Progression: Field Tech IV - V Conventional | 212 Questions and Answers(A+ Solution guide)

Which of the following is most typical of a broadband network? - Multiple analog channels What components are common to all computer systems? (Check all that apply.) - Processor Memory Storage I/O What does I/O stand for? - Input / Output A NIC is a device used for: - Signaling A sound card is what general type of computer component? - Input/output Which of the following is managed by the OS? - Keyboard input Screen display File I/O Peripheral control The primary purpose of a device driver is to control hardware under the supervision of the OS. True or False? - True Which of the following network topologies forms a closed loop? - Ring topology Which of the following network topologies connects devices to a shared straight-line cable? - Bus topologyM1L5 When is UTP cable preferred over STP? - When there is little electrical interference Which connector type is used with Thinnet coaxial cable? - BNC Which of the following cable types uses a T-connector to connect each NIC to the cable? - Thinnet Which of the following cable types can transmit data farthest? - Fiber optic How are bits represented on fiber optic cable? - Pulses (on/off) of light Which of the following are the two primary types of light sources in fiber optic cables? - Laser diode and LED What is the main advantage of star topology? - Ease of management Which of the following would not be used in a typical star topology? - Thinnet How many wire pairs can be terminated on a 66 block? - 25 or 50 What makes a crossover cable different from a patch cord? - A crossover cable uses the 568A pattern on one jack, and the 568B pattern on the other. A patch cord uses the same pinout pattern on both jacks. What is the key reason that smart LAN administrators demand well-made cable connections? - Bad cable connections degrade a network's performance. What is the main advantage of using balanced signaling on a serial cable? - The cable can be longer because balanced signaling is less vulnerable to interference.What term describes the number of wave crests that pass a fixed point during a particular period of time? - Frequency