WGU D481 - Section 2 OA Prep 2025/2026 Exam Questions with 100% Correct Answers | Latest Update

WGU D481 - Section 2 OA Prep
2025/2026 Exam Questions with 100%
Correct Answers | Latest Update



Circuit-switched - 🧠 ANSWER ✔✔Creates a path between source and

destination devices


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


1
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED

,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


2
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED

,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




3
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED

, 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



4
COPYRIGHT@SARAHROSAPERAL 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED