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Wgu D325 Networks Updated Actual Questions And Correct Answers Comprehensive Study Guide

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WGU D325 NETWORKS UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS COMPREHENSIVE STUDY GUIDE

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WGU D325 NETWORKS UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
COMPREHENSIVE STUDY GUIDE

●● Physical Layer
Answer: Transmits raw bits over physical medium


●● Data Link Layer
Answer: Handles MAC addressing and frame delivery


●● Network Layer
Answer: Handles IP addressing and routing


●● Transport Layer
Answer: Provides reliable (TCP) or unreliable (UDP) delivery


●● Session Layer
Answer: Manages sessions between applications


●● Presentation Layer
Answer: Encryption, compression, formatting

, ●● Application Layer
Answer: User-facing network services


●● TCP/IP Model
Answer: 4-layer practical networking model


●● Encapsulation
Answer: Wrapping data with headers as it moves down OSI layers


●● Decapsulation
Answer: Removing headers as data moves up OSI layers


●● IPv4 Address
Answer: 32-bit address written in dotted decimal


●● IPv6 Address
Answer: 128-bit address written in hexadecimal


●● Private IP Range (Class A)
Answer: 10.0.0.0 - 10.255.255.255

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