WGU C851 Quality and Performance
Management and Methods Questions With
100% answers Correct (Linux)
Which oof othe ofollowing oprograms oare oweb oservers? o(Choose otwo.)
oA. oApache oHTTPD
oB. oPostfix
oC. oCurl
oD. oDovecot
oE. oNGINX o- oANSWER-AE
What oare othe odifferences obetween ohard odisk odrives oand osolid ostate odisks? o(Choose
otwo.)
oA. oHard odisks ohave oa omotor oand omoving oparts, osolid ostate odisks odo onot.
oB. oHard odisks ocan ofail odue oto ophysical odamage, owhile osolid ostate odisks ocannot
ofail.
oC. oSolid ostate odisks ocan ostore omany otimes oas omuch odata oas ohard odisk odrives.
oD. o/dev/sda ois oa ohard odisk odevice owhile o/dev/ssda ois oa osolid ostate odisk.
oE. oSolid ostate odisks oprovide ofaster oaccess oto ostored odata othan ohard odisks. o-
oANSWER-AE
Reverse oDNS oassigns ohostnames oto oIP oaddresses. oHow ois othe oname oof othe oIP
oaddress o198.51.100.165 ostored oon oa oDNS oserver?
oA. oIn othe oA orecord ofor o165.100.51.198.ipv4.arpa.
oB. oIn othe oPTR orecord ofor o165.100.51.198.in-addr.arpa.
oC. oIn othe oRNAME orecord ofor o198-51-100-165.rev.arpa.
oD. oIn othe oARPA orecord ofor o165.100.51.198.rev.
oE. oIn othe oREV orecord ofor oarpa.in-addr.198.51.100.165. o- oANSWER-B
, Which oof othe ofollowing otypes oof obus ocan oconnect ohard odisk odrives owith othe
omotherboard?
oA. oThe oRAM obus
oB. oThe oNUMA obus
oC. oThe oCPU obus
oD. oThe oSATA obus
oE. oThe oAuto obus o- oANSWER-D
Members oof oa oteam oalready ohave oexperience ousing oRed oHat oEnterprise oLinux. oFor
oa osmall ohobby oproject, othe oteam owants oto oset oup oa oLinux oserver owithout opaying
ofor oa osubscription. oWhich oof othe ofollowing oLinux odistributions oallows othe oteam
omembers oto oapply oas omuch oof otheir oRed oHat oEnterprise oLinux oknowledge oas
opossible?
oA. oUbuntu oLinux oLTS
oB. oRaspbian
oC. oDebian oGNU/Linux
oD. oCentOS
oE. oopenSUSE o- oANSWER-D
What oinformation ocan obe odisplayed oby otop?
oA. oExisting ofiles, oordered oby otheir osize.
oB. oRunning oprocesses, oordered oby oCPU oor oRAM oconsumption.
oC. oUser oaccounts, oordered oby othe onumber oof ologins.
oD. oUser ogroups, oordered oby othe onumber oof omembers.
oE. oUser oaccounts, oordered oby othe onumber oof ofiles. o- oANSWER-B
Which oof othe ofollowing ocommands ocan obe oused oto oresolve oa oDNS oname oto oan oIP
oaddress?
oA. odnsname
oB. odns
oC. oquery
oD. ohost
oE. oiplookup o- oANSWER-D
Which oof othe ofollowing ooutputs ocomes ofrom othe ocommand ofree?
total oused ofree oshared obuff/cached oavailable o- oANSWER-total oused ofree oshared
obuff/cached oavailable
What ois otrue oabout othe odmesg ocommand? o(Choose otwo.)
oA. oIt otraces othe oexecution oof oa ocommand oand oshows oeach ostep othe oprogram
ocarries oout.
oB. oIt osends omessages oto othe ocommand olines oof oall ocurrent ouser osessions.
oC. oIt odisplays othe ocontent oof othe oLinux okernel's oring obuffer.
oD. oIt oimmediately ooutputs oall onew omessages owritten oto othe osystem ojournal.
