NCTI TECH 4 TO 5 CH. TEST STUDY GUIDE
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? - ✔✔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? - ✔✔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
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? -
✔✔Segmentation
Which type of address is unique anywhere in the world? - ✔✔NIC address
Which layer of the OSI protocol stack handles frames? - ✔✔Data Link
Which of the following best represents a logical address? - ✔✔IPv6
In data networking, ________ describes the characteristics of a transmission link, such as
throughput, setup time, or accuracy. - ✔✔Quality of service (QoS)
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? - ✔✔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? - ✔✔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
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? -
✔✔Segmentation
Which type of address is unique anywhere in the world? - ✔✔NIC address
Which layer of the OSI protocol stack handles frames? - ✔✔Data Link
Which of the following best represents a logical address? - ✔✔IPv6
In data networking, ________ describes the characteristics of a transmission link, such as
throughput, setup time, or accuracy. - ✔✔Quality of service (QoS)
