IT2 STUDY LATEST
ADVANCEMENT EXAM
Which layer of the OSI model addresses the electrical, mechanical, and
functional interface to the carrier? (Page 1-14) - ANSWERS-Physical
Which layer of the OSI model provides error-free transmission of
information over the physical medium? (Page 1-14) - ANSWERS-Data
link
Which layer of the OSI model decides which physical pathway the data
should take? (Page 1-14) - ANSWERS-Network
Which layer of the OSI model ensures data units are delivered error-free,
in sequence, with no losses or duplications? (Page 1-15) - ANSWERS-
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) - ANSWERS-Session
Which layer of the OSI model provides a common representation of data
that can be used between the application processes? (Page 1-15) -
ANSWERS-Presentation
END OF
PAGE
1
, IT2 STUDY LATEST
ADVANCEMENT EXAM
Which layer of the OSI model provides data encryption for privacy and
authentication? (Page 1-15) - ANSWERS-Presentation
Which layer of the OSI model represents the services that directly
support users and application tasks? (Page 1-15) - ANSWERS-
Application
What are the two most common types of twisted-pair media? (Page 1-
16) - ANSWERS-22 and 24 gauge
What is the transmission rate of a T1 line? (Page 1-16) - ANSWERS-1.5
Mbps
What is the transmission rate of a T2 line? (Page 1-16) - ANSWERS-6.3
Mbps
What is the transmission rate of a T3 line? (Page 1-16) - ANSWERS-46
Mbps
END OF
PAGE
2
, IT2 STUDY LATEST
ADVANCEMENT EXAM
What is the transmission rate of a T4 line? (Page 1-16) - ANSWERS-
281 Mbps
Which layer of the OSI model do routers work on? (Page 2-2) -
ANSWERS-3
Which layer of the OSI model do gateways work on? (Page 2-2) -
ANSWERS-7
Which device serves as a common termination point that can relay
signals along the appropriate paths? (Page 2-3) - ANSWERS-Hub
Which type of transmission media is immune to interference caused by
electrical or electronic devices? (Page 2-4) - ANSWERS-Fiber
Which type of cable refers to the cable that forms the main trunk of a
network? (Page 2-8) - ANSWERS-Backbone
How many different types of backbone cable are recognized by
EIA/TIA-568? (Page 2-8) - ANSWERS-4
END OF
PAGE
3
, IT2 STUDY LATEST
ADVANCEMENT EXAM
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) - ANSWERS-Metropolitan Area Network
(MAN)
During the pinging process what is the ping that is sent out called? (Page
1-6) - ANSWERS-Echo message
Which names are reserved by DOS to reserve the first serial and parallel
ports, respectively? (Page 1-6) - ANSWERS-COM1 and LPT1
Which term refers to duplicate hardware and network facility segments
that are available at all times? (Page 1-8) - ANSWERS-Redundancy
What are the three major types of LAN configurations or topologies?
(Page 1-9) - ANSWERS-Star, Bus, and Ring
What is the wiring concentrator which allows workstations to be either
inserted or bypassed on the ring? (Page 1-10) - ANSWERS-Multi-
station Access Unit (MAU)
END OF
PAGE
4
ADVANCEMENT EXAM
Which layer of the OSI model addresses the electrical, mechanical, and
functional interface to the carrier? (Page 1-14) - ANSWERS-Physical
Which layer of the OSI model provides error-free transmission of
information over the physical medium? (Page 1-14) - ANSWERS-Data
link
Which layer of the OSI model decides which physical pathway the data
should take? (Page 1-14) - ANSWERS-Network
Which layer of the OSI model ensures data units are delivered error-free,
in sequence, with no losses or duplications? (Page 1-15) - ANSWERS-
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) - ANSWERS-Session
Which layer of the OSI model provides a common representation of data
that can be used between the application processes? (Page 1-15) -
ANSWERS-Presentation
END OF
PAGE
1
, IT2 STUDY LATEST
ADVANCEMENT EXAM
Which layer of the OSI model provides data encryption for privacy and
authentication? (Page 1-15) - ANSWERS-Presentation
Which layer of the OSI model represents the services that directly
support users and application tasks? (Page 1-15) - ANSWERS-
Application
What are the two most common types of twisted-pair media? (Page 1-
16) - ANSWERS-22 and 24 gauge
What is the transmission rate of a T1 line? (Page 1-16) - ANSWERS-1.5
Mbps
What is the transmission rate of a T2 line? (Page 1-16) - ANSWERS-6.3
Mbps
What is the transmission rate of a T3 line? (Page 1-16) - ANSWERS-46
Mbps
END OF
PAGE
2
, IT2 STUDY LATEST
ADVANCEMENT EXAM
What is the transmission rate of a T4 line? (Page 1-16) - ANSWERS-
281 Mbps
Which layer of the OSI model do routers work on? (Page 2-2) -
ANSWERS-3
Which layer of the OSI model do gateways work on? (Page 2-2) -
ANSWERS-7
Which device serves as a common termination point that can relay
signals along the appropriate paths? (Page 2-3) - ANSWERS-Hub
Which type of transmission media is immune to interference caused by
electrical or electronic devices? (Page 2-4) - ANSWERS-Fiber
Which type of cable refers to the cable that forms the main trunk of a
network? (Page 2-8) - ANSWERS-Backbone
How many different types of backbone cable are recognized by
EIA/TIA-568? (Page 2-8) - ANSWERS-4
END OF
PAGE
3
, IT2 STUDY LATEST
ADVANCEMENT EXAM
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) - ANSWERS-Metropolitan Area Network
(MAN)
During the pinging process what is the ping that is sent out called? (Page
1-6) - ANSWERS-Echo message
Which names are reserved by DOS to reserve the first serial and parallel
ports, respectively? (Page 1-6) - ANSWERS-COM1 and LPT1
Which term refers to duplicate hardware and network facility segments
that are available at all times? (Page 1-8) - ANSWERS-Redundancy
What are the three major types of LAN configurations or topologies?
(Page 1-9) - ANSWERS-Star, Bus, and Ring
What is the wiring concentrator which allows workstations to be either
inserted or bypassed on the ring? (Page 1-10) - ANSWERS-Multi-
station Access Unit (MAU)
END OF
PAGE
4
