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