WGU C172 NETWORK AND
SECURITY FOUNDATIONS FINAL
OBJECTIVE ASSESSMENT 2026
QUESTIONS WITH VERIFIED
ANSWERS
Which OSI(Open Systems Interconnection
model) layer is related to the function of
the IP protocol suite? --PRECISE ANS-- -
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? --PRECISE ANS-- - 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? --PRECISE ANS-- -
Transport
,Which protocol suite performs
functions of OSI(Open Systems
Interconnection model) layer 4? --
PRECISE ANS-- -
TCP(Transmission Control Protocol)
Which type of Ethernet cable can maintain
10Gbps transmission speeds through the
course of its maximum 100-meter length? --
PRECISE ANS--
- CAT 6a
Which Internet access technology uses
ordinary telephone wires for data
transmission? --PRECISE ANS-- - DSL(Digital
Subscriber Line)
Which device is used to organize network
cables as they run between switches and
other network devices? --PRECISE ANS-- -
Patch panel
Which network device is used to connect two
or more network segments by performing OSI
layer 3 functions like packet-forwarding? --
PRECISE ANS-- - Router
, Which network device is used to convert
between digital information from a LAN and
analog signals for
transmission over a standard telephone
wire? --PRECISE ANS--
- Modem
Which device could be used to send commands
to the mainframe for remote execution in
early mainframe
installations? --PRECISE ANS-- - Dumb terminals
Which device is responsible for implementing
network address translation (NAT)? --PRECISE
ANS-- - Router
Which command produces the
following output? Non-
authoritative answer:
Name: www.google.com
Address: 172.217.11.132 --PRECISE ANS-- -
nslookup
SECURITY FOUNDATIONS FINAL
OBJECTIVE ASSESSMENT 2026
QUESTIONS WITH VERIFIED
ANSWERS
Which OSI(Open Systems Interconnection
model) layer is related to the function of
the IP protocol suite? --PRECISE ANS-- -
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? --PRECISE ANS-- - 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? --PRECISE ANS-- -
Transport
,Which protocol suite performs
functions of OSI(Open Systems
Interconnection model) layer 4? --
PRECISE ANS-- -
TCP(Transmission Control Protocol)
Which type of Ethernet cable can maintain
10Gbps transmission speeds through the
course of its maximum 100-meter length? --
PRECISE ANS--
- CAT 6a
Which Internet access technology uses
ordinary telephone wires for data
transmission? --PRECISE ANS-- - DSL(Digital
Subscriber Line)
Which device is used to organize network
cables as they run between switches and
other network devices? --PRECISE ANS-- -
Patch panel
Which network device is used to connect two
or more network segments by performing OSI
layer 3 functions like packet-forwarding? --
PRECISE ANS-- - Router
, Which network device is used to convert
between digital information from a LAN and
analog signals for
transmission over a standard telephone
wire? --PRECISE ANS--
- Modem
Which device could be used to send commands
to the mainframe for remote execution in
early mainframe
installations? --PRECISE ANS-- - Dumb terminals
Which device is responsible for implementing
network address translation (NAT)? --PRECISE
ANS-- - Router
Which command produces the
following output? Non-
authoritative answer:
Name: www.google.com
Address: 172.217.11.132 --PRECISE ANS-- -
nslookup
