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NCTI FINAL EXAM: PROGRESSION FIELD TECH 4- 5 TEST EXAM| LATEST UPDATE 2023 / 2024| Verified Solutions Progression: Field Tech IV - V Conventional.€14,18
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NCTI FINAL EXAM: PROGRESSION FIELD TECH 4- 5
TEST EXAM| LATEST UPDATE | Verified
Solutions Progression: Field Tech IV - V Conventional.
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 topology
M1L5 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
In data networking, this term is defined as "Signals may flow in either direction, but not
simultaneously".
Half-duplex
Two CPUs have the same size data bus. Which one will process data faster?
, 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.
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?
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?
10Base5 cable
According to 10BaseT wiring rules, what is the maximum segment length without a repeater?
100m
When light travels through a fiber-optic cable, the change in refractive index causes the light to refract
off which of the following?
The boundary between the core and the cladding
Which of the following requires a laser transmitter?
Single-mode fiber
In what part of a building would you typically find punch-down blocks?
Wiring closet
Which OSI model layers are concerned primarily with applications?
The top three
Which layers are primarily concerned with moving raw data?
The lower four
Which of the following is the primary purpose of a Physical Layer protocol?
Transmit bits across a physical link
Which of the following will not occur at the Physical Layer?
Rerouting of information
Which of the following is the primary purpose of a Data Link Layer protocol?
Transmit frames across a physical link
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