WGU D315 OA EXAM 2 2026 FULL SOLVED
QUESTIONS ANSWERS COMPUTER
ARCHITECTURE REVIEW SHEET
◉ In a client/server architecture, the configuration is :
Answer: Centralized, with configuration performed on a central
server and disseminated to all devices.
◉ How do OSI and TCP/IP model layer counts compare?
Answer: OSI has 7 layers; TCP/IP has 4
◉ Compared to Twisted Pair cables, Fiber Optic cables offer...
Answer: Enhanced data transmission speed and extended cabling
distance
◉ Arouter primary purpose in a network is:
Answer: To route data packets between multiple networks
◉ Put the OSI layers in the correct order starting with layer 7 and
going down...
Answer: 1 - Application
2 - Presentation
,3 - Session
4 - Transport
5 - Network
6 - Data Link
7 - Physical
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◉ How is a community cloud defined?
Answer: Shared among multiple organizations with similar
objectives
◉ At which OSI model layer does connection management
(connection establishment, maintenance, and teardown) with
remote devices occur?
Answer: Session Layer
◉ What does Infastructure as a Service (IaaS) offer consumers?
Answer: Computing resources in a virtualized form over the internet
◉ An IP Address functions at which OSI model layer?
Answer: Network Layer
,◉ To obtain the IP Address of a Windows machine, which command
is necessary?
Answer: Ipconfig
◉ For wireless LAN connectivity, which device is typically used?
Answer: Wireless Access Point (WAP)
◉ In cloud computing, what defines the hybrid cloud model in terms
of where IT assets are located?
Answer: Mix of on-premises and cloud-based services for IT assets
◉ Comparing device roles in P2P and client/server networks
regarding resource sharing:
Answer: P2P networks see devices solely as requesters,
client/server as providers
◉ Which network topology enables multiple paths between any two
devices to safeguard against link failure?
Answer: Mesh
◉ Highlight a principal advantage of Software as a Service (SaaS).
Answer: No need for individual installations or updates
, ◉ Which command is employed for DNS resolution of a domain
name to its IP address?
Answer: Nslookup
◉ To follow the journey of packets from origin to detination on
Windows, which command is applied?
Answer: Tracert
◉ Which situation are STP cables preferred over UTP cables?
Answer: In enviroments with significant electromagnetic
interfrerence
◉ Identify a type of UDP cable...
Answer: Cat6 Cable
◉ Within a client/server architecture, the role of client devices is to:
Answer: Request and utilize server-provided services
◉ At which OSI model layer does the MAC (Media Access Control)
Address operate?
Answer: Data link
◉ What function does a firewall serve in a network?
QUESTIONS ANSWERS COMPUTER
ARCHITECTURE REVIEW SHEET
◉ In a client/server architecture, the configuration is :
Answer: Centralized, with configuration performed on a central
server and disseminated to all devices.
◉ How do OSI and TCP/IP model layer counts compare?
Answer: OSI has 7 layers; TCP/IP has 4
◉ Compared to Twisted Pair cables, Fiber Optic cables offer...
Answer: Enhanced data transmission speed and extended cabling
distance
◉ Arouter primary purpose in a network is:
Answer: To route data packets between multiple networks
◉ Put the OSI layers in the correct order starting with layer 7 and
going down...
Answer: 1 - Application
2 - Presentation
,3 - Session
4 - Transport
5 - Network
6 - Data Link
7 - Physical
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◉ How is a community cloud defined?
Answer: Shared among multiple organizations with similar
objectives
◉ At which OSI model layer does connection management
(connection establishment, maintenance, and teardown) with
remote devices occur?
Answer: Session Layer
◉ What does Infastructure as a Service (IaaS) offer consumers?
Answer: Computing resources in a virtualized form over the internet
◉ An IP Address functions at which OSI model layer?
Answer: Network Layer
,◉ To obtain the IP Address of a Windows machine, which command
is necessary?
Answer: Ipconfig
◉ For wireless LAN connectivity, which device is typically used?
Answer: Wireless Access Point (WAP)
◉ In cloud computing, what defines the hybrid cloud model in terms
of where IT assets are located?
Answer: Mix of on-premises and cloud-based services for IT assets
◉ Comparing device roles in P2P and client/server networks
regarding resource sharing:
Answer: P2P networks see devices solely as requesters,
client/server as providers
◉ Which network topology enables multiple paths between any two
devices to safeguard against link failure?
Answer: Mesh
◉ Highlight a principal advantage of Software as a Service (SaaS).
Answer: No need for individual installations or updates
, ◉ Which command is employed for DNS resolution of a domain
name to its IP address?
Answer: Nslookup
◉ To follow the journey of packets from origin to detination on
Windows, which command is applied?
Answer: Tracert
◉ Which situation are STP cables preferred over UTP cables?
Answer: In enviroments with significant electromagnetic
interfrerence
◉ Identify a type of UDP cable...
Answer: Cat6 Cable
◉ Within a client/server architecture, the role of client devices is to:
Answer: Request and utilize server-provided services
◉ At which OSI model layer does the MAC (Media Access Control)
Address operate?
Answer: Data link
◉ What function does a firewall serve in a network?
