Speed HDMI Cable
    * D) Ultra High-Speed HDMI Cable
A

Answer: D) Ultra High-Speed HDMI Cable Explanation: The Ultra High-Speed HDMI Cable supports the highest data transfer rates and is designed for 4K and 8K resolutions at higher refresh rates, such as 120Hz.

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32
Q
  1. Scenario: DisplayPort vs. HDMI You are setting up a professional video editing workstation. You have the option to use either HDMI or DisplayPort for your 4K monitor. Which one should you choose and why?
    * A) HDMI, because it is more widely used.
    * B) DisplayPort, because it supports higher resolutions and refresh rates.
    * C) HDMI, because it supports HDCP.
    * D) DisplayPort, because it has a locking mechanism for a secure connection.
A

Answer: B) DisplayPort, because it supports higher resolutions and refresh rates. Explanation: DisplayPort is often preferred for professional setups due to its support for higher resolutions and refresh rates, making it ideal for video editing and other high-demand applications.

33
Q
  1. Scenario: Thunderbolt Connection You have a new MacBook Pro with Thunderbolt 4 ports and want to connect it to an older Thunderbolt 2 device. What type of cable or adapter will you need?
    * A) USB-C to USB-C cable
    * B) Thunderbolt 4 to Thunderbolt 3 cable
    * C) Thunderbolt 3 to Thunderbolt 2 adapter
    * D) USB-C to Thunderbolt 2 adapter
A

Answer: C) Thunderbolt 3 to Thunderbolt 2 adapter Explanation: A Thunderbolt 3 to Thunderbolt 2 adapter is needed to connect newer Thunderbolt 4 ports (which are compatible with Thunderbolt 3) to older Thunderbolt 2 devices.

34
Q
  1. Scenario: Legacy Hardware You are working on a legacy server from the early 2000s that uses SCSI connections. What is the maximum number of devices you can daisy chain if it uses Wide SCSI?
    * A) 7 devices
    * B) 15 devices
    * C) 127 devices
    * D) 68 devices
A

Answer: B) 15 devices Explanation: Wide SCSI supports up to 15 devices daisy-chained together.

35
Q
  1. Scenario: Storage Device Connection You need to connect a new SSD to your desktop computer. Which type of SATA cable should you use to achieve the highest data transfer speed?
    * A) SATA Revision 1
    * B) SATA Revision 2
    * C) SATA Revision 3
    * D) eSATA
A

Answer: C) SATA Revision 3 Explanation: SATA Revision 3 supports the highest data transfer speed of 6 Gbps, making it the best choice for connecting an SSD.

36
Q
  1. Definition: HDMI What does HDMI stand for?
    * A) High Definition Media Interface
    * B) High Definition Multimedia Interface
    * C) High Data Multimedia Interface
    * D) High Digital Media Interface
A

Answer: B) High Definition Multimedia Interface Explanation: HDMI stands for High Definition Multimedia Interface, which is a standard for transmitting audio and video data.

37
Q
  1. Definition: HDCP What is the primary purpose of HDCP in HDMI cables?
    * A) To increase data transfer speeds
    * B) To provide better picture quality
    * C) To protect digital content from unauthorized copying
    * D) To enhance audio quality
A

Answer: C) To protect digital content from unauthorized copying Explanation: HDCP (High-bandwidth Digital Content Protection) ensures that the connected devices are authorized to receive protected content, preventing unauthorized copying.

38
Q
  1. Definition: SATA What does SATA stand for?
    * A) Serial Advanced Technology Attachment
    * B) Standard Advanced Technology Attachment
    * C) Serial Automated Transfer Attachment
    * D) Standard Automated Technology Attachment
A

Answer: A) Serial Advanced Technology Attachment Explanation: SATA stands for Serial Advanced Technology Attachment, a standard for connecting storage devices to a motherboard.

39
Q
  1. Definition: Thunderbolt Which of the following describes Thunderbolt technology?
    * A) A display interface with speeds up to 6 Gbps
    * B) A proprietary data and display interface developed by Intel and Apple
    * C) An audio interface used in professional sound equipment
    * D) A wireless communication protocol for high-speed data transfer
A

Answer: B) A proprietary data and display interface developed by Intel and Apple Explanation: Thunderbolt is a high-speed data and display interface developed by Intel and Apple.

