NCTI Tech 4 To 5 Ch. Test Study Guide
Questions With 100% Correct Answers |
Updated & Verified
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
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-Back up 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
Encapsulation and protocol headers, decapsulation, and reassembly are three of the
four basic techniques used whenever different layers of protocols work together. What
is the fourth? - Correct Answer-Segmentation
Which type of address is unique anywhere in the world? - Correct Answer-NIC address
