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
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
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
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
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
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
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
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
