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Difficulty: MediumNetwork and Peripheral Cables and Connectors

A field technician is configuring peripheral devices and out-of-band management connections for a desktop workstation. Which of the following statements accurately describe the physical characteristics and capability standards of the cables and connectors being installed? (Select TWO.)

  1. Thunderbolt 4 utilizes the physical USB Type-C connector form factor and supports throughput speeds up to 40 Gbps along with PCI Express signal passthrough.Answer
  2. B
    Any standard USB Type-C cable will automatically support 40 Gbps data transfers because bandwidth is governed strictly by the physical shape of the port.
  3. A DB-9 connector is commonly used with an RS-232 serial cable interface to connect directly to management console ports on enterprise networking hardware.Answer
  4. D
    A standard twisted-pair Ethernet patch cable must be wired with T568A on one end and T568B on the opposite end to connect a computer to a network switch port.

Answer

The correct statements are that Thunderbolt 4 uses the USB Type-C connector form factor to support 40 Gbps bandwidth with PCIe passthrough, and DB-9 connectors with RS-232 serial cables connect to legacy network console ports.
Thunderbolt 4 relies on the physical USB Type-C connector and natively carries PCIe and video signals at speeds up to 40 Gbps. Additionally, DB-9 connectors with RS-232 serial cables remain a standard legacy interface for serial console access on enterprise switches and routers.

Step-by-Step Solution

1
Analyze high-speed peripheral standards utilizing the USB Type-C physical connector.
Confirm that Thunderbolt 4 shares the physical USB Type-C form factor and specifies a minimum bandwidth of 40 Gbps along with PCIe and DisplayPort protocol encapsulation.
It is essential to distinguish between physical connector form factors (USB Type-C) and the underlying protocol capabilities (Thunderbolt 4 vs USB 2.0/3.2).
2
Evaluate out-of-band management connectors for networking devices.
Identify the 9-pin DB-9 connector operating over an RS-232 serial standard as the classic physical interface for serial console management.
Field technicians frequently encounter DB-9 serial connectors when connecting terminal emulators to switches and routers for initial setup.
3
Identify misattributions regarding cable pinouts and universal USB capabilities.
Reject the assertion that all USB-C cables provide 40 Gbps throughput and the assertion that T568A-to-T568B wiring produces a straight-through patch cable.
Cable construction and pin configurations govern function; mixing T568A and T568B creates a crossover cable, and basic USB-C cables lack the wiring required for high-speed protocol capabilities.

Key Concept

Distinguishing physical cable connector form factors from underlying signal protocols and wiring pinout standards.
Estimated Time:1m 30s
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Topics

Network and Peripheral Cables and Connectors

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