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WGU D315 Pre-Assessment 2025 | Network and Security Foundations | Verified Answers

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The WGU D315 Pre-Assessment Network and Security Foundations Exam 2025 resource provides accurate, exam-style questions with 100% correct verified answers. Covering networking concepts, security principles, risk management, cryptography, access control, threat mitigation, and foundational cybersecurity knowledge, this study guide supports effective preparation, improves assessment performance, and builds confidence for success in the WGU D315 Network and Security Foundations course.

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WGU D315

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WGU D315

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Institution: WGU D315
Course: WGU D315

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Uploaded on: January 3, 2026
Number of pages: 40
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

Subjects

wgu d315 practice exam
wgu d315 pre assessment exam
wgu d315 network and security
wgu d315 exam questions and answers
wgu it security foundations
network and security foundations

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WGU D315 Pre-Assessment Network And
Security Foundations Exam Questions
With 100% Correct And Verified Answers
100% 2025
WhichlOSIllayerlislrelatedltolthelfunctionloflthelIPlprotocollsuite?

a.lTransport
b.lNetwork
c.lDatalLink
d.lSessionl-lCORRECTlANSWERS-Network

WhichlOSIllayerlislresponsiblelforlorganizinglhowlbitslarelpassedloverlthelphy
sicalllayerlbetweenldeviceslwithinlthelsamelcollisionldomain?

a.lFrame
b.lConnection
c.lTransport
d.lDatalLinkl-lCORRECTlANSWERS-DatalLink

WhichlOSIllayerlwouldldefinelthelscopeloflalprotocollthatlmakeslsurelpacketsl
ofldatalarelreceivedlcorrectlylandlresendslthemlifltheylarelnot?

a.lValidation
b.lTransmission
c.lTransport
d.lConnectionl-lCORRECTlANSWERS-Transport

WhichlprotocollsuitelperformslfunctionsloflOSIllayerl4?

a.lIPX
b.lMAC
c.lCSMA/CD
d.lTCPl-lCORRECTlANSWERS-TCP

WhichltypeloflEthernetlcablelcanlmaintainl10Gbpsltransmissionlspeedslthrou
ghlthelcourseloflitslmaximuml100-meterllength?

a.lCATl5e
b.lCATl5

vendarsol

,c.lCATl3
d.lCATl6al-lCORRECTlANSWERS-CATl6a

WhichlInternetlaccessltechnologyluseslordinaryltelephonelwireslforldataltran
smission?

a.lDSL
b.lCable
c.lWi-Fi
d.lHotspotl-lCORRECTlANSWERS-DSL

Whichldevicelislusedltolorganizelnetworklcableslasltheylrunlbetweenlswitche
slandlotherlnetworkldevices?

a.lJack
b.lHub
c.lPatchlPanel
d.lRouterl-lCORRECTlANSWERS-PatchlPanel

Whichlnetworkldevicelislusedltolconnectltwolorlmorelnetworklsegmentslbylpe
rforminglOSIllayerl3lfunctionsllikelpacket-forwarding?

a.lRouter
b.lRepeater
c.lWire
d.lSwitchl-lCORRECTlANSWERS-Router

WhichlnetworkldevicelislusedltolconvertlbetweenldigitallinformationlfromlalL
ANlandlanaloglsignalslforltransmissionloverlalstandardltelephonelwire?

a.lRepeater
b.lModem
c.lSignallGenerator
d.lBitlStretcherl-lCORRECTlANSWERS-Modem

Whichldevicelcouldlbelusedltolsendlcommandsltolthelmainframelforlremotele
xecutionlinlearlylmainframelinstallations?

a.lDistributedlScreens
b.lDumblTerminals
c.lExecutionlDisplays
d.lCommandlReceiversl-lCORRECTlANSWERS-DumblTerminals

Whichldevicelislresponsiblelforlimplementinglnetworkladdressltranslationl(N
AT)?

vendarsol

,a.lModem
b.lRouter
c.lNIC
d.lSwitchl-lCORRECTlANSWERS-Router

Whichlcommandlproduceslthelfollowingloutput?
Non-authoritativelanswer:
lName:lwww.google.com

lAddress:l172.217.11.132

a.ldig
b.lnslookup
d.lwhois
d.lnmapl-lCORRECTlANSWERS-nslookup

Whichlcommandlshouldlbelusedltolmanuallylenterltheldefaultlgatewaylforlalc
omputer?

a.lroute
b.lipconfig
c.larp
d.lnetstatl-lCORRECTlANSWERS-route

Whichlnetworkldiagnosticltoolldisplayslthelpathlpacketsltakelbetweenltwolen
dpoints?

a.lifconfig
b.ltraceroute
c.lftp
d.lnslookupl-lCORRECTlANSWERS-traceroute

WhichlnetworkltypelislusedltolwirelmultiplelPCsltolalhomelrouter?

a.lLAN
b.lPAN
c.lMAN
d.lWANl-lCORRECTlANSWERS-LAN

Anloffice'slinfrastructurelconnectslnetworkldeviceslandlprinterslthroughlalce
ntrallaccesslpointlwithoutltheluseloflcabling.lWhichlnetworkltypeldoeslthisloff
iceluse?

a.lWLAN
b.lWAN

vendarsol

, c.lCAN
d.lSANl-lCORRECTlANSWERS-WLAN

Whatltypeloflmediumlislcommonlylusedlwithinlal1000lMbpslEthernetlnetwork
?

a.lCATl5
b.lCAT5e
c.lCoax
d.lWirelessl-lCORRECTlANSWERS-CAT5e

Whichlnetworkltopologylislshownlinlthelfollowingldiagram?

a.lFulllmesh
b.lStar
c.lBus
d.lRingl-lCORRECTlANSWERS-FulllMesh

Whichlnetworkltopologylislbeinglimplementedlwhenleachlnodelconnectsltolex
actlyltwolotherlnodes,lforminglalsinglelcontinuouslpathwaylforlsignalslthrou
ghleachlnode?

a.lStar
b.lFulllMesh
c.lRingl
d.lBusl-lCORRECTlANSWERS-Ring

InlwhichlphysicallLANltopologylarelnodeslconnectedltoleachlotherlwithlalback
bonelcablelthatlloopslaroundlandlendslatlthelsamelpointlitlstarted?

a.lRing
b.lBus
c.lStarl
d.lTreel-lCORRECTlANSWERS-Ring

WhichlOSIllayerlensureslerror-freelpackets?

a.lApplicationl
b.lTransport
c.lSession
d.lPresentationl-lCORRECTlANSWERS-Transport

Whichltopologyluseslalswitchlorlhubltolconnectltolallldeviceslinlthelsamelnetw
ork?

vendarsol

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WGU D315 Pre-Assessment 2025 | Network and Security Foundations | Verified Answers

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