WGU D315 Pre-Assessment
Network And Security
Foundations Exam Questions With
Correct Answers
WhichlOSIllayerlislrelatedltolthelfunctionloflthelIPlprotocolls
uite?
a.lTransport
b.lNetwork
c.lDatalLink
d.lSessionl-lCORRECTlANSWERS-Network
WhichlOSIllayerlislresponsiblelforlorganizinglhowlbitslarelpa
ssedloverlthelphysicalllayerlbetweenldeviceslwithinlthelsamel
collisionldomain?
a.lFrame
b.lConnection
c.lTransport
d.lDatalLinkl-lCORRECTlANSWERS-DatalLink
WhichlOSIllayerlwouldldefinelthelscopeloflalprotocollthatlma
keslsurelpacketslofldatalarelreceivedlcorrectlylandlresendslt
hemlifltheylarelnot?
a.lValidation
b.lTransmission
c.lTransport
d.lConnectionl-lCORRECTlANSWERS-Transport
WhichlprotocollsuitelperformslfunctionsloflOSIllayerl4?
a.lIPX
vendarsol
,b.lMAC
c.lCSMA/CD
d.lTCPl-lCORRECTlANSWERS-TCP
WhichltypeloflEthernetlcablelcanlmaintainl10Gbpsltransmiss
ionlspeedslthroughlthelcourseloflitslmaximuml100-
meterllength?
a.lCATl5e
b.lCATl5
c.lCATl3
d.lCATl6al-lCORRECTlANSWERS-CATl6a
WhichlInternetlaccessltechnologyluseslordinaryltelephonelw
ireslforldataltransmission?
a.lDSL
b.lCable
c.lWi-Fi
d.lHotspotl-lCORRECTlANSWERS-DSL
Whichldevicelislusedltolorganizelnetworklcableslasltheylrunl
betweenlswitcheslandlotherlnetworkldevices?
a.lJack
b.lHub
c.lPatchlPanel
d.lRouterl-lCORRECTlANSWERS-PatchlPanel
Whichlnetworkldevicelislusedltolconnectltwolorlmorelnetwor
klsegmentslbylperforminglOSIllayerl3lfunctionsllikelpacket-
forwarding?
a.lRouter
b.lRepeater
c.lWire
d.lSwitchl-lCORRECTlANSWERS-Router
vendarsol
,Whichlnetworkldevicelislusedltolconvertlbetweenldigitallinfo
rmationlfromlalLANlandlanaloglsignalslforltransmissionlover
lalstandardltelephonelwire?
a.lRepeater
b.lModem
c.lSignallGenerator
d.lBitlStretcherl-lCORRECTlANSWERS-Modem
Whichldevicelcouldlbelusedltolsendlcommandsltolthelmainfr
amelforlremotelexecutionlinlearlylmainframelinstallations?
a.lDistributedlScreens
b.lDumblTerminals
c.lExecutionlDisplays
d.lCommandlReceiversl-lCORRECTlANSWERS-
DumblTerminals
Whichldevicelislresponsiblelforlimplementinglnetworkladdre
ssltranslationl(NAT)?
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
Whichlcommandlshouldlbelusedltolmanuallylenterltheldefaul
tlgatewaylforlalcomputer?
vendarsol
, a.lroute
b.lipconfig
c.larp
d.lnetstatl-lCORRECTlANSWERS-route
Whichlnetworkldiagnosticltoolldisplayslthelpathlpacketsltak
elbetweenltwolendpoints?
a.lifconfig
b.ltraceroute
c.lftp
d.lnslookupl-lCORRECTlANSWERS-traceroute
WhichlnetworkltypelislusedltolwirelmultiplelPCsltolalhomelro
uter?
a.lLAN
b.lPAN
c.lMAN
d.lWANl-lCORRECTlANSWERS-LAN
Anloffice'slinfrastructurelconnectslnetworkldeviceslandlprin
terslthroughlalcentrallaccesslpointlwithoutltheluseloflcabling
.lWhichlnetworkltypeldoeslthislofficeluse?
a.lWLAN
b.lWAN
c.lCAN
d.lSANl-lCORRECTlANSWERS-WLAN
Whatltypeloflmediumlislcommonlylusedlwithinlal1000lMbpsl
Ethernetlnetwork?
a.lCATl5
b.lCAT5e
c.lCoax
d.lWirelessl-lCORRECTlANSWERS-CAT5e
Whichlnetworkltopologylislshownlinlthelfollowingldiagram?
