WGU D315 - PRE-ASSESSMENT: NETWORK AND SECURITY –
FOUNDATIONS STUDY GUIDE WITH COMPLETE SOLUTION!!
Which OSI layer is related to the function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session
answers: 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
answers: 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
answers: Transport
Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP
answers: 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
answers: CAT 6a
Which Internet access technology uses ordinary telephone wires for data
transmission?
,a. DSL
b. Cable
c. Wi-Fi
d. Hotspot
answers: 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
answers: 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
, answers: 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
answers: 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
answers: Dumb Terminals
Which device is responsible for implementing network address translation (NAT)?
a. Modem
b. Router
FOUNDATIONS STUDY GUIDE WITH COMPLETE SOLUTION!!
Which OSI layer is related to the function of the IP protocol suite?
a. Transport
b. Network
c. Data Link
d. Session
answers: 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
answers: 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
answers: Transport
Which protocol suite performs functions of OSI layer 4?
a. IPX
b. MAC
c. CSMA/CD
d. TCP
answers: 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
answers: CAT 6a
Which Internet access technology uses ordinary telephone wires for data
transmission?
,a. DSL
b. Cable
c. Wi-Fi
d. Hotspot
answers: 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
answers: 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
, answers: 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
answers: 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
answers: Dumb Terminals
Which device is responsible for implementing network address translation (NAT)?
a. Modem
b. Router
