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WGU C851 Quality and Performance Management and Methods Questions With Updated answers (Linux).

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WGU C851 Quality and Performance Management and Methods Questions With Updated answers (Linux).

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WGU C851 Quality and Performance
Management and Methods Questions With
Updated answers (Linux)




Which ooof oothe oofollowing ooprograms ooare ooweb ooservers? oo(Choose ootwo.)
ooA. ooApache ooHTTPD
ooB. ooPostfix
ooC. ooCurl
ooD. ooDovecot
ooE. ooNGINX oo- ooSOL oo-AE


What ooare oothe oodifferences oobetween oohard oodisk oodrives ooand oosolid oostate oodisks?
oo(Choose ootwo.)
ooA. ooHard oodisks oohave ooa oomotor ooand oomoving ooparts, oosolid oostate oodisks oodo
oonot.
ooB. ooHard oodisks oocan oofail oodue ooto oophysical oodamage, oowhile oosolid oostate oodisks
oocannot oofail.
ooC. ooSolid oostate oodisks oocan oostore oomany ootimes ooas oomuch oodata ooas oohard oodisk
oodrives.
ooD. oo/dev/sda oois ooa oohard oodisk oodevice oowhile oo/dev/ssda oois ooa oosolid oostate oodisk.
ooE. ooSolid oostate oodisks ooprovide oofaster ooaccess ooto oostored oodata oothan oohard
oodisks. oo- ooSOL oo-AE


Reverse ooDNS ooassigns oohostnames ooto ooIP ooaddresses. ooHow oois oothe ooname ooof
oothe ooIP ooaddress oo198.51.100.165 oostored ooon ooa ooDNS ooserver?
ooA. ooIn oothe ooA oorecord oofor oo165.100.51.198.ipv4.arpa.
ooB. ooIn oothe ooPTR oorecord oofor oo165.100.51.198.in-addr.arpa.
ooC. ooIn oothe ooRNAME oorecord oofor oo198-51-100-165.rev.arpa.
ooD. ooIn oothe ooARPA oorecord oofor oo165.100.51.198.rev.
ooE. ooIn oothe ooREV oorecord oofor ooarpa.in-addr.198.51.100.165. oo- ooSOL oo-B

,Which ooof oothe oofollowing ootypes ooof oobus oocan ooconnect oohard oodisk oodrives oowith
oothe oomotherboard?
ooA. ooThe ooRAM oobus
ooB. ooThe ooNUMA oobus
ooC. ooThe ooCPU oobus
ooD. ooThe ooSATA oobus
ooE. ooThe ooAuto oobus oo- ooSOL oo-D


Members ooof ooa ooteam ooalready oohave ooexperience oousing ooRed ooHat ooEnterprise
ooLinux. ooFor ooa oosmall oohobby ooproject, oothe ooteam oowants ooto ooset ooup ooa ooLinux
ooserver oowithout oopaying oofor ooa oosubscription. ooWhich ooof oothe oofollowing ooLinux
oodistributions ooallows oothe ooteam oomembers ooto ooapply ooas oomuch ooof ootheir ooRed
ooHat ooEnterprise ooLinux ooknowledge ooas oopossible?
ooA. ooUbuntu ooLinux ooLTS
ooB. ooRaspbian
ooC. ooDebian ooGNU/Linux
ooD. ooCentOS
ooE. ooopenSUSE oo- ooSOL oo-D


What ooinformation oocan oobe oodisplayed ooby ootop?
ooA. ooExisting oofiles, ooordered ooby ootheir oosize.
ooB. ooRunning ooprocesses, ooordered ooby ooCPU ooor ooRAM ooconsumption.
ooC. ooUser ooaccounts, ooordered ooby oothe oonumber ooof oologins.
ooD. ooUser oogroups, ooordered ooby oothe oonumber ooof oomembers.
ooE. ooUser ooaccounts, ooordered ooby oothe oonumber ooof oofiles. oo- ooSOL oo-B


