IT2 STUDY ADVANCEMENT EXAM | 2026 UPDATE | 734 QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION | 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) - (ANSWER)Metropolitan Area Network
(MAN)
During the pinging process what is the ping that is sent out called? (Page 1-6) - (ANSWER)Echo message
Which names are reserved by DOS to reserve the first serial and parallel ports, respectively? (Page 1-6) -
(ANSWER)COM1 and LPT1
Which term refers to duplicate hardware and network facility segments that are available at all times?
(Page 1-8) - (ANSWER)Redundancy
What are the three major types of LAN configurations or topologies? (Page 1-9) - (ANSWER)Star, Bus,
and Ring
What is the wiring concentrator which allows workstations to be either inserted or bypassed on the
ring? (Page 1-10) - (ANSWER)Multi-station Access Unit (MAU)
What are the two principal network access methods? (Page 1-12) - (ANSWER)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) - (ANSWER)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) -
(ANSWER)Open Systems Interconnection (OSI) model
Which layer of the OSI model is the physical layer? (Page 1-14) - (ANSWER)1
Which layer of the OSI model is the data link layer? (Page 1-14) - (ANSWER)2
,IT2 STUDY ADVANCEMENT EXAM | 2026 UPDATE | 734 QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION | GRADED A+
Which layer of the OSI model is the network layer? (Page 1-14) - (ANSWER)3
Which layer of the OSI model is the transport layer? (Page 1-15) - (ANSWER)4
Which layer of the OSI model is the session layer? (Page 1-15) - (ANSWER)5
Which layer of the OSI model is the presentation layer? (Page 1-15) - (ANSWER)6
Which layer of the OSI model is the application layer? (Page 1-15) - (ANSWER)7
Which layer of the OSI model addresses the electrical, mechanical, and functional interface to the
carrier? (Page 1-14) - (ANSWER)Physical
Which layer of the OSI model provides error-free transmission of information over the physical medium?
(Page 1-14) - (ANSWER)Data link
Which layer of the OSI model decides which physical pathway the data should take? (Page 1-14) -
(ANSWER)Network
Which layer of the OSI model ensures data units are delivered error-free, in sequence, with no losses or
duplications? (Page 1-15) - (ANSWER)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) - (ANSWER)Session
Which layer of the OSI model provides a common representation of data that can be used between the
application processes? (Page 1-15) - (ANSWER)Presentation
,IT2 STUDY ADVANCEMENT EXAM | 2026 UPDATE | 734 QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION | GRADED A+
Which layer of the OSI model provides data encryption for privacy and authentication? (Page 1-15) -
(ANSWER)Presentation
Which layer of the OSI model represents the services that directly support users and application tasks?
(Page 1-15) - (ANSWER)Application
What are the two most common types of twisted-pair media? (Page 1-16) - (ANSWER)22 and 24 gauge
What is the transmission rate of a T1 line? (Page 1-16) - (ANSWER)1.5 Mbps
What is the transmission rate of a T2 line? (Page 1-16) - (ANSWER)6.3 Mbps
What is the transmission rate of a T3 line? (Page 1-16) - (ANSWER)46 Mbps
What is the transmission rate of a T4 line? (Page 1-16) - (ANSWER)281 Mbps
Which layer of the OSI model do routers work on? (Page 2-2) - (ANSWER)3
Which layer of the OSI model do gateways work on? (Page 2-2) - (ANSWER)7
Which device serves as a common termination point that can relay signals along the appropriate paths?
(Page 2-3) - (ANSWER)Hub
Which type of transmission media is immune to interference caused by electrical or electronic devices?
(Page 2-4) - (ANSWER)Fiber
Which type of cable refers to the cable that forms the main trunk of a network? (Page 2-8) -
(ANSWER)Backbone
, IT2 STUDY ADVANCEMENT EXAM | 2026 UPDATE | 734 QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION | GRADED A+
How many different types of backbone cable are recognized by EIA/TIA-568? (Page 2-8) - (ANSWER)4
Which type of servers can be used as both a server and a workstation? (Page 2-10) - (ANSWER)Non-
dedicated
What is defined as the decrease in signal strength, measured in decibels (dB) per 100 feet? (Page 3-6) -
(ANSWER)Attenuation
What is used to try to eliminate the effects of certain types of distortions on the signal? (Page 3-6) -
(ANSWER)Line conditioning
Which device is used to test the integrity of a section of cable before the cable is even unwound? (Page
3-6) - (ANSWER)Time Domain Reflectometry (TDR)
What is ACP 125 for? - (ANSWER)Prescribe Voice Procedures for use by the armed forces of Allied
Nations on secure and insecure tactical voice nets
What is a Callsign? - (ANSWER)Figures, letters, or combinations of both used to identify a COMMs
station, an organization, or an individual on a radio net.
