Progression: Field Tech IV - V Conventional 212
Questions and Answers 100% Verified Which of the following is most typical of a broadband network? - Correct Answer Multiple analog channels What components are common to all computer systems? (Check all that apply.) - Correct Answer Processor Memory Storage I/O What does I/O stand for? - Correct Answer Input / Output
A NIC is a device used for: - Correct Answer Signaling
A sound card is what general type of computer component? - Correct Answer Input/output Which of the following is managed by the OS? - Correct Answer 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? - Correct Answer True Which of the following network topologies forms a closed loop? - Correct Answer Ring topology Which of the following network topologies connects devices to a shared straight-line cable? - Correct Answer Bus topology 1 / 3
M1L5 When is UTP cable preferred over STP? - Correct Answer When there is little electrical interference Which connector type is used with Thinnet coaxial cable? - Correct Answer BNC Which of the following cable types uses a T-connector to connect each NIC to the cable? - Correct Answer Thinnet Which of the following cable types can transmit data farthest? - Correct Answer Fiber optic How are bits represented on fiber optic cable? - Correct Answer Pulses (on/off) of light Which of the following are the two primary types of light sources in fiber optic cables? - Correct Answer Laser diode and LED What is the main advantage of star topology? - Correct Answer Ease of management Which of the following would not be used in a typical star topology? - Correct Answer Thinnet How many wire pairs can be terminated on a 66 block? - Correct Answer 25 or 50 What makes a crossover cable different from a patch cord? - Correct Answer 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? - Correct Answer Bad cable connections degrade a network's performance.What is the main advantage of using balanced signaling on a serial cable? - Correct Answer The cable can be longer because balanced signaling is less vulnerable to interference. 2 / 3
What term describes the number of wave crests that pass a fixed point during a particular period of time? - Correct Answer Frequency In data networking, this term is defined as "Signals may flow in either direction, but not simultaneously".
- Correct Answer Half-duplex
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Two CPUs have the same size data bus. Which one will process data faster? - Correct Answer The one with a higher clock speed This unique ID number is coordinated by the Institute of Electrical and Electronics Engineers and is used by only one network interface card anywhere in the world. - Correct Answer Media access control address (MAC) Which is a network management and utility software that is typically used by network administrators and information systems personnel when the network is unused or lightly used, often in the middle of the night? - Correct Answer Backup and recovery utilities Which of the following is also called "Thicknet" or "yellow wire" and includes two layers of foil shielding as well as an additional copper mesh shield? - Correct Answer 10Base5 cable According to 10BaseT wiring rules, what is the maximum segment length without a repeater? - Correct Answer 100m When light travels through a fiber-optic cable, the change in refractive index causes the light to refract off which of the following? - Correct Answer The boundary between the core and the cladding Which of the following requires a laser transmitter? - Correct Answer Single-mode fiber In what part of a building would you typically find punch-down blocks? - Correct Answer Wiring closet Which OSI model layers are concerned primarily with applications? - Correct Answer The top three