Which ooof oothe oofollowing oocommands oocan oobe ooused ooto ooresolve ooa ooDNS ooname
ooto ooan ooIP ooaddress?
ooA. oodnsname
ooB. oodns
ooC. ooquery
ooD. oohost
ooE. ooiplookup oo- ooSOL oo-D


Which ooof oothe oofollowing oooutputs oocomes oofrom oothe oocommand oofree?

total ooused oofree ooshared oobuff/cached ooavailable oo- ooSOL oo-total ooused oofree ooshared
oobuff/cached ooavailable


What oois ootrue ooabout oothe oodmesg oocommand? oo(Choose ootwo.)
ooA. ooIt ootraces oothe ooexecution ooof ooa oocommand ooand ooshows ooeach oostep oothe
ooprogram oocarries ooout.
ooB. ooIt oosends oomessages ooto oothe oocommand oolines ooof ooall oocurrent oouser
oosessions.
ooC. ooIt oodisplays oothe oocontent ooof oothe ooLinux ookernel's ooring oobuffer.

, ooD. ooIt ooimmediately oooutputs ooall oonew oomessages oowritten ooto oothe oosystem
oojournal.
ooE. ooIt oomight oonot oodisplay ooolder ooinformation oobecause ooit oowas oooverwritten ooby
oonewer ooinformation.
Correct ooAnswer: ooCE oo- ooSOL oo-CE

Which ooof oothe oofollowing oooutputs oocould oostem oofrom oothe oocommand oolast?
ooA. oo1 ools oo2 oocat ootext.txt oo3 oologout
ooB. ooPassword oofor oouser oolast oochanged ooat ooSat ooMar oo31 oo16:38:57 ooEST oo2018
ooC. ooLast oologin: ooFri ooMar oo23 oo10:56:39 oo2018 oofrom ooserver.example.com
ooD. ooEXT4-fs oo(dm-7): oomounted oofilesystem oowith ooordered oodata oomode. ooOpts:
oo(null)
ooE. ooroot ootty2 ooWed ooMay oo17 oo21:11 oo- oo21:11 oo(00:00) oo- ooSOL oo-E


What oois oothe ooUID ooof oothe oouser ooroot?
ooA. oo1
ooB. oo-1
ooC. oo255
ooD. oo65536
ooE. oo0 oo- ooSOL oo-E


Which oopermissions ooare ooset ooon ooa ooregular oofile ooonce oothe oopermissions oohave
oobeen oomodified oowith oothe oocommand oochmod oo654 oofile.txt?
ooA. oodrw-r-xr--
ooB. ood""wxr-x--
ooC. oo""wxr-x--x
ooD. oo""rwxrw---x
ooE. oo-rw-r-xr-- oo- ooSOL oo-E


What oois ootrue ooabout oothe ooowner ooof ooa oofile?
ooA. ooEach oofile oois ooowned ooby ooexactly ooone oouser ooand ooone oogroup.
ooB. ooThe ooowner ooof ooa oofile ooalways oohas oofull oopermissions oowhen ooaccessing oothe
oofile.
ooC. ooThe oouser ooowning ooa oofile oomust oobe ooa oomember ooof oothe oofile's oogroup.
ooD. ooWhen ooa oouser oois oodeleted, ooall oofiles ooowned ooby oothe oouser oodisappear.
ooE. ooThe ooowner ooof ooa oofile oocannot oobe oochanged ooonce ooit oois ooassigned ooto ooan
ooowner. oo- ooSOL oo-A


Which ooof oothe oofollowing oopermissions ooare ooset ooon oothe oo/tmp/ oodirectory?
ooA. oorwxrwxrwt
ooB. oo------rwX
ooC. oorwSrw-rw-
ooD. oorwxrwS---
ooE. oor-xr-X--t oo- ooSOL oo-A

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