WGU D481 - Section 2 OA prep Study Guide Questions With Correct Answers.

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 una