WGU D315 - PRE-ASSESSMENT: NETWORK AND
SECURITY - FOUNDATIONS EXAM (2026) LATEST
UPDATE WITH VERIFIED Q&A || ALREADY
GRADED A+
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Which OSI layer is related to the Network
function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session
Which OSI layer is responsible for Data Link
organizing how bits are passed over
the physical layer between devices
within the same collision domain?
a. Frame
b. Connection
c. Transport
d. Data Link
,Which OSI layer would define the Transport
scope of a protocol that makes sure
packets of data are received
correctly and resends them if they
are not?
a. Validation
b. Transmission
c. Transport
d. Connection
Which protocol suite performs TCP
functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP
Which type of Ethernet cable can CAT 6a
maintain 10Gbps transmission speeds
through the course of its maximum
100-meter length?
a. CAT 5e
b. CAT 5
c. CAT 3
d. CAT 6a
,Which Internet access technology DSL
uses ordinary telephone wires for
data transmission?
a. DSL
b. Cable
c. Wi-Fi
d. Hotspot
Which device is used to organize Patch Panel
network cables as they run between
switches and other network devices?
a. Jack
b. Hub
c. Patch Panel
d. Router
Which network device is used to Router
connect two or more network
segments by performing OSI layer 3
functions like packet-forwarding?
a. Router
b. Repeater
c. Wire
d. Switch
, Which network device is used to Modem
convert between digital information
from a LAN and analog signals for
transmission over a standard
telephone wire?
a. Repeater
b. Modem
c. Signal Generator
d. Bit Stretcher
Which device could be used to send Dumb Terminals
commands to the mainframe for
remote execution in early mainframe
installations?
a. Distributed Screens
b. Dumb Terminals
c. Execution Displays
d. Command Receivers
Which device is responsible for Router
implementing network address
translation (NAT)?
a. Modem
b. Router
c. NIC
d. Switch
SECURITY - FOUNDATIONS EXAM (2026) LATEST
UPDATE WITH VERIFIED Q&A || ALREADY
GRADED A+
Save Groups
Which OSI layer is related to the Network
function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session
Which OSI layer is responsible for Data Link
organizing how bits are passed over
the physical layer between devices
within the same collision domain?
a. Frame
b. Connection
c. Transport
d. Data Link
,Which OSI layer would define the Transport
scope of a protocol that makes sure
packets of data are received
correctly and resends them if they
are not?
a. Validation
b. Transmission
c. Transport
d. Connection
Which protocol suite performs TCP
functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP
Which type of Ethernet cable can CAT 6a
maintain 10Gbps transmission speeds
through the course of its maximum
100-meter length?
a. CAT 5e
b. CAT 5
c. CAT 3
d. CAT 6a
,Which Internet access technology DSL
uses ordinary telephone wires for
data transmission?
a. DSL
b. Cable
c. Wi-Fi
d. Hotspot
Which device is used to organize Patch Panel
network cables as they run between
switches and other network devices?
a. Jack
b. Hub
c. Patch Panel
d. Router
Which network device is used to Router
connect two or more network
segments by performing OSI layer 3
functions like packet-forwarding?
a. Router
b. Repeater
c. Wire
d. Switch
, Which network device is used to Modem
convert between digital information
from a LAN and analog signals for
transmission over a standard
telephone wire?
a. Repeater
b. Modem
c. Signal Generator
d. Bit Stretcher
Which device could be used to send Dumb Terminals
commands to the mainframe for
remote execution in early mainframe
installations?
a. Distributed Screens
b. Dumb Terminals
c. Execution Displays
d. Command Receivers
Which device is responsible for Router
implementing network address
translation (NAT)?
a. Modem
b. Router
c. NIC
d. Switch
