Copyright Goodheart-Willcox Co., Inc. 83 Chapter 2 Network Media—Copper-Core Cable 11. What is the diff erence between direct current (DC) and alternating current (AC)? 12. _____ is the opposition to direct current _____ is the opposition to alternating current. 13. Th e amount of signal refl ected from the end of the cable is called _____. 14. Describe crosstalk. 15. List four types of measurement that can be taken on twisted-pair cable to measure the eff ects of crosstalk. 16. List the four categories of the IEEE 802.3 classifi cation. 17. RG-58 is also referred to as _____. 18. Th e size of a conductor’s diameter is described by what rating? 19. Which conductor has a larger diameter, one that has a 22 AWG rating or one that has a 24 AWG rating? 20. What type of coaxial cable is recommended by the EIA/TIA 570 residential communication standard? 21. Which type of coaxial cable is referred to as thicknet? 22. How many categories of twisted-pair cables exist? 23. What is the maximum frequency rating of Category 6 UTP cable? 24. List the two main cable termination standards for twisted-pair cable. 25. What type of connector is used for UTP cable? 26. List and describe fi ve wiring faults that can occur from incorrect wiring. Sample Network+ Exam Questions 1. Which type of cable is typically associated with a 10BaseT network? A. RG-58 B. UTP C. Fiber-optic D. RG-8 2. Mary is a network technician and is installing cable. She needs to install several UTP connectors. Before starting installation, she is assembling all the equipment she will need. What connector is used with UTP cable? A. BNC B. RJ-45 C. AUI D. ST