nerdexam
CompTIA

220-1101 · Question #34

Which of the following describes the main difference between T568A and T568B cabling standards?

The correct answer is B. The green and the orange cables are interchanged.. The only difference between T568A and T568B is that the orange and green pairs are interchanged. T568A wiring pattern is recognized as the preferred wiring pattern for this standard because it provides backward compatibility to both one pair and two pair USOC wiring schemes.

Networking

Question

Which of the following describes the main difference between T568A and T568B cabling standards?

Options

  • AThe T568B data transfer rate is higher than T568A.
  • BThe green and the orange cables are interchanged.
  • CT568A is used in blue cables, and T568B is used in green cables.
  • DThe standards use different cable connectors.

How the community answered

(34 responses)
  • A
    6% (2)
  • B
    91% (31)
  • C
    3% (1)

Explanation

The only difference between T568A and T568B is that the orange and green pairs are interchanged. T568A wiring pattern is recognized as the preferred wiring pattern for this standard because it provides backward compatibility to both one pair and two pair USOC wiring schemes.

Topics

#Cabling standards#T568A/B#Ethernet wiring#Network cabling

Community Discussion

No community discussion yet for this question.

Full 220-1101 Practice