Final answer:
Cat6a is the category of twisted pair cable that supports a 250 MHz signaling rate.
Step-by-step explanation:
Twisted pair cables are commonly used for Ethernet networks and come in different categories that determine their speed and performance. Cat6a is an enhanced version of Cat6 cable, capable of transmitting data at higher frequencies, making it suitable for high-speed communication. With a signaling rate of 250 MHz, Cat6a offers faster and more reliable data transmission compared to lower categories, such as Cat5 or Cat6.
The category of twisted pair cable that supports a signaling rate of 250 MHz is Category 6, or Cat6 cable. The signaling rate or bandwidth determines how much data can be transmitted over the cable at a given time, which is critical for high-speed networks.
To answer your question, Cat6 twisted pair cable is designed to support frequencies up to 250 MHz, which allows for higher data transmission rates compared to its predecessors such as Cat5 and Cat5e. These higher frequencies enable Cat6 cables to support Gigabit Ethernet speeds which are often required in modern networking environments.