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NCTI 4 to 5 SOLUTION 2023//2024
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NCTI 4 to 5 SOLUTION 2023//2024 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 C...

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  • May 24, 2023
  • 7
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • ncti 4 to 5 solution 20232024

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NCTI 4 to 5
SOLUTION 2023//2024
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 CPUs have the same size data bus. Which one will process data faster? -
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. -
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 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? - ANSWER 10Base5
cable

According to 10BaseT wiring rules, what is the maximum segment length without a
repeater? - ANSWER 100 m

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

, In what part of a building would you typically find punch-down blocks? - 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? - ANSWER Segmentation

Which type of address is unique anywhere in the world? - ANSWER NIC address

Which layer of the OSI protocol stack handles frames? - ANSWER Data Link

Which of the following best represents a logical address? - ANSWER IPv6

In data networking, ________ describes the characteristics of a transmission link, such
as throughput, setup time, or accuracy. - ANSWER Quality of service (QoS)

Transport layer processes work with transmission channels using multiplexing and
___________ techniques. - ANSWER Parallelization

Which of the following protocols is commonly used in the Session Layer? - ANSWER
Advanced Program-to-Program Communications (APPC)

What is the binary equivalent to the decimal number "14"? - ANSWER 0000 1110

Data security, data compression, and ________ are the three main services that the
Presentation Layer provides. - ANSWER Data representation

Which of the following is an example of a Transport Layer protocol? - ANSWER
Transmission Control Protocol (TCP)

Carrier sense multiple access with collision detection (CSMA/CD) is most like which of
the following? - ANSWER An informal conversation in which each person speaks when
the opportunity presents itself, but only one person speaks at any time

The IEEE 802.3 standard defines which of the following? - ANSWER Ethernet

What Fast Ethernet standard can send Ethernet frames at 100 Mbps over Category 5E
UTP or fiber optic cabling? - ANSWER IEEE 802.3u

What enables the transport of computer data over analog telephone local loops? -
ANSWER Telephone modems.

Which of the following describes the bandwidth of a single FT1? - ANSWER 64 Kbps

How much bandwidth in a T1 circuit is allocated for control information? - ANSWER 8
Kbps.

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