WGU D315 - PRE-ASSESSMENT:
NETWORK AND SECURITY –
FOUNDATIONS QUESTIONS
COMPLETE WITH CORRECT
ANSWERS
\Q\.Which OSI layer is related to the function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session - ANSWERS✔-Network
\Q\.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 - ANSWERS✔-Data Link
\Q\.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 - ANSWERS✔-Transport
\Q\.Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP - ANSWERS✔-TCP
\Q\.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 - ANSWERS✔-CAT 6a
\Q\.Which Internet access technology uses ordinary telephone wires for data transmission?
a. DSL
b. Cable
c. Wi-Fi
d. Hotspot - ANSWERS✔-DSL
,\Q\.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 - ANSWERS✔-Patch Panel
\Q\.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 - ANSWERS✔-Router
\Q\.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 - ANSWERS✔-Modem
\Q\.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 - ANSWERS✔-Dumb Terminals
\Q\.Which device is responsible for implementing network address translation (NAT)?
a. Modem
b. Router
c. NIC
d. Switch - ANSWERS✔-Router
\Q\.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 - ANSWERS✔-nslookup
\Q\.Which command should be used to manually enter the default gateway for a computer?
a. route
NETWORK AND SECURITY –
FOUNDATIONS QUESTIONS
COMPLETE WITH CORRECT
ANSWERS
\Q\.Which OSI layer is related to the function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session - ANSWERS✔-Network
\Q\.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 - ANSWERS✔-Data Link
\Q\.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 - ANSWERS✔-Transport
\Q\.Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP - ANSWERS✔-TCP
\Q\.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 - ANSWERS✔-CAT 6a
\Q\.Which Internet access technology uses ordinary telephone wires for data transmission?
a. DSL
b. Cable
c. Wi-Fi
d. Hotspot - ANSWERS✔-DSL
,\Q\.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 - ANSWERS✔-Patch Panel
\Q\.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 - ANSWERS✔-Router
\Q\.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 - ANSWERS✔-Modem
\Q\.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 - ANSWERS✔-Dumb Terminals
\Q\.Which device is responsible for implementing network address translation (NAT)?
a. Modem
b. Router
c. NIC
d. Switch - ANSWERS✔-Router
\Q\.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 - ANSWERS✔-nslookup
\Q\.Which command should be used to manually enter the default gateway for a computer?
a. route
