WGU D315 - PRE-ASSESSMENT-
NETWORK AND SECURITY
FOUNDATIONS EXAM QUESTIONS &
VERIFIED CORRECT ANSWERS
RATED 100% COMPLETE
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
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
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
Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP - correct answer ✔✔TCP
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
Which Internet access technology uses ordinary telephone wires for data transmission?
a. DSL
b. Cable
c. Wi-Fi
d. Hotspot - correct answer ✔✔DSL
,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
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
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
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
Which device is responsible for implementing network address translation (NAT)?
a. Modem
b. Router
c. NIC
d. Switch - correct answer ✔✔Router
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
Which command should be used to manually enter the default gateway for a computer?
a. route
b. ipconfig
NETWORK AND SECURITY
FOUNDATIONS EXAM QUESTIONS &
VERIFIED CORRECT ANSWERS
RATED 100% COMPLETE
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
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
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
Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP - correct answer ✔✔TCP
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
Which Internet access technology uses ordinary telephone wires for data transmission?
a. DSL
b. Cable
c. Wi-Fi
d. Hotspot - correct answer ✔✔DSL
,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
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
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
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
Which device is responsible for implementing network address translation (NAT)?
a. Modem
b. Router
c. NIC
d. Switch - correct answer ✔✔Router
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
Which command should be used to manually enter the default gateway for a computer?
a. route
b. ipconfig