40
Q
  1. Definition: DisplayPort Which organization developed DisplayPort?
    * A) HDMI Licensing, LLC
    * B) USB Implementers Forum
    * C) Video Electronics Standards Association (VESA)
    * D) Institute of Electrical and Electronics Engineers (IEEE)
A

Answer: C) Video Electronics Standards Association (VESA) Explanation: DisplayPort was developed by the Video Electronics Standards Association (VESA).

41
Q
  1. Process: Connecting a SATA Device What are the two types of cables needed to connect a SATA hard drive to a desktop motherboard?
    * A) USB and power cable
    * B) Data cable and power cable
    * C) Display cable and data cable
    * D) Ethernet cable and power cable
A

Answer: B) Data cable and power cable Explanation: A SATA hard drive requires a SATA data cable for data transfer and a SATA power cable for power.

42
Q
  1. Process: Identifying HDMI Connectors If you need to connect a video camera to a monitor using HDMI, but the camera has a mini HDMI port, what type of cable will you need?
    * A) Type A to Type C HDMI cable
    * B) Type A to Type D HDMI cable
    * C) Type C to Type A HDMI cable
    * D) Type D to Type A HDMI cable
A

Answer: C) Type C to Type A HDMI cable Explanation: Mini HDMI (Type C) to full-size HDMI (Type A) cable is needed to connect a video camera with a mini HDMI port to a monitor.

43
Q
  1. Process: Using Thunderbolt 3 and USB-C You have a device that supports Thunderbolt 3 and another device that supports USB-C. Which of the following statements is true?
    * A) USB-C devices cannot be connected to Thunderbolt 3 ports.
    * B) Thunderbolt 3 devices cannot be connected to USB-C ports.
    * C) USB-C devices can be connected to Thunderbolt 3 ports and will work.
    * D) Thunderbolt 3 devices can be connected to any USB-C port and will work.
A

Answer: C) USB-C devices can be connected to Thunderbolt 3 ports and will work. Explanation: Thunderbolt 3 ports support USB-C devices, but not all USB-C ports support Thunderbolt 3 devices.

44
Q
  1. Process: Connecting IDE Devices When connecting an older IDE hard drive, what additional cable besides the 40-pin ribbon cable is needed?
    * A) SATA data cable
    * B) Molex power connector
    * C) USB power cable
    * D) SCSI data cable
A

Answer: B) Molex power connector Explanation: An older IDE hard drive requires a Molex power connector in addition to the 40-pin ribbon cable.

45
Q
  1. Process: Using eSATA What is the primary difference between SATA and eSATA?
    * A) eSATA is used internally, SATA externally
    * B) SATA supports higher speeds than eSATA
    * C) eSATA is used externally, SATA internally
    * D) eSATA and SATA use different types of connectors
A

Answer: C) eSATA is used externally, SATA internally Explanation: eSATA is designed for external connections, whereas SATA is typically used for internal connections within a computer case.

46
Q
  1. Scenario: You are setting up a new workstation and need to connect a webcam, a keyboard, and an external hard drive to a single USB port using a USB hub. Which type of USB should you prefer to ensure maximum data transfer speed?
    * A) USB 1.0
    * B) USB 2.0
    * C) USB 3.0
    * D) USB 3.1 Gen 2
A

Answer: D) USB 3.1 Gen 2 Explanation: USB 3.1 Gen 2 supports data transfer speeds up to 10 Gbps, ensuring the fastest possible connection for multiple devices.

47
Q
  1. Scenario: You are tasked with setting up an older desktop that only has DB9 serial ports available. Which of the following devices is most likely to use this type of connection?
    * A) Modern smartphone
    * B) External modem
    * C) USB flash drive
    * D) Bluetooth speaker
A

Answer: B) External modem Explanation: DB9 serial ports are typically used for older devices such as external modems and some older peripherals.

48
Q
  1. Scenario: A client complains that their new external hard drive is not achieving the expected data transfer rates when connected to their USB 3.0 port. What could be the most likely cause?
    * A) The hard drive is defective
    * B) The USB port is faulty
    * C) The cable is too long
    * D) The hard drive is not compatible with USB 3.0
A

Answer: C) The cable is too long Explanation: Longer USB cables can cause signal deterioration, reducing the effective data transfer rate.

