Copyright Goodheart-Willcox Co., Inc. 84 Networking Fundamentals 3. What is the maximum frequency rating for Category 7 cable? A. 250 MHz B. 500 MHz C. 600 MHz D. 10 Gbps 4. Th e loss of signal strength from one end of a cable to the opposite end is expressed as _____. A. attenuation B. crosstalk C. NEXT D. resistance 5. What is the purpose of twisted-pair shielding? A. To reduce the eff ects of environmental heat. B. To provide protection from EMI. C. To increase the rate of data fl ow. D. To identify which pair is used for transmitting data. 6. What is the diff erence in the 568B or 568A pinout sequence? A. Th e orange and green pairs are in reverse pin locations, and the blue and brown pairs remain in the same pin locations. B. Th e blue and brown pairs are in reverse pin locations, and the orange and green pairs remain in the same pin locations. C. Th e blue and red pairs are in opposite locations, and the gray and brown pairs remain in the same pin locations. D. All conductor pairs are in opposite locations. 7. Ferris is trying to measure signal loss in the cable used in his company’s network. Which electrical characteristic is used to measure signal loss in cable? A. Decibel B. Resistance C. Amperage D. Wattage