WGU D315 - PRE-ASSESSMENT:
NETWORK AND SECURITY –
FOUNDATIONS EXAM 2026/2027 WITH
205 QUESTIONS AND QUESTIONS AND
EXPERT-VERIFIED CORRECT
ANSWERS | WGU D315 LATEST EXAM
Which network topology is shown in the following diagram?
a. Full mesh
b. Star
c. Bus
d. Ring - CORRECT ANSWER-Full Mesh
Which network topology is being implemented when each node connects to
exactly two other nodes, forming a single continuous pathway for signals through
each node?
a. Star
b. Full Mesh
c. Ring
,d. Bus - CORRECT ANSWER-Ring
In which physical LAN topology are nodes connected to each other with a
backbone cable that loops around and ends at the same point it started?
a. Ring
b. Bus
c. Star
d. Tree - CORRECT ANSWER-Ring
Which OSI layer ensures error-free packets?
a. Application
b. Transport
c. Session
d. Presentation - CORRECT ANSWER-Transport
Which topology uses a switch or hub to connect to all devices in the same
network?
a. Mesh
b. Ring
c. Star
d. Bus - CORRECT ANSWER-Star
,Which cloud service provides hardware, operating systems, and web servers but
not end-user applications?
a. IaaS
b. PaaS
c. SaaS
d. RaaS - CORRECT ANSWER-PaaS
Which cloud model provides an exclusive cloud computing service environment
that is shared between two or more organizations?
a. Public
b. Private
c. Community
d. Hybrid - CORRECT ANSWER-Community
Which type of software is used to provide virtualization?
a. Database
b. Hypervisor
c. Antivirus
d. Spreadsheet - CORRECT ANSWER-Hypervisor
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
NETWORK AND SECURITY –
FOUNDATIONS EXAM 2026/2027 WITH
205 QUESTIONS AND QUESTIONS AND
EXPERT-VERIFIED CORRECT
ANSWERS | WGU D315 LATEST EXAM
Which network topology is shown in the following diagram?
a. Full mesh
b. Star
c. Bus
d. Ring - CORRECT ANSWER-Full Mesh
Which network topology is being implemented when each node connects to
exactly two other nodes, forming a single continuous pathway for signals through
each node?
a. Star
b. Full Mesh
c. Ring
,d. Bus - CORRECT ANSWER-Ring
In which physical LAN topology are nodes connected to each other with a
backbone cable that loops around and ends at the same point it started?
a. Ring
b. Bus
c. Star
d. Tree - CORRECT ANSWER-Ring
Which OSI layer ensures error-free packets?
a. Application
b. Transport
c. Session
d. Presentation - CORRECT ANSWER-Transport
Which topology uses a switch or hub to connect to all devices in the same
network?
a. Mesh
b. Ring
c. Star
d. Bus - CORRECT ANSWER-Star
,Which cloud service provides hardware, operating systems, and web servers but
not end-user applications?
a. IaaS
b. PaaS
c. SaaS
d. RaaS - CORRECT ANSWER-PaaS
Which cloud model provides an exclusive cloud computing service environment
that is shared between two or more organizations?
a. Public
b. Private
c. Community
d. Hybrid - CORRECT ANSWER-Community
Which type of software is used to provide virtualization?
a. Database
b. Hypervisor
c. Antivirus
d. Spreadsheet - CORRECT ANSWER-Hypervisor
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
