IT2 Advancement Exam 1 Questions and
Answers Latest Versions 2026 Top Rated
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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)
Metropolitan Area Network (MAN)
During the pinging process what is the ping that is sent out
called? (Page 1-6)
Echo message
Which names are reserved by DOS to reserve the first serial
and parallel ports, respectively? (Page 1-6)
COM1 and LPT1
Which term refers to duplicate hardware and network facility
segments that are available at all times? (Page 1-8)
Redundancy
What are the three major types of LAN configurations or
topologies? (Page 1-9)
Star, Bus, and Ring
What is the wiring concentrator which allows workstations to
be either inserted or bypassed on the ring? (Page 1-10)
Multi-station Access Unit (MAU)
What are the two principal network access methods? (Page
1-12)
Contention 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)
SDLC
,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)
Open Systems Interconnection (OSI) model
Which layer of the OSI model is the physical layer? (Page 1-
14)
1
Which layer of the OSI model is the data link layer? (Page 1-
14)
2
Which layer of the OSI model is the network layer? (Page 1-
14)
3
Which layer of the OSI model is the transport layer? (Page 1-
15)
4
Which layer of the OSI model is the session layer? (Page 1-
15)
5
Which layer of the OSI model is the presentation layer? (Page
1-15)
6
Which layer of the OSI model is the application layer? (Page
1-15)
7
Which layer of the OSI model addresses the electrical,
mechanical, and functional interface to the carrier? (Page 1-
14)
Physical
Which layer of the OSI model provides error-free
transmission of information over the physical medium?
(Page 1-14)
Data link
,Which layer of the OSI model decides which physical
pathway the data should take? (Page 1-14)
Network
Which layer of the OSI model ensures data units are
delivered error-free, in sequence, with no losses or
duplications? (Page 1-15)
Transport
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)
Session
Which layer of the OSI model provides a common
representation of data that can be used between the
application processes? (Page 1-15)
Presentation
Which layer of the OSI model provides data encryption for
privacy and authentication? (Page 1-15)
Presentation
Which layer of the OSI model represents the services that
directly support users and application tasks? (Page 1-15)
Application
What are the two most common types of twisted-pair media?
(Page 1-16)
22 and 24 gauge
What is the transmission rate of a T1 line? (Page 1-16)
1.5 Mbps
What is the transmission rate of a T2 line? (Page 1-16)
6.3 Mbps
What is the transmission rate of a T3 line? (Page 1-16)
46 Mbps
What is the transmission rate of a T4 line? (Page 1-16)
281 Mbps
Which layer of the OSI model do routers work on? (Page 2-2)
, 3
Which layer of the OSI model do gateways work on? (Page 2-
2)
7
Which device serves as a common termination point that can
relay signals along the appropriate paths? (Page 2-3)
Hub
Which type of transmission media is immune to interference
caused by electrical or electronic devices? (Page 2-4)
Fiber
Which type of cable refers to the cable that forms the main
trunk of a network? (Page 2-8)
Backbone
How many different types of backbone cable are recognized
by EIA/TIA-568? (Page 2-8)
4
Which type of servers can be used as both a server and a
workstation? (Page 2-10)
Non-dedicated
What is defined as the decrease in signal strength, measured
in decibels (dB) per 100 feet? (Page 3-6)
Attenuation
What is used to try to eliminate the effects of certain types of
distortions on the signal? (Page 3-6)
Line conditioning
Which device is used to test the integrity of a section of
cable before the cable is even unwound? (Page 3-6)
Time Domain Reflectometry (TDR)
What is ACP 125 for?
Prescribe Voice Procedures for use by the armed forces of Allied
Nations on secure and insecure tactical voice nets
What is a Callsign?
Figures, letters, or combinations of both used to identify a
COMMs station, an organization, or an individual on a radio net.
Answers Latest Versions 2026 Top Rated
A+ Guaranteed Pass
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)
Metropolitan Area Network (MAN)
During the pinging process what is the ping that is sent out
called? (Page 1-6)
Echo message
Which names are reserved by DOS to reserve the first serial
and parallel ports, respectively? (Page 1-6)
COM1 and LPT1
Which term refers to duplicate hardware and network facility
segments that are available at all times? (Page 1-8)
Redundancy
What are the three major types of LAN configurations or
topologies? (Page 1-9)
Star, Bus, and Ring
What is the wiring concentrator which allows workstations to
be either inserted or bypassed on the ring? (Page 1-10)
Multi-station Access Unit (MAU)
What are the two principal network access methods? (Page
1-12)
Contention 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)
SDLC
,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)
Open Systems Interconnection (OSI) model
Which layer of the OSI model is the physical layer? (Page 1-
14)
1
Which layer of the OSI model is the data link layer? (Page 1-
14)
2
Which layer of the OSI model is the network layer? (Page 1-
14)
3
Which layer of the OSI model is the transport layer? (Page 1-
15)
4
Which layer of the OSI model is the session layer? (Page 1-
15)
5
Which layer of the OSI model is the presentation layer? (Page
1-15)
6
Which layer of the OSI model is the application layer? (Page
1-15)
7
Which layer of the OSI model addresses the electrical,
mechanical, and functional interface to the carrier? (Page 1-
14)
Physical
Which layer of the OSI model provides error-free
transmission of information over the physical medium?
(Page 1-14)
Data link
,Which layer of the OSI model decides which physical
pathway the data should take? (Page 1-14)
Network
Which layer of the OSI model ensures data units are
delivered error-free, in sequence, with no losses or
duplications? (Page 1-15)
Transport
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)
Session
Which layer of the OSI model provides a common
representation of data that can be used between the
application processes? (Page 1-15)
Presentation
Which layer of the OSI model provides data encryption for
privacy and authentication? (Page 1-15)
Presentation
Which layer of the OSI model represents the services that
directly support users and application tasks? (Page 1-15)
Application
What are the two most common types of twisted-pair media?
(Page 1-16)
22 and 24 gauge
What is the transmission rate of a T1 line? (Page 1-16)
1.5 Mbps
What is the transmission rate of a T2 line? (Page 1-16)
6.3 Mbps
What is the transmission rate of a T3 line? (Page 1-16)
46 Mbps
What is the transmission rate of a T4 line? (Page 1-16)
281 Mbps
Which layer of the OSI model do routers work on? (Page 2-2)
, 3
Which layer of the OSI model do gateways work on? (Page 2-
2)
7
Which device serves as a common termination point that can
relay signals along the appropriate paths? (Page 2-3)
Hub
Which type of transmission media is immune to interference
caused by electrical or electronic devices? (Page 2-4)
Fiber
Which type of cable refers to the cable that forms the main
trunk of a network? (Page 2-8)
Backbone
How many different types of backbone cable are recognized
by EIA/TIA-568? (Page 2-8)
4
Which type of servers can be used as both a server and a
workstation? (Page 2-10)
Non-dedicated
What is defined as the decrease in signal strength, measured
in decibels (dB) per 100 feet? (Page 3-6)
Attenuation
What is used to try to eliminate the effects of certain types of
distortions on the signal? (Page 3-6)
Line conditioning
Which device is used to test the integrity of a section of
cable before the cable is even unwound? (Page 3-6)
Time Domain Reflectometry (TDR)
What is ACP 125 for?
Prescribe Voice Procedures for use by the armed forces of Allied
Nations on secure and insecure tactical voice nets
What is a Callsign?
Figures, letters, or combinations of both used to identify a
COMMs station, an organization, or an individual on a radio net.
