WGU D481 - Section 2 OA prep Questions with Complete Solutions Circuit-switched - Correct Answers Creates a path between source and destination devices Extranet - Correct Answers Private network for authorized external users to share information Internet Protocol (IP) - Correct Answers Delivers packets across networks by handling routing decisions Internet Protocol (IP) Suite - Correct Answers Another name for the TCP/IP suite Internetworking - Correct Answers Connecting multiple computer networks Intranet - Correct Answers Private, internal network Logical Topology - Correct Answers Shows how devices connect to a specific segment of the network Network Topology - Correct Answers Map of a network and how devices are connected Open Systems Interconnection (OSI) Reference Model - Correct Answers Framework of standards for computer system communication Packet-switched - Correct Answers Networks that transmit packets as individual messages Physical Topology - Correct Answers Physical network devices and devices used to connect Point-to-point Network - Correct Answers Network consisting only of directly connected computers and devices Transmission Control Protocol (TCP) - Correct Answers Guarantees reliable data stream between two computers 1 / 3
Transmission Control Protocol/Internet Protocol (TCP/IP) Reference Model - Correct Answers Descriptive framework for computer network protocols Transmission Control Protocol/Internet Protocol (TCP/IP) Suite - Correct Answers Collection that provides support to internet-capable systems and devices Data Link Layer - Correct Answers Second layer of the OSI model, also called Layer 2 Bridges - Correct Answers Network devices that interconnect two or more LANs Ethernet - Correct Answers Wired system for connecting devices in local area networks Hub - Correct Answers Hardware device that connects multiple networking devices IEEE 802.3 Standards - Correct Answers Ethernet standards and protocols established by IEEE IEEE 802.3 CSMA/CD Standards - Correct Answers Standard specifications for Ethernet Physical Layer - Correct Answers First layer of the OSI model, also called Layer 1 Protocol - Correct Answers Established set of rules for data transmission across devices Redundancy - Correct Answers Providing alternate means for network to continue functioning Repeater - Correct Answers Device that receives and amplifies a signal Resilience - Correct Answers Ability to continue providing acceptable service despite challenges Structured Wiring System - Correct Answers Modular cable solution that is flexible Switches - Correct Answers Networking equipment that allows multiple devices to communicate 2 / 3
Connection-oriented Protocol - Correct Answers Sets up a connection between source and destination Connectionless Protocol - Correct Answers Treats each connection individually Datagram - Correct Answers Packets transmitted across networks Internet Assigned Numbers Authority (IANA) - Correct Answers Organization overseeing IP address allocations Network Address Translation (NAT) - Correct Answers Maps local private addresses to public ones ARPANET - Correct Answers Computer network developed by the Department of Defense Layer 2 Tunneling Protocol (L2TP) - Correct Answers Protocol supporting virtual private networks (VPNs) Web Browser - Correct Answers Protocol to link all resources together SMTP - Correct Answers 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 Answers Spoofing is a vulnerability associated with SMTP where an attacker impersonates a trusted entity to gain unauthorized access.Spamming - Correct Answers Spamming is a vulnerability associated with SMTP where an attacker sends unsolicited bulk emails.TFTP - Correct Answers Trivial File Transfer Protocol (TFTP) operates on UDP port 69 and is used to transfer router configuration files and configure cable modems.Authentication - Correct Answers Authentication is the process of verifying the identity of a user or system before granting access to resources.
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