WGU D315 - PRE-
ASSESSMENT: NETWORK
AND SECURITY -
FOUNDATIONS
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This Exam contains: WGU D315 - PRE-ASSESSMENT:
✓ NETWORK AND SECURITY - FOUNDATIONS
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,Question 1
Which OSI layer is related to the function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session
Correct Answer
Network
Question 2
Which OSI layer is responsible for 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
Correct Answer
Data Link
Question 3
Which OSI layer would define the 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
Correct Answer
Transport
Question 4
Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP
Correct Answer
TCP
Trusted by thousands of students and professionals worldwide Page 2 of 54
,Question 5
Which type of Ethernet cable can 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
Correct Answer
CAT 6a
Question 6
Which Internet access technology uses ordinary telephone wires for data transmission?
a. DSL
b. Cable
c. Wi-Fi
d. Hotspot
Correct Answer
DSL
Question 7
Which device is used to organize network cables as they run between switches and other network devices?
a. Jack
b. Hub
c. Patch Panel
d. Router
Correct Answer
Patch Panel
Question 8
Which network device is used to connect two or more network segments by performing OSI layer 3 functions like
packet-forwarding?
a. Router
b. Repeater
c. Wire
d. Switch
Correct Answer
Router
Trusted by thousands of students and professionals worldwide Page 3 of 54
, Question 9
Which network device is used to 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
Correct Answer
Modem
Question 10
Which device could be used to send commands to the mainframe for remote execution in early mainframe
installations?
a. Distributed Screens
b. Dumb Terminals
c. Execution Displays
d. Command Receivers
Correct Answer
Dumb Terminals
Question 11
Which device is responsible for implementing network address translation (NAT)?
a. Modem
b. Router
c. NIC
d. Switch
Correct Answer
Router
Question 12
Which command produces the following output?
Non-authoritative answer:
Name: www.google.com
Address: 172.217.11.132
a. dig
b. nslookup
d. whois
d. nmap
Correct Answer
nslookup
Trusted by thousands of students and professionals worldwide Page 4 of 54
ASSESSMENT: NETWORK
AND SECURITY -
FOUNDATIONS
200+ (Latest 2025-2026 Edition) 100%
Verified Q&A + Answer Key Solutions
100% Guarantee Pass
This Exam contains: WGU D315 - PRE-ASSESSMENT:
✓ NETWORK AND SECURITY - FOUNDATIONS
✓ 100% Accurate Questions and Answers
✓ 100% Guarantee Pass - Verified by Experts
✓ Each Question Includes The Correct Answer
✓ Expert-Verified
Trusted by thousands of students and professionals worldwide Page 1 of 54
,Question 1
Which OSI layer is related to the function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session
Correct Answer
Network
Question 2
Which OSI layer is responsible for 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
Correct Answer
Data Link
Question 3
Which OSI layer would define the 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
Correct Answer
Transport
Question 4
Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP
Correct Answer
TCP
Trusted by thousands of students and professionals worldwide Page 2 of 54
,Question 5
Which type of Ethernet cable can 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
Correct Answer
CAT 6a
Question 6
Which Internet access technology uses ordinary telephone wires for data transmission?
a. DSL
b. Cable
c. Wi-Fi
d. Hotspot
Correct Answer
DSL
Question 7
Which device is used to organize network cables as they run between switches and other network devices?
a. Jack
b. Hub
c. Patch Panel
d. Router
Correct Answer
Patch Panel
Question 8
Which network device is used to connect two or more network segments by performing OSI layer 3 functions like
packet-forwarding?
a. Router
b. Repeater
c. Wire
d. Switch
Correct Answer
Router
Trusted by thousands of students and professionals worldwide Page 3 of 54
, Question 9
Which network device is used to 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
Correct Answer
Modem
Question 10
Which device could be used to send commands to the mainframe for remote execution in early mainframe
installations?
a. Distributed Screens
b. Dumb Terminals
c. Execution Displays
d. Command Receivers
Correct Answer
Dumb Terminals
Question 11
Which device is responsible for implementing network address translation (NAT)?
a. Modem
b. Router
c. NIC
d. Switch
Correct Answer
Router
Question 12
Which command produces the following output?
Non-authoritative answer:
Name: www.google.com
Address: 172.217.11.132
a. dig
b. nslookup
d. whois
d. nmap
Correct Answer
nslookup
Trusted by thousands of students and professionals worldwide Page 4 of 54