49
Q
  1. Scenario: You need to connect a new high-speed external storage device to your laptop. The device uses a USB Type-C connector. Which USB version should you ensure your laptop supports for optimal performance?
    * A) USB 2.0
    * B) USB 3.0
    * C) USB 3.1 Gen 1
    * D) USB 3.1 Gen 2x2
A

Answer: D) USB 3.1 Gen 2x2 Explanation: USB 3.1 Gen 2x2 supports data transfer speeds up to 20 Gbps, which is optimal for high-speed storage devices.

50
Q
  1. Scenario: A user wants to connect multiple peripherals (mouse, keyboard, printer) to their laptop, which has only one available USB port. What device should they use?
    * A) USB extender cable
    * B) USB switch
    * C) USB hub
    * D) USB splitter
A

Answer: C) USB hub Explanation: A USB hub allows multiple devices to connect to a single USB port, enabling the use of multiple peripherals simultaneously.

51
Q
  1. Definition: What does the acronym USB stand for?
    * A) Universal System Bus
    * B) Universal Serial Bus
    * C) Universal Signal Bus
    * D) Universal Synchronous Bus
A

Answer: B) Universal Serial Bus Explanation: USB stands for Universal Serial Bus, a standard for connecting peripheral devices to a computer.

52
Q
  1. Definition: Which USB version introduced the concept of SuperSpeed USB, allowing for data transfer rates up to 5 Gbps?
    * A) USB 1.1
    * B) USB 2.0
    * C) USB 3.0
    * D) USB 3.1 Gen 1
A

Answer: C) USB 3.0 Explanation: USB 3.0 introduced SuperSpeed USB with data transfer rates up to 5 Gbps.

53
Q
  1. Definition: Which connector type allows insertion in either direction, eliminating the need for correct orientation?
    * A) Type A
    * B) Type B
    * C) Type C
    * D) Type D
A

Answer: C) Type C Explanation: The USB Type-C connector is reversible, allowing insertion in either direction.

54
Q
  1. Definition: What is the maximum data transfer rate of USB 1.0?
    * A) 1.5 Mbps
    * B) 12 Mbps
    * C) 480 Mbps
    * D) 5 Gbps
A

Answer: A) 1.5 Mbps Explanation: USB 1.0 has a maximum data transfer rate of 1.5 megabits per second (Mbps).

55
Q
  1. Definition: Which term describes the method of connecting multiple USB devices in sequence to a single USB port?
    * A) Daisy chaining
    * B) Port mirroring
    * C) Serial linking
    * D) Parallel chaining
A

Answer: A) Daisy chaining Explanation: Daisy chaining refers to the method of connecting multiple USB devices in sequence to a single USB port.

56
Q
  1. Process: What is the first step you should take when troubleshooting a USB device that is not recognized by the computer?
    * A) Check the device manager for errors
    * B) Replace the USB cable
    * C) Restart the computer
    * D) Update the USB drivers
A

Answer: A) Check the device manager for errors Explanation: Checking the device manager helps identify if there are any driver issues or conflicts that need to be resolved.

57
Q
  1. Process: When setting up a USB hub, what is an important factor to consider to ensure optimal performance?
    * A) The length of the USB hub cable
    * B) The color of the USB hub
    * C) The number of devices connected to the hub
    * D) The type of power supply used for the hub
A

Answer: C) The number of devices connected to the hub Explanation: The performance can be affected by the number of devices connected, as they share the total available bandwidth.

58
Q
  1. Process: Which process should be followed to safely eject a USB storage device from a computer?
    * A) Unplug the device directly
    * B) Turn off the computer first
    * C) Use the operating system’s eject function
    * D) Close all files and programs
A

Answer: C) Use the operating system’s eject function Explanation: Using the operating system’s eject function ensures that all data is saved and the device can be safely removed without data corruption.

59
Q
  1. Process: What should you verify before connecting a USB 3.0 external hard drive to a computer to ensure compatibility?
    * A) The operating system version
    * B) The USB port type on the computer
    * C) The length of the USB cable
    * D) The color of the external hard drive
A

Answer: B) The USB port type on the computer Explanation: Ensuring the computer has a USB 3.0 port guarantees compatibility and optimal data transfer speeds.

60
Q
  1. Process: During the installation of a USB device, the system prompts for drivers. What is the recommended source for obtaining these drivers?
    * A) A third-party website
    * B) The device manufacturer’s website
    * C) Any online source
    * D) A friend’s recommendation
A

Answer: B) The device manufacturer’s website Explanation: Obtaining drivers from the manufacturer’s website ensures they are legitimate, up-to-date, and compatible with the device.