Management and Methods Questions With
100% answers Correct (Linux)
Which oof othe ofollowing oprograms oare oweb oservers? o(Choose otwo.)
oA. oApache oHTTPD
oB. oPostfix
oC. oCurl
oD. oDovecot
oE. oNGINX o- oANSWER-AE
What oare othe odifferences obetween ohard odisk odrives oand osolid ostate odisks? o(Choose
otwo.)
oA. oHard odisks ohave oa omotor oand omoving oparts, osolid ostate odisks odo onot.
oB. oHard odisks ocan ofail odue oto ophysical odamage, owhile osolid ostate odisks ocannot
ofail.
oC. oSolid ostate odisks ocan ostore omany otimes oas omuch odata oas ohard odisk odrives.
oD. o/dev/sda ois oa ohard odisk odevice owhile o/dev/ssda ois oa osolid ostate odisk.
oE. oSolid ostate odisks oprovide ofaster oaccess oto ostored odata othan ohard odisks. o-
oANSWER-AE
Reverse oDNS oassigns ohostnames oto oIP oaddresses. oHow ois othe oname oof othe oIP
oaddress o198.51.100.165 ostored oon oa oDNS oserver?
oA. oIn othe oA orecord ofor o165.100.51.198.ipv4.arpa.
oB. oIn othe oPTR orecord ofor o165.100.51.198.in-addr.arpa.
oC. oIn othe oRNAME orecord ofor o198-51-100-165.rev.arpa.
oD. oIn othe oARPA orecord ofor o165.100.51.198.rev.
oE. oIn othe oREV orecord ofor oarpa.in-addr.198.51.100.165. o- oANSWER-B
, Which oof othe ofollowing otypes oof obus ocan oconnect ohard odisk odrives owith othe
omotherboard?
oA. oThe oRAM obus
oB. oThe oNUMA obus
oC. oThe oCPU obus
oD. oThe oSATA obus
oE. oThe oAuto obus o- oANSWER-D
Members oof oa oteam oalready ohave oexperience ousing oRed oHat oEnterprise oLinux. oFor
oa osmall ohobby oproject, othe oteam owants oto oset oup oa oLinux oserver owithout opaying
ofor oa osubscription. oWhich oof othe ofollowing oLinux odistributions oallows othe oteam
omembers oto oapply oas omuch oof otheir oRed oHat oEnterprise oLinux oknowledge oas
opossible?
oA. oUbuntu oLinux oLTS
oB. oRaspbian
oC. oDebian oGNU/Linux
oD. oCentOS
oE. oopenSUSE o- oANSWER-D
What oinformation ocan obe odisplayed oby otop?
oA. oExisting ofiles, oordered oby otheir osize.
oB. oRunning oprocesses, oordered oby oCPU oor oRAM oconsumption.
oC. oUser oaccounts, oordered oby othe onumber oof ologins.
oD. oUser ogroups, oordered oby othe onumber oof omembers.
oE. oUser oaccounts, oordered oby othe onumber oof ofiles. o- oANSWER-B
Which oof othe ofollowing ocommands ocan obe oused oto oresolve oa oDNS oname oto oan oIP
oaddress?
oA. odnsname
oB. odns
oC. oquery
oD. ohost
oE. oiplookup o- oANSWER-D
Which oof othe ofollowing ooutputs ocomes ofrom othe ocommand ofree?
total oused ofree oshared obuff/cached oavailable o- oANSWER-total oused ofree oshared
obuff/cached oavailable
What ois otrue oabout othe odmesg ocommand? o(Choose otwo.)
oA. oIt otraces othe oexecution oof oa ocommand oand oshows oeach ostep othe oprogram
ocarries oout.
oB. oIt osends omessages oto othe ocommand olines oof oall ocurrent ouser osessions.
oC. oIt odisplays othe ocontent oof othe oLinux okernel's oring obuffer.
oD. oIt oimmediately ooutputs oall onew omessages owritten oto othe osystem ojournal.
