IT2 STUDY ADVANCEMENT EXAM With
Verified Answers Graded A+
Which type of network are the workstations basewide as in one command connected to
another command or one base connected to another base? (Page 1-1) - answerMetropolitan
Area Network (MAN)
During the pinging process what is the ping that is sent out called? (Page 1-6) - answerEcho
message
Which names are reserved by DOS to reserve the first serial and parallel ports,
respectively? (Page 1-6) - answerCOM1 and LPT1
Which term refers to duplicate hardware and network facility segments that are available at
all times? (Page 1-8) - answerRedundancy
What are the three major types of LAN configurations or topologies? (Page 1-9) -
answerStar, Bus, and Ring
What is the wiring concentrator which allows workstations to be either inserted or
bypassed on the ring? (Page 1-10) - answerMulti-station Access Unit (MAU)
What are the two principal network access methods? (Page 1-12) - answerContention and
Token passing
Which control procedure sends multiple blocks of data and returns a single
acknowledgement for many blocks, thereby increasing the amount of time spent
transmitting data? (Page 1-12) - answerSDLC
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What provides a basis for coordinating the development of standards that relate to the
flexible interconnection of incompatible systems using data communications facilities?
(Page 1-13) - answerOpen Systems Interconnection (OSI) model
Which layer of the OSI model is the physical layer? (Page 1-14) - answer1
Which layer of the OSI model is the data link layer? (Page 1-14) - answer2
Which layer of the OSI model is the network layer? (Page 1-14) - answer3
Which layer of the OSI model is the transport layer? (Page 1-15) - answer4
Which layer of the OSI model is the session layer? (Page 1-15) - answer5
Which layer of the OSI model is the presentation layer? (Page 1-15) - answer6
Which layer of the OSI model is the application layer? (Page 1-15) - answer7
Which layer of the OSI model addresses the electrical, mechanical, and functional interface
to the carrier? (Page 1-14) - answerPhysical
Which layer of the OSI model provides error-free transmission of information over the
physical medium? (Page 1-14) - answerData link
Which layer of the OSI model decides which physical pathway the data should take? (Page
1-14) - answerNetwork
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Which layer of the OSI model ensures data units are delivered error-free, in sequence, with
no losses or duplications? (Page 1-15) - answerTransport
Which layer of the OSI model performs the functions that enable two applications to
communicate across the network, performing security, name recognition, logging,
administration, and other similar functions? (Page 1-15) - answerSession
Which layer of the OSI model provides a common representation of data that can be used
between the application processes? (Page 1-15) - answerPresentation
Which layer of the OSI model provides data encryption for privacy and authentication?
(Page 1-15) - answerPresentation
Which layer of the OSI model represents the services that directly support users and
application tasks? (Page 1-15) - answerApplication
What are the two most common types of twisted-pair media? (Page 1-16) - answer22 and
24 gauge
What is the transmission rate of a T1 line? (Page 1-16) - answer1.5 Mbps
What is the transmission rate of a T2 line? (Page 1-16) - answer6.3 Mbps
What is the transmission rate of a T3 line? (Page 1-16) - answer46 Mbps
What is the transmission rate of a T4 line? (Page 1-16) - answer281 Mbps
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Which layer of the OSI model do routers work on? (Page 2-2) - answer3
Which layer of the OSI model do gateways work on? (Page 2-2) - answer7
Which device serves as a common termination point that can relay signals along the
appropriate paths? (Page 2-3) - answerHub
Which type of transmission media is immune to interference caused by electrical or
electronic devices? (Page 2-4) - answerFiber
Which type of cable refers to the cable that forms the main trunk of a network? (Page 2-8) -
answerBackbone
How many different types of backbone cable are recognized by EIA/TIA-568? (Page 2-8) -
answer4
Which type of servers can be used as both a server and a workstation? (Page 2-10) -
answerNon-dedicated
What is defined as the decrease in signal strength, measured in decibels (dB) per 100 feet?
(Page 3-6) - answerAttenuation
What is used to try to eliminate the effects of certain types of distortions on the signal?
(Page 3-6) - answerLine conditioning
Which device is used to test the integrity of a section of cable before the cable is even
unwound? (Page 3-6) - answerTime Domain Reflectometry (TDR)
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