61
Q

How many values can a single “bit” store?

A) 4
B) 8
C) 1 or 0
D) 16

A

C) 1 or 0

62
Q

What is the size of a “nibble”?

A) 4 bits
B) 8 bits
C) 16 bits
D) 32 bits

A

A) 4 bits

63
Q

How many bits are there in a “byte”?

A) 4
B) 8
C) 16
D) 32

A

B) 8

64
Q

How many bits are in 1 Kilobit (1Kb)?

A) 1024 bits
B) 1000 bits
C) 125 bits
D) 128 bits

A

B) 1000 bits

65
Q

What is the unit used to measure data transfer rate, indicating 1,000 bits per second?

A) Kb
B) KB
C) Kbps
D) GBps

A

C) Kbps

66
Q

How many bytes are in 1000 bits?

A) 125 bytes
B) 100 bytes
C) 250 bytes
D) 500 bytes

A

A) 125 bytes (1000/8 = 125)

67
Q

How many bits are there in a Kilobyte (KB)?

A) 1000 bits
B) 1024 bits
C) 8000 bits
D) 125 bits

A

C) 8000 bits

68
Q

How many bytes are in 1 Gigabyte (GB)?

A) 1,000 bytes
B) 1,024 bytes
C) 1,000,000,000 (billion) bytes
D) 1,073,741,824 bytes

A

C) 1,000,000,000 (billion) bytes

69
Q

What is the size of 1 Terabit (Tb) in bytes?

A) 1,000,000,000 bytes
B) 1,024,000,000 bytes
C) 125,000,000,000 bytes
D) 128,000,000 bytes

A

C) 125,000,000,000 bytes (1.25e+11( or 125 billion) divided by 8)

70
Q

What is the function of a CD Drive in a computer?

A) Display video output
B) Connect headphones and microphones
C) Read and write information using an optical device
D) Provide net access to local area networks

A

C) Read and write information using an optical device

71
Q

How does a Power Button function in a computer system?

A) It connects headphones and microphones
B) It sends electrical signals to the motherboard to turn on the computer
C) It blows hot air out of the CPU to keep it cool
D) It provides video output display to a monitor or TV

A

B) It sends electrical signals to the motherboard to turn on the computer

72
Q

What is the purpose of an Audio Jack in a computer?

A) To provide net access to local area networks
B) To allow connection to a surround sound system
C) To connect other peripherals like a mouse or keyboard
D) To connect headphones and microphones using a 1/8th inch Mini-Jack

A

D) To connect headphones and microphones using a 1/8th inch Mini-Jack

73
Q

Which type of connector is used to connect peripherals like a mouse, keyboard, or printer to a computer?

A) SPDIF Connector
B) HDMI Connector
C) SuperSpeed USB Connector
D) RJ45 Connector

A

C) SuperSpeed USB Connector

74
Q

What is the function of a Cooling Fan in a computer system?

A) It reads and writes information using an optical device
B) It connects to a monitor or TV for video output display
C) It provides net access to local area networks
D) It blows hot air out of the CPU, motherboard, and case to keep components cool

A

D) It blows hot air out of the CPU, motherboard, and case to keep components cool

75
Q

What is the purpose of an HDMI Connector in a computer?

A) To provide net access to local area networks
B) To connect headphones and microphones
C) To connect a monitor, TV, or another device for video output display
D) To connect to a surround sound system

A

C) To connect a monitor, TV, or another device for video output display

76
Q

Which connector provides net access to local area networks over a wired connection?

A) USB 2.0
B) HDMI Connector
C) SPDIF Connector
D) RJ45 Connector

A

D) RJ45 Connector

77
Q

What type of connector allows high-quality audio to a surround sound system?

A) SuperSpeed USB Connector
B) Audio Jack
C) Cooling Fan
D) SPDIF Connector

A

D) SPDIF (Sony/Philips Digital Interface) Connector

78
Q

Which USB speeds are suitable for a microphone, a mouse, or a keyboard?

A) USB 1.0
B) USB 2.0
C) USB 3.0
D) USB 4.0

A

B) USB 2.0

79
Q

What is the purpose of a Kensington Lock in a computer setup?

A) To connect headphones and microphones
B) To provide net access to local area networks
C) To ensure the computer tower is not stolen by securing it to a desk
D) To connect to a monitor or TV for video output display

A

C) To ensure the computer tower is not stolen by securing it to a desk

comptia a+ (7 decks)

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