Test Bank For CompTIA A+ Core 1 (220-1001) and Core 2 (220-1002) Cert Guide 16th Edition All Chapters

CompTIA N10-006
t




CompTIA Network+ Certification
t t



Version: 6.0
t

, CompTIAtN10-006tExam
Topict1,tNetworktarchitecture




QUESTIONtNO:t1

Attechniciantneedsttotlimittthetamounttoftbroadcastttraffictontatnetworktandtallowtdifferenttsegmentsttotc
ommunicatetwithteachtother.tWhichtoftthetfollowingtoptionstwouldtsatisfytthesetrequirements?


A.
AddtatroutertandtenabletOSPF.

B.
Addtatlayert3tswitchtandtcreatetatVLAN.

C.
Addtatbridgetbetweenttwotswitches.

D.
AddtatfirewalltandtimplementtpropertACL.


Answer:tBtExp
lanation:




Wetcantlimittthetamounttoftbroadcastttraffictontatswitchedtnetworktbytdividingtthetcomputerstintotlogicaltn
etworktsegmentstcalledtVLANs.

Atvirtualtlocaltareatnetworkt(VLAN)tistatlogicaltgrouptoftcomputerstthattappearttotbetontthetsametLANte
ventifttheytaretontseparatetIPtsubnets.tThesetlogicaltsubnetstaretconfiguredtintthetnetworktswitches.tE
achtVLANtistatbroadcasttdomaintmeaningtthattonlytcomputerstwithintthetsametVLANtwilltreceivetbroa
dcastttraffic.


Totallowtdifferenttsegmentst(VLAN)ttotcommunicatetwithteachtother,tatroutertistrequiredttotestablishtatc
onnectiontbetweentthetsystems.tWetcantusetatnetworktrouterttotroutetbetweentthetVLANstortwetcantus
etat‘Layert3’tswitch.tUnliketlayert2tswitchestthattcantonlytreadtthetcontentstoftthetdata-
linktlayertprotocoltheadertintthetpacketsttheytprocess,tlayert3tswitchestcantreadtthet(IP)taddressestintth
etnetworktlayertprotocoltheadertastwell.




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, CompTIAtN10-006tExam
QUESTIONtNO:t2

ThetnetworktinstalltistfailingtredundancyttestingtattthetMDF.tThettraffictbeingttransportedtistatmixturetoft
multicasttandtunicasttsignals.tWhichtoftthetfollowingtwouldtBESTthandletthetreroutingtcausedtbytthetdis
ruptiontoftservice?


A.
Layert3tswitch

B.
Proxytserver

C.
Layert2tswitch

D.
Smartthub


Answer:tAtExp
lanation:




Thetquestiontstatestthattthettraffictbeingttransportedtistatmixturetoftmulticasttandtunicasttsignals.tTheret
aretthreetbasicttypestoftnetworkttransmissions:tbroadcasts,twhichtaretpacketsttransmittedttoteverytnod
etontthetnetwork;tunicasts,twhichtaretpacketsttransmittedttotjusttonetnode;tandtmulticasts,twhichtaretpa
cketsttransmittedttotatgrouptoftnodes.tMulticasttistatlayert3tfeaturetoftIPv4t&tIPv6.tTherefore,twetwouldtn
eedtatlayert3tswitcht(ortatrouter)ttotreroutetthettraffic.tUnliketlayert2tswitchestthattcantonlytreadtthetconte
ntstoftthetdata-
linktlayertprotocoltheadertintthetpacketsttheytprocess,tlayert3tswitchestcantreadtthet(IP)taddressestintthe
tnetworktlayertprotocoltheadertastwell.




QUESTIONtNO:t3

WhichtoftthetfollowingtnetworktdevicestusetACLsttotpreventtunauthorizedtaccesstintotcompanytsystems?


A.
IDS

B.
Firewall
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, CompTIAtN10-006tExam
C.
Contenttfilter

D.
Loadtbalancer


Answer:tBtExp
lanation:




Atfirewalltistatsystemtdesignedttotpreventtunauthorizedtaccessttotortfromtatprivatetnetwork.tFirewallstar
etfrequentlytusedttotpreventtunauthorizedtInternettuserstfromtaccessingtprivatetnetworkstconnectedttot
thetInternet,tespeciallytintranets.tFirewallstusetACLst(accesstcontroltlists)ttotdeterminetwhichttraffictista
llowedtthroughtthetfirewall.tAllttraffictenteringtortleavingtthetintranettpassestthroughtthetfirewall,twhichte
xaminesteachtmessagetandtblockstortallowstthetmessagetdependingtontrulestspecifiedtintthetACL.tTh
etrulestintthetACLtspecifytwhichtcombinationstoftsourcetIPtaddress,tdestinationtaddresstintIPtporttnumb
erstaretallowed.




QUESTIONtNO:t4

Whichtoftthetfollowingtistusedttotdefinethowtmuchtbandwidthtcantbetusedtbytvarioustprotocolstontthetnetw
ork?


A.
Traffictshaping

B.
Hightavailability

C.
Loadtbalancing

D.
Faultttolerance


Answer:tAtExp
lanation:



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