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NCTI Field Tech IV Progression | 206 Actual Questions and Answers (100% complete)
NCTI Field Tech IV Progression | 206 Actual Questions and Answers (100% complete)
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NCTI Field Tech IV Progression | 206 ActualQuestions and Answers (100% complete)
What term describes the number of wave crests that pass a fixed point during a
particular period of time? - Answer Frequency
In data networking, this term is defined as "Signals may flow in either direction,
but not simultaneously". - Answer Half-Duplex
Two CPU's have the same size data bus. Which one will process data faster? -
Answer The one with a higher clock speed
Which of the following is most typical of a broadband network? - Answer
Multiple analog channels
What components are most common to all computer systems? - Answer
Processor, Memory, Storage, I/O
What does I/O stand for? - Answer Input/Output
A NIC is a device used for: - Answer Signaling
A sound card is what general type of computer component? - Answer
Input/Output
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. -
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? - Answer Back up and
recovery utilities
,Which of the following is managed by the OS? - Answer Keyboard input,
Screen display, File I/O, and Peripheral control
The primary purpose of a device driver is to control hardware under the
supervision of the OS. True or False? - Answer True
Which of the following network topologies forms a closed loop? - Answer
Ring Topology
Which of the following network topologies connects devices to a shared straight-
line cable? - Answer Bus topology
Which of the following is also called "Thicknet" or "yellow wire" and includes two
layers of foil shielding as well as and additional copper mesh shield? - Answer
10Base5 cable
According to 10BaseT wiring rules, what is the maximum segment length without
a repeater? - Answer 100 m
M1L5 When is UTP cable preferred over STP? - Answer When there is little
electrical interference
Which connector type is used with Thinnet coaxial cable? - Answer BNC
Which of the following cable types uses a T-connector to connect each NIC to the
table? - Answer Thinnet
When light travels through a fiber-optic cable, the change in refractive index
causes the light to refract off which of the following? - Answer The boundary
between the core and the cladding
Which of the following requires a laser transmitter? - Answer Single-mode
fiber
Which of the following cable types can transmit data farthest? - Answer Fiber
Optic
, How are bits represented on fiber optic cable? - Answer Pulses (on/off) of
light
Which of the following are two primary types of light sources in fiber optic cables?
- Answer Laser diode and LED
In what part of a building would you typically find punch-down blocks? -
Answer Wiring closet
Which OSI model layers are concerned primarily with applications? - Answer
The top three
Which layers are primarily concerned with moving raw data? - Answer The
lower four
Which of the following is the primary purpose of a Physical Layer protocol? -
Answer Transmit bits across a physical link
Which of the following will not occur at the Physical Layer? - Answer
Rerouting of information
Which of the following is the primary purpose of a Data Link Layer protocol? -
Answer Transmit frames across a physical link
Which of the following hardware devices builds a frame? - Answer NIC
Frame headers and packet headers contain addresses. True or False? - Answer
True
Which of the following is an example of a Network Layer protocol? - Answer
IP
The Network Layer is to packet as the Data Link Layer is to: - Answer Frames
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