WGU C172 Network And Security
Foundations Pre-Assessment ( Updated
2026/2027 ) 1-200 Complete Questions &
Answers (Solved) 100% Correct Graded
A+
Which OSI(Open Systems Interconnection
model) layer is related to the function of the IP
protocol suite?
Network
Which OSI(Open Systems Interconnection
model) layer is responsible for organizing how
bits are passed over the physical layer between
devices within the same collision domain?
Data link
,Which OSI(Open Systems Interconnection
model) layer would define the scope of a
protocol that makes sure packets of data are
received correctly and resends them if they are
not?
Transport
Which protocol suite performs functions of
OSI(Open Systems Interconnection model) layer
4?
TCP(Transmission Control Protocol)
Which type of Ethernet cable can maintain
10Gbps transmission speeds through the course
of its maximum 100-meter length?
CAT 6a
Which Internet access technology uses ordinary
telephone wires for data transmission?
DSL(Digital Subscriber Line)
,Which device is used to organize network cables
as they run between switches and other network
devices?
Patch panel
Which network device is used to connect two or
more network segments by performing OSI layer
3 functions like packet-forwarding?
Router
Which network device is used to convert
between digital information from a LAN and
analog signals for
transmission over a standard telephone wire?
Modem
Which device could be used to send commands
to the mainframe for remote execution in early
mainframe
installations?
Dumb terminals
, Which device is responsible for implementing
network address translation (NAT)?
Router
Which command produces the following output?
Non-authoritative answer:
Name: www.google.com
Address: 172.217.11.132
nslookup
Which command should be used to manually
enter the default gateway for a computer?
route
Which network diagnostic tool displays the path
packets take between two endpoints?
raceroute
Which network type is used to wire multiple PCs
to a home router?
LAN(Local Area Network)
Foundations Pre-Assessment ( Updated
2026/2027 ) 1-200 Complete Questions &
Answers (Solved) 100% Correct Graded
A+
Which OSI(Open Systems Interconnection
model) layer is related to the function of the IP
protocol suite?
Network
Which OSI(Open Systems Interconnection
model) layer is responsible for organizing how
bits are passed over the physical layer between
devices within the same collision domain?
Data link
,Which OSI(Open Systems Interconnection
model) layer would define the scope of a
protocol that makes sure packets of data are
received correctly and resends them if they are
not?
Transport
Which protocol suite performs functions of
OSI(Open Systems Interconnection model) layer
4?
TCP(Transmission Control Protocol)
Which type of Ethernet cable can maintain
10Gbps transmission speeds through the course
of its maximum 100-meter length?
CAT 6a
Which Internet access technology uses ordinary
telephone wires for data transmission?
DSL(Digital Subscriber Line)
,Which device is used to organize network cables
as they run between switches and other network
devices?
Patch panel
Which network device is used to connect two or
more network segments by performing OSI layer
3 functions like packet-forwarding?
Router
Which network device is used to convert
between digital information from a LAN and
analog signals for
transmission over a standard telephone wire?
Modem
Which device could be used to send commands
to the mainframe for remote execution in early
mainframe
installations?
Dumb terminals
, Which device is responsible for implementing
network address translation (NAT)?
Router
Which command produces the following output?
Non-authoritative answer:
Name: www.google.com
Address: 172.217.11.132
nslookup
Which command should be used to manually
enter the default gateway for a computer?
route
Which network diagnostic tool displays the path
packets take between two endpoints?
raceroute
Which network type is used to wire multiple PCs
to a home router?
LAN(Local Area Network)
