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Difficulty: MediumNetwork and Peripheral Cables and Connectors

A field technician is auditing cabling specifications and peripheral interface standards in an enterprise environment. Match each cabling standard or connector type on the left with its defining technical capability or physical specification on the right.

  • Category 6a (Cat 6a) UTPSupports 10 Gbps Ethernet throughput across full 100-meter channel lengths
  • Thunderbolt 4Provides 40 Gbps bidirectional throughput and mandates dual 4K video signal support
  • Single-mode Fiber (SMF)Features a narrow 8.3–10 micron core designed for long-distance laser transmission
  • USB 3.2 Gen 2x1Delivers up to 10 Gbps transfer rates across legacy Type-A or modern Type-C physical ports

Answer

Category 6a (Cat 6a) UTP matches 10 Gbps Ethernet up to 100 meters; Thunderbolt 4 matches 40 Gbps throughput with mandatory dual 4K display support; Single-mode Fiber (SMF) matches narrow 8.3–10 micron core for laser transmission; USB 3.2 Gen 2x1 matches 10 Gbps transfer rate.
Category 6a (Cat 6a) supports 10 Gbps Ethernet up to 100 meters. Thunderbolt 4 provides 40 Gbps throughput and mandates support for two 4K displays. Single-mode Fiber uses a small 8.3–10 micron core with lasers for long distances. USB 3.2 Gen 2x1 supports up to 10 Gbps throughput over a single lane.

Step-by-Step Solution

1
Analyze twisted-pair copper ethernet standards for bandwidth and distance capabilities.
Identify Category 6a as supporting 10 Gbps up to 100 meters (unlike standard Cat 6, which is limited to 55 meters at 10 Gbps).
Cat 6a extends 10GBASE-T performance across full structured cabling distances.
2
Evaluate high-speed peripheral standards and display capabilities.
Identify Thunderbolt 4 as offering 40 Gbps speed with mandatory dual 4K video display output.
Thunderbolt 4 strict certifications require dual 4K or single 8K DisplayPort Alt Mode capabilities alongside 40 Gbps data.
3
Differentiate optical fiber types by core size and light source.
Identify Single-mode Fiber by its 8.3–10 micron core diameter and laser light propagation.
Multi-mode fiber uses larger cores (50 or 62.5 microns) and LEDs, whereas Single-mode uses small cores and lasers for long distance.
4
Identify USB throughput standards.
Map USB 3.2 Gen 2x1 to its 10 Gbps maximum transfer speed specification.
USB 3.2 Gen 2x1 is a single-lane 10 Gbps bus specification available on both Type-A and Type-C physical connectors.

Key Concept

Physical interface specifications, throughput limitations, and transmission distance constraints for enterprise copper, fiber, and peripheral interconnects.
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Topics

Network and Peripheral Cables and Connectors

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