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