vendarsol
Network And Security
Foundations Exam Questions With
Correct Answers
WhichlOSIllayerlislrelatedltolthelfunctionloflthelIPlprotocolls
uite?
a.lTransport
b.lNetwork
c.lDatalLink
d.lSessionl-lCORRECTlANSWERS-Network
WhichlOSIllayerlislresponsiblelforlorganizinglhowlbitslarelpa
ssedloverlthelphysicalllayerlbetweenldeviceslwithinlthelsamel
collisionldomain?
a.lFrame
b.lConnection
c.lTransport
d.lDatalLinkl-lCORRECTlANSWERS-DatalLink
WhichlOSIllayerlwouldldefinelthelscopeloflalprotocollthatlma
keslsurelpacketslofldatalarelreceivedlcorrectlylandlresendslt
hemlifltheylarelnot?
a.lValidation
b.lTransmission
c.lTransport
d.lConnectionl-lCORRECTlANSWERS-Transport
WhichlprotocollsuitelperformslfunctionsloflOSIllayerl4?
a.lIPX
vendarsol
,b.lMAC
c.lCSMA/CD
d.lTCPl-lCORRECTlANSWERS-TCP
WhichltypeloflEthernetlcablelcanlmaintainl10Gbpsltransmiss
ionlspeedslthroughlthelcourseloflitslmaximuml100-
meterllength?
a.lCATl5e
b.lCATl5
c.lCATl3
d.lCATl6al-lCORRECTlANSWERS-CATl6a
WhichlInternetlaccessltechnologyluseslordinaryltelephonelw
ireslforldataltransmission?
a.lDSL
b.lCable
c.lWi-Fi
d.lHotspotl-lCORRECTlANSWERS-DSL
Whichldevicelislusedltolorganizelnetworklcableslasltheylrunl
betweenlswitcheslandlotherlnetworkldevices?
a.lJack
b.lHub
c.lPatchlPanel
d.lRouterl-lCORRECTlANSWERS-PatchlPanel
Whichlnetworkldevicelislusedltolconnectltwolorlmorelnetwor
klsegmentslbylperforminglOSIllayerl3lfunctionsllikelpacket-
forwarding?
a.lRouter
b.lRepeater
c.lWire
d.lSwitchl-lCORRECTlANSWERS-Router
vendarsol
,Whichlnetworkldevicelislusedltolconvertlbetweenldigitallinfo
rmationlfromlalLANlandlanaloglsignalslforltransmissionlover
lalstandardltelephonelwire?
a.lRepeater
b.lModem
c.lSignallGenerator
d.lBitlStretcherl-lCORRECTlANSWERS-Modem
Whichldevicelcouldlbelusedltolsendlcommandsltolthelmainfr
amelforlremotelexecutionlinlearlylmainframelinstallations?
a.lDistributedlScreens
b.lDumblTerminals
c.lExecutionlDisplays
d.lCommandlReceiversl-lCORRECTlANSWERS-
DumblTerminals
Whichldevicelislresponsiblelforlimplementinglnetworkladdre
ssltranslationl(NAT)?
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
Whichlcommandlshouldlbelusedltolmanuallylenterltheldefaul
tlgatewaylforlalcomputer?
vendarsol
, a.lroute
b.lipconfig
c.larp
d.lnetstatl-lCORRECTlANSWERS-route
Whichlnetworkldiagnosticltoolldisplayslthelpathlpacketsltak
elbetweenltwolendpoints?
a.lifconfig
b.ltraceroute
c.lftp
d.lnslookupl-lCORRECTlANSWERS-traceroute
WhichlnetworkltypelislusedltolwirelmultiplelPCsltolalhomelro
uter?
a.lLAN
b.lPAN
c.lMAN
d.lWANl-lCORRECTlANSWERS-LAN
Anloffice'slinfrastructurelconnectslnetworkldeviceslandlprin
terslthroughlalcentrallaccesslpointlwithoutltheluseloflcabling
.lWhichlnetworkltypeldoeslthislofficeluse?
a.lWLAN
b.lWAN
c.lCAN
d.lSANl-lCORRECTlANSWERS-WLAN
Whatltypeloflmediumlislcommonlylusedlwithinlal1000lMbpsl
Ethernetlnetwork?
a.lCATl5
b.lCAT5e
c.lCoax
d.lWirelessl-lCORRECTlANSWERS-CAT5e
Whichlnetworkltopologylislshownlinlthelfollowingldiagram?
vendarsol
