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Zorluk: OrtaMobile Device Ports and Accessories

A field technician connects a high-speed external storage enclosure requiring Thunderbolt protocol capabilities to a newly deployed tablet using a verified high-speed USB Type-C cable. Although the enclosure powers on and mounts successfully, data transfers are capped at legacy USB speeds (480 Mbps480\text{ Mbps}). Which of the following best explains why the connection fails to achieve Thunderbolt transfer rates?

  1. The tablet's physical USB Type-C port is internally wired only for USB 2.0 signals and lacks host controller hardware support for Thunderbolt.Cevap
  2. B
    Because all physical USB Type-C ports inherently support Thunderbolt protocols, the reduced speed indicates an active Mobile Device Management (MDM) bandwidth throttle policy.
  3. C
    The tablet requires a cellular SIM card provisioned with a matching IMSI to authenticate high-speed external bus operations.
  4. D
    The throughput drop occurs because the tablet is attempting to transfer data using an IMAP synchronization protocol instead of direct bus access.

Cevap

The tablet's physical USB Type-C port is internally wired only for USB 2.0 signals and lacks host controller hardware support for Thunderbolt.
The USB Type-C connector is a universal physical form factor. However, the presence of a USB Type-C port does not mean the host device includes a Thunderbolt controller or high-speed data lines. If the tablet's chipset only implements a USB 2.0 host controller, high-speed Thunderbolt peripherals will fall back to USB 2.0 speeds (480 Mbps480\text{ Mbps}).

Adım Adım Çözüm

1
Analyze physical connector vs protocol capabilities.
Identify that USB Type-C is a physical form factor, whereas USB 2.0, USB 3.2, DisplayPort Alt Mode, and Thunderbolt 3/4 are underlying protocol standards.
Having a USB Type-C port on a mobile device does not automatically imply high-speed Thunderbolt controller support.
2
Evaluate the observed throughput symptom.
Data transfers are limited to 480 Mbps480\text{ Mbps}, which is the theoretical maximum bandwidth for USB 2.0.
When a high-speed peripheral is connected to a port that only supports USB 2.0 host signals, the connection falls back to the lowest common protocol speed supported by the host port.

Anahtar Kavram

USB Type-C Connector vs Protocol Capabilities
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Konular

Mobile Device Ports and Accessories

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