IT2 STUDY ADVANCEMENT EXAM questions and
answers 2025\2026 A+ Grade
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)
- correct answer Metropolitan Area Network (MAN)
During the pinging process what is the ping that is sent out called? (Page 1-6)
- correct answer Echo message
Which names are reserved by DOS to reserve the first serial and parallel ports, respectively? (Page 1-6)
- correct answer COM1 and LPT1
Which term refers to duplicate hardware and network facility segments that are available at all times?
(Page 1-8)
- correct answer Redundancy
What are the three major types of LAN configurations or topologies? (Page 1-9)
- correct 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)
- correct answer Multi-station Access Unit (MAU)
What are the two principal network access methods? (Page 1-12)
- correct 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)
- correct 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)
- correct answer Open Systems Interconnection (OSI) model
Which layer of the OSI model is the physical layer? (Page 1-14)
- correct answer 1
Which layer of the OSI model is the data link layer? (Page 1-14)
- correct answer 2
Which layer of the OSI model is the network layer? (Page 1-14)
- correct answer 3
Which layer of the OSI model is the transport layer? (Page 1-15)
- correct answer 4
Which layer of the OSI model is the session layer? (Page 1-15)
- correct answer 5
Which layer of the OSI model is the presentation layer? (Page 1-15)
- correct answer 6
Which layer of the OSI model is the application layer? (Page 1-15)
- correct answer 7
Which layer of the OSI model addresses the electrical, mechanical, and functional interface to the
carrier? (Page 1-14)
- correct answer Physical
Which layer of the OSI model provides error-free transmission of information over the physical medium?
(Page 1-14)
- correct answer Data link
,Which layer of the OSI model decides which physical pathway the data should take? (Page 1-14)
- correct 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)
- correct 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)
- correct 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)
- correct answer Presentation
Which layer of the OSI model provides data encryption for privacy and authentication? (Page 1-15)
- correct answer Presentation
Which layer of the OSI model represents the services that directly support users and application tasks?
(Page 1-15)
- correct answer Application
What are the two most common types of twisted-pair media? (Page 1-16)
- correct answer 22 and 24 gauge
What is the transmission rate of a T1 line? (Page 1-16)
- correct answer 1.5 Mbps
What is the transmission rate of a T2 line? (Page 1-16)
- correct answer 6.3 Mbps
What is the transmission rate of a T3 line? (Page 1-16)
- correct answer 46 Mbps
, What is the transmission rate of a T4 line? (Page 1-16)
- correct answer 281 Mbps
Which layer of the OSI model do routers work on? (Page 2-2)
- correct answer 3
Which layer of the OSI model do gateways work on? (Page 2-2)
- correct answer 7
Which device serves as a common termination point that can relay signals along the appropriate paths?
(Page 2-3)
- correct answer Hub
Which type of transmission media is immune to interference caused by electrical or electronic devices?
(Page 2-4)
- correct answer Fiber
Which type of cable refers to the cable that forms the main trunk of a network? (Page 2-8)
- correct answer Backbone
How many different types of backbone cable are recognized by EIA/TIA-568? (Page 2-8)
- correct answer 4
Which type of servers can be used as both a server and a workstation? (Page 2-10)
- correct answer Non-dedicated
What is defined as the decrease in signal strength, measured in decibels (dB) per 100 feet? (Page 3-6)
- correct answer Attenuation
What is used to try to eliminate the effects of certain types of distortions on the signal? (Page 3-6)
- correct answer Line conditioning
answers 2025\2026 A+ Grade
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)
- correct answer Metropolitan Area Network (MAN)
During the pinging process what is the ping that is sent out called? (Page 1-6)
- correct answer Echo message
Which names are reserved by DOS to reserve the first serial and parallel ports, respectively? (Page 1-6)
- correct answer COM1 and LPT1
Which term refers to duplicate hardware and network facility segments that are available at all times?
(Page 1-8)
- correct answer Redundancy
What are the three major types of LAN configurations or topologies? (Page 1-9)
- correct 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)
- correct answer Multi-station Access Unit (MAU)
What are the two principal network access methods? (Page 1-12)
- correct 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)
- correct 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)
- correct answer Open Systems Interconnection (OSI) model
Which layer of the OSI model is the physical layer? (Page 1-14)
- correct answer 1
Which layer of the OSI model is the data link layer? (Page 1-14)
- correct answer 2
Which layer of the OSI model is the network layer? (Page 1-14)
- correct answer 3
Which layer of the OSI model is the transport layer? (Page 1-15)
- correct answer 4
Which layer of the OSI model is the session layer? (Page 1-15)
- correct answer 5
Which layer of the OSI model is the presentation layer? (Page 1-15)
- correct answer 6
Which layer of the OSI model is the application layer? (Page 1-15)
- correct answer 7
Which layer of the OSI model addresses the electrical, mechanical, and functional interface to the
carrier? (Page 1-14)
- correct answer Physical
Which layer of the OSI model provides error-free transmission of information over the physical medium?
(Page 1-14)
- correct answer Data link
,Which layer of the OSI model decides which physical pathway the data should take? (Page 1-14)
- correct 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)
- correct 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)
- correct 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)
- correct answer Presentation
Which layer of the OSI model provides data encryption for privacy and authentication? (Page 1-15)
- correct answer Presentation
Which layer of the OSI model represents the services that directly support users and application tasks?
(Page 1-15)
- correct answer Application
What are the two most common types of twisted-pair media? (Page 1-16)
- correct answer 22 and 24 gauge
What is the transmission rate of a T1 line? (Page 1-16)
- correct answer 1.5 Mbps
What is the transmission rate of a T2 line? (Page 1-16)
- correct answer 6.3 Mbps
What is the transmission rate of a T3 line? (Page 1-16)
- correct answer 46 Mbps
, What is the transmission rate of a T4 line? (Page 1-16)
- correct answer 281 Mbps
Which layer of the OSI model do routers work on? (Page 2-2)
- correct answer 3
Which layer of the OSI model do gateways work on? (Page 2-2)
- correct answer 7
Which device serves as a common termination point that can relay signals along the appropriate paths?
(Page 2-3)
- correct answer Hub
Which type of transmission media is immune to interference caused by electrical or electronic devices?
(Page 2-4)
- correct answer Fiber
Which type of cable refers to the cable that forms the main trunk of a network? (Page 2-8)
- correct answer Backbone
How many different types of backbone cable are recognized by EIA/TIA-568? (Page 2-8)
- correct answer 4
Which type of servers can be used as both a server and a workstation? (Page 2-10)
- correct answer Non-dedicated
What is defined as the decrease in signal strength, measured in decibels (dB) per 100 feet? (Page 3-6)
- correct answer Attenuation
What is used to try to eliminate the effects of certain types of distortions on the signal? (Page 3-6)
- correct answer Line conditioning