What information is it Mandatory to encode? (6 Items) - (ANSWER)Positions identifying location of
friendly forces or enemy locations (If gathered by stealth)
Start Lines
Routes
Harbors and tides
Timings
Future Intentions
What is the collective title for the measures taken to protect all aspects of Communications in order to
deny information and intelligence to an enemy? - (ANSWER)COMSEC
COMPLETE SOLUTION | 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) - (ANSWER)Metropolitan Area Network
(MAN)
During the pinging process what is the ping that is sent out called? (Page 1-6) - (ANSWER)Echo message
Which names are reserved by DOS to reserve the first serial and parallel ports, respectively? (Page 1-6) -
(ANSWER)COM1 and LPT1
Which term refers to duplicate hardware and network facility segments that are available at all times?
(Page 1-8) - (ANSWER)Redundancy
What are the three major types of LAN configurations or topologies? (Page 1-9) - (ANSWER)Star, Bus,
and Ring
What is the wiring concentrator which allows workstations to be either inserted or bypassed on the
ring? (Page 1-10) - (ANSWER)Multi-station Access Unit (MAU)
What are the two principal network access methods? (Page 1-12) - (ANSWER)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) - (ANSWER)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) -
(ANSWER)Open Systems Interconnection (OSI) model
Which layer of the OSI model is the physical layer? (Page 1-14) - (ANSWER)1
Which layer of the OSI model is the data link layer? (Page 1-14) - (ANSWER)2
,IT2 STUDY ADVANCEMENT EXAM | 2026 UPDATE | 734 QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION | GRADED A+
Which layer of the OSI model is the network layer? (Page 1-14) - (ANSWER)3
Which layer of the OSI model is the transport layer? (Page 1-15) - (ANSWER)4
Which layer of the OSI model is the session layer? (Page 1-15) - (ANSWER)5
Which layer of the OSI model is the presentation layer? (Page 1-15) - (ANSWER)6
Which layer of the OSI model is the application layer? (Page 1-15) - (ANSWER)7
Which layer of the OSI model addresses the electrical, mechanical, and functional interface to the
carrier? (Page 1-14) - (ANSWER)Physical
Which layer of the OSI model provides error-free transmission of information over the physical medium?
(Page 1-14) - (ANSWER)Data link
Which layer of the OSI model decides which physical pathway the data should take? (Page 1-14) -
(ANSWER)Network
Which layer of the OSI model ensures data units are delivered error-free, in sequence, with no losses or
duplications? (Page 1-15) - (ANSWER)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) - (ANSWER)Session
Which layer of the OSI model provides a common representation of data that can be used between the
application processes? (Page 1-15) - (ANSWER)Presentation
,IT2 STUDY ADVANCEMENT EXAM | 2026 UPDATE | 734 QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION | GRADED A+
Which layer of the OSI model provides data encryption for privacy and authentication? (Page 1-15) -
(ANSWER)Presentation
Which layer of the OSI model represents the services that directly support users and application tasks?
(Page 1-15) - (ANSWER)Application
What are the two most common types of twisted-pair media? (Page 1-16) - (ANSWER)22 and 24 gauge
What is the transmission rate of a T1 line? (Page 1-16) - (ANSWER)1.5 Mbps
What is the transmission rate of a T2 line? (Page 1-16) - (ANSWER)6.3 Mbps
What is the transmission rate of a T3 line? (Page 1-16) - (ANSWER)46 Mbps
What is the transmission rate of a T4 line? (Page 1-16) - (ANSWER)281 Mbps
Which layer of the OSI model do routers work on? (Page 2-2) - (ANSWER)3
Which layer of the OSI model do gateways work on? (Page 2-2) - (ANSWER)7
Which device serves as a common termination point that can relay signals along the appropriate paths?
(Page 2-3) - (ANSWER)Hub
Which type of transmission media is immune to interference caused by electrical or electronic devices?
(Page 2-4) - (ANSWER)Fiber
Which type of cable refers to the cable that forms the main trunk of a network? (Page 2-8) -
(ANSWER)Backbone
, IT2 STUDY ADVANCEMENT EXAM | 2026 UPDATE | 734 QUESTIONS AND ANSWERS | WITH
COMPLETE SOLUTION | GRADED A+
How many different types of backbone cable are recognized by EIA/TIA-568? (Page 2-8) - (ANSWER)4
Which type of servers can be used as both a server and a workstation? (Page 2-10) - (ANSWER)Non-
dedicated
What is defined as the decrease in signal strength, measured in decibels (dB) per 100 feet? (Page 3-6) -
(ANSWER)Attenuation
What is used to try to eliminate the effects of certain types of distortions on the signal? (Page 3-6) -
(ANSWER)Line conditioning
Which device is used to test the integrity of a section of cable before the cable is even unwound? (Page
3-6) - (ANSWER)Time Domain Reflectometry (TDR)
What is ACP 125 for? - (ANSWER)Prescribe Voice Procedures for use by the armed forces of Allied
Nations on secure and insecure tactical voice nets
What is a Callsign? - (ANSWER)Figures, letters, or combinations of both used to identify a COMMs
station, an organization, or an individual on a radio net.
What information is it Mandatory to encode? (6 Items) - (ANSWER)Positions identifying location of
friendly forces or enemy locations (If gathered by stealth)
Start Lines
Routes
Harbors and tides
Timings
Future Intentions
What is the collective title for the measures taken to protect all aspects of Communications in order to
deny information and intelligence to an enemy? - (ANSWER)COMSEC
