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NCCER Module 33301: Introduction to Networking –
Practice Exam with Correct Answers (2025 Edition)
Active Directory (AD) ......ANSWER........The centralized directory
database that contains user account information and security for
the entire group of computers on a network.
Active Directory Domain Services (AD DS) ......ANSWER........The
active directory service that manages the process that allows a
user to sign on to a network from any computer on the network
and get access that AD allows.
API (Application Protocol Interface) call ......ANSWER........The
process an application uses to make a request of the OS.
Application Layer ......ANSWER........The 7th layer of the OSI
model. Enable software programs to negotiate formatting
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procedural, security, synchronization, and other requirements
with the network.
Application Resolution Protocol (ARP) ......ANSWER........The core
protocol in the TCP/IP suite that belongs in the network layer of
the OSI model. Contains the MAC Physical Address of the host,
or node, and then creates a local database that maps the MAC
to the host IP Logical Address.
Backbone ......ANSWER........The central conduit of a network that
connects network segments and significant shared devices
(routers, switches, and server) and is sometimes referred to as "A
network of networks."
Bandwidth ......ANSWER........1) The amount of traffic, or data
transmission activity, on a network. 2) A measure of the
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difference between the highest and lowest frequencies that a
medium can transmit.
Best-Effort Protocol ......ANSWER........A type of transport layer
protocol that services a request without requiring a verified
session and without guaranteeing delivery of data.
Bus topogy ......ANSWER........A topology in which a single cable
connects all nodes on a network without intervening connectivity
devices.
Call Tracking System ......ANSWER........A software program used
to document technical problems and their resolutions; also known
as help desk software.
Campus Area Network (CAN) ......ANSWER........A network of
connected LANs within a limited geographical area such as the
buildings on a University Campus.
NCCER Module 33301: Introduction to Networking –
Practice Exam with Correct Answers (2025 Edition)
Active Directory (AD) ......ANSWER........The centralized directory
database that contains user account information and security for
the entire group of computers on a network.
Active Directory Domain Services (AD DS) ......ANSWER........The
active directory service that manages the process that allows a
user to sign on to a network from any computer on the network
and get access that AD allows.
API (Application Protocol Interface) call ......ANSWER........The
process an application uses to make a request of the OS.
Application Layer ......ANSWER........The 7th layer of the OSI
model. Enable software programs to negotiate formatting
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procedural, security, synchronization, and other requirements
with the network.
Application Resolution Protocol (ARP) ......ANSWER........The core
protocol in the TCP/IP suite that belongs in the network layer of
the OSI model. Contains the MAC Physical Address of the host,
or node, and then creates a local database that maps the MAC
to the host IP Logical Address.
Backbone ......ANSWER........The central conduit of a network that
connects network segments and significant shared devices
(routers, switches, and server) and is sometimes referred to as "A
network of networks."
Bandwidth ......ANSWER........1) The amount of traffic, or data
transmission activity, on a network. 2) A measure of the
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difference between the highest and lowest frequencies that a
medium can transmit.
Best-Effort Protocol ......ANSWER........A type of transport layer
protocol that services a request without requiring a verified
session and without guaranteeing delivery of data.
Bus topogy ......ANSWER........A topology in which a single cable
connects all nodes on a network without intervening connectivity
devices.
Call Tracking System ......ANSWER........A software program used
to document technical problems and their resolutions; also known
as help desk software.
Campus Area Network (CAN) ......ANSWER........A network of
connected LANs within a limited geographical area such as the
buildings on a University Campus.
