> inside the cable's shield There are no shield in Unshielded Twisted Pair cables used by most 100 Mbit/s networks and on photos in the article. Twisted pair

> inside the cable's shield There are no shield in Unshielded Twisted Pair cables used by most 100 Mbit/s networks and on photos in the article. Twisted pair by itself filters most of the noise because on every twist polarity of noise changes so it subtract itself.