WGU D315 OA EXAM 2 2026 COMPLETE
QUESTIONS AND SOLUTIONS GRADED A PLUS
OPERATING SYSTEMS FOUNDATIONS STUDY
GUIDE
◉ The Presentaion layers role in the OSI model includes...
Answer: Formatting, Encrypting and Decrypting Data
◉ In which network topology do packets navigate device-to-device
until reaching their destination?
Answer: Ring
◉ Which cloud deployment often utilizes exclusive (non-shared)
hardware?
Answer: Private Cloud
◉ Which network type is commonly emplyoed for device
interconnection within a single building?
Answer: Local Area Network (LAN)
◉ In Peer-to-Peer (P2P) architecture, configuration is :
,Answer: Decentralized, with each device requiring individual
configuration
◉ To verify a computers network connection and responsiveness,
which command is suitable for a network technician?
Answer: Ping
◉ To link multiple buildings, which network type is utilized?
Answer: Campus Area Network (CAN)
◉ Which network type is used for short-distance device
communication, such as connecting wireless earbuds to a
smartphone?
Answer: Personal Area Network (PAN)
◉ To inspect active TCP connections on a Windows PC, which
command is appropriate for a network admin?
Answer: Netstart
◉ 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?
QUESTIONS AND SOLUTIONS GRADED A PLUS
OPERATING SYSTEMS FOUNDATIONS STUDY
GUIDE
◉ The Presentaion layers role in the OSI model includes...
Answer: Formatting, Encrypting and Decrypting Data
◉ In which network topology do packets navigate device-to-device
until reaching their destination?
Answer: Ring
◉ Which cloud deployment often utilizes exclusive (non-shared)
hardware?
Answer: Private Cloud
◉ Which network type is commonly emplyoed for device
interconnection within a single building?
Answer: Local Area Network (LAN)
◉ In Peer-to-Peer (P2P) architecture, configuration is :
,Answer: Decentralized, with each device requiring individual
configuration
◉ To verify a computers network connection and responsiveness,
which command is suitable for a network technician?
Answer: Ping
◉ To link multiple buildings, which network type is utilized?
Answer: Campus Area Network (CAN)
◉ Which network type is used for short-distance device
communication, such as connecting wireless earbuds to a
smartphone?
Answer: Personal Area Network (PAN)
◉ To inspect active TCP connections on a Windows PC, which
command is appropriate for a network admin?
Answer: Netstart
◉ 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?
