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NCTI TECH 4 TO 5 CH. TEST STUDY GUIDE(4 TO 5 STUDY QUESTIONS)ALREADY GRADED A+
NCTI TECH 4 TO 5 CH. TEST STUDY GUIDE(4 TO 5 STUDY QUESTIONS)ALREADY GRADED A+
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Voorbeeld van de inhoud
NCTI TECH 4 TO 5 CH. TEST STUDYGUIDE(4 TO 5 STUDY
QUESTIONS)ALREADY GRADED A+
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 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? - Answer
10Base5 cable
According to 10BaseT wiring rules, what is the maximum segment length without a
repeater? - 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? - 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)
, NCTI TECH 4 TO 5 CH. TEST STUDY
GUIDE(4 TO 5 STUDY
QUESTIONS)ALREADY GRADED A+
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.
What device is required to attach a non-ISDN device to an ISDN network? - Answer
Terminal adaptor (TA)
Which of the following is a connection-oriented packet-switched network service that
works at the Data Link Layer? - Answer X.25*
ATM*
SMDS*
What is a private, internal network that uses Internet applications, tools, and
protocols? - Answer Intranet
Which of the following is implemented over a public telecommunication switching
system, such as a frame relay cloud? - Answer A public network
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