WGU D481 SECTION 2 OA EXAM 2026
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⫸ Extranet Answer: Private network for authorized external users to
share information
⫸ Internet Protocol (IP) Answer: Delivers packets across networks by
handling routing decisions
⫸ Internet Protocol (IP) Suite Answer: Another name for the TCP/IP
suite
⫸ Internetworking Answer: Connecting multiple computer networks
⫸ Intranet Answer: Private, internal network
⫸ Logical Topology Answer: Shows how devices connect to a specific
segment of the network
⫸ Network Topology Answer: Map of a network and how devices are
connected
⫸ Open Systems Interconnection (OSI) Reference Model Answer:
Framework of standards for computer system communication
,⫸ Packet-switched Answer: Networks that transmit packets as
individual messages
⫸ Physical Topology Answer: Physical network devices and devices
used to connect
⫸ Point-to-point Network Answer: Network consisting only of directly
connected computers and devices
⫸ Transmission Control Protocol (TCP) Answer: Guarantees reliable
data stream between two computers
⫸ Transmission Control Protocol/Internet Protocol (TCP/IP) Reference
Model Answer: Descriptive framework for computer network protocols
⫸ Transmission Control Protocol/Internet Protocol (TCP/IP) Suite
Answer: Collection that provides support to internet-capable systems
and devices
⫸ Data Link Layer Answer: Second layer of the OSI model, also called
Layer 2
⫸ Bridges Answer: Network devices that interconnect two or more
LANs
,⫸ Ethernet Answer: Wired system for connecting devices in local area
networks
⫸ Hub Answer: Hardware device that connects multiple networking
devices
⫸ IEEE 802.3 Standards Answer: Ethernet standards and protocols
established by IEEE
⫸ IEEE 802.3 CSMA/CD Standards Answer: Standard specifications
for Ethernet
⫸ Physical Layer Answer: First layer of the OSI model, also called
Layer 1
⫸ Protocol Answer: Established set of rules for data transmission across
devices
⫸ Redundancy Answer: Providing alternate means for network to
continue functioning
⫸ Repeater Answer: Device that receives and amplifies a signal
⫸ Resilience Answer: Ability to continue providing acceptable service
despite challenges
, ⫸ Structured Wiring System Answer: Modular cable solution that is
flexible
⫸ Switches Answer: Networking equipment that allows multiple
devices to communicate
⫸ Connection-oriented Protocol Answer: Sets up a connection between
source and destination
⫸ Connectionless Protocol Answer: Treats each connection individually
⫸ Datagram Answer: Packets transmitted across networks
⫸ Internet Assigned Numbers Authority (IANA) Answer: Organization
overseeing IP address allocations
⫸ Network Address Translation (NAT) Answer: Maps local private
addresses to public ones
⫸ ARPANET Answer: Computer network developed by the
Department of Defense
⫸ Layer 2 Tunneling Protocol (L2TP) Answer: Protocol supporting
virtual private networks (VPNs)
BUNDLED MATERIAL FULL PREPARATION
⫸ Extranet Answer: Private network for authorized external users to
share information
⫸ Internet Protocol (IP) Answer: Delivers packets across networks by
handling routing decisions
⫸ Internet Protocol (IP) Suite Answer: Another name for the TCP/IP
suite
⫸ Internetworking Answer: Connecting multiple computer networks
⫸ Intranet Answer: Private, internal network
⫸ Logical Topology Answer: Shows how devices connect to a specific
segment of the network
⫸ Network Topology Answer: Map of a network and how devices are
connected
⫸ Open Systems Interconnection (OSI) Reference Model Answer:
Framework of standards for computer system communication
,⫸ Packet-switched Answer: Networks that transmit packets as
individual messages
⫸ Physical Topology Answer: Physical network devices and devices
used to connect
⫸ Point-to-point Network Answer: Network consisting only of directly
connected computers and devices
⫸ Transmission Control Protocol (TCP) Answer: Guarantees reliable
data stream between two computers
⫸ Transmission Control Protocol/Internet Protocol (TCP/IP) Reference
Model Answer: Descriptive framework for computer network protocols
⫸ Transmission Control Protocol/Internet Protocol (TCP/IP) Suite
Answer: Collection that provides support to internet-capable systems
and devices
⫸ Data Link Layer Answer: Second layer of the OSI model, also called
Layer 2
⫸ Bridges Answer: Network devices that interconnect two or more
LANs
,⫸ Ethernet Answer: Wired system for connecting devices in local area
networks
⫸ Hub Answer: Hardware device that connects multiple networking
devices
⫸ IEEE 802.3 Standards Answer: Ethernet standards and protocols
established by IEEE
⫸ IEEE 802.3 CSMA/CD Standards Answer: Standard specifications
for Ethernet
⫸ Physical Layer Answer: First layer of the OSI model, also called
Layer 1
⫸ Protocol Answer: Established set of rules for data transmission across
devices
⫸ Redundancy Answer: Providing alternate means for network to
continue functioning
⫸ Repeater Answer: Device that receives and amplifies a signal
⫸ Resilience Answer: Ability to continue providing acceptable service
despite challenges
, ⫸ Structured Wiring System Answer: Modular cable solution that is
flexible
⫸ Switches Answer: Networking equipment that allows multiple
devices to communicate
⫸ Connection-oriented Protocol Answer: Sets up a connection between
source and destination
⫸ Connectionless Protocol Answer: Treats each connection individually
⫸ Datagram Answer: Packets transmitted across networks
⫸ Internet Assigned Numbers Authority (IANA) Answer: Organization
overseeing IP address allocations
⫸ Network Address Translation (NAT) Answer: Maps local private
addresses to public ones
⫸ ARPANET Answer: Computer network developed by the
Department of Defense
⫸ Layer 2 Tunneling Protocol (L2TP) Answer: Protocol supporting
virtual private networks (VPNs)
