fault types that can occur on a system are placed in five error categories

8/9/2019 Fault Types That Can Occur on a System Are Placed in Five Error Categories

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. Fault types thatcan occur on asystem are

placed in fiveerror categories:

Software,Hardware,Critical, Fatal,System Panics,and Warnings.When a systemfault is caused bya critical error itis recommendedthat the system

be immediately

shutdown.Which two faultscould beattributed to acritical error thatre uires theimmediateshutdown of thesystem!

"uestion # revoir

$%& Points

$Choisir toutes les r'ponses correctes&

Component burnout due to high temperature.

Corrupt dis(s.

Single power supply failure in a system withredundant power supplies. $)&Fan failure, resulting in an increased operatingtemperature. $)&

Sorry, that is not correct.Please review the coursecontent and try again.

%. *ou have been as(ed to install +racle -S, an +raclehardware validation test on a SP /C server. +nceinstalled you need to run a non0intrusive online stress testmode and a data0safe system e1erciser test mode, all totest the server.Which two options describe the actions of these two testmodes on the server!

"uestion #

revoir$2& Points



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-his mode tests the system with all its components,all tests are run in parallel, and no other applicatione1cept this software should be running on the system.$)&-his mode for testing is used to validate the hardware

without having significant impact on otherapplications running on the system. $)&-his mode performs targeted testing of systemcomponents and modules.-his mode puts ma1imum stress on the component ormodule under test, and all tests are run se uentially.


3. The Automatic System Recovery (ASR) featureenables the server to automatically configurefailed components out of operation until theycan be replaced. In the server, the ASRfeature manages nonfatal hardware failuresassociated with memory modules and !I cards.To display system components and their currentstate you run the following command.

sc" showcomponent#eys$%S&S%' % !I '*++%S&S%' % !I '*++% !I*%S&S%' % !I '*++%-A I

%S&S%' % !I '*++% !I*/%S&S%' % !I '*++%-A I/%S&S%' % !I '*++% !*I0%S&S%' % !I '*++% !I*1%S&S%' % !I '*++% !I*2%S&S%' % !I '*++% !I*3 4.. %S&S%TT&A5isabled 5evices %S&S%' %!' 6%78 A9#:

6nce a faulty component has been disabled andafter the cause of the fault has been repaired(for e;ample hat two options describe the command toremove a disabled component and the name ofthe database containing the list of alldisabled components on the system?

"uestion #

revoir$3& Points



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clearasrdb

asrdb

asr0db $)&

enable component asr(ey 4 reset $)&


2. *ou want to save a crash dump of the live running +racleSolaris system without actually rebooting or altering thesystem in anyway. dedicated dump device was recentlyconfigured to the system using the dumpadm command.

Which command would you use to save a live systemcrash dump!

"uestion #

revoir$%& Points

5 savecore 6vf

5 dumpadm 6y 6d

5 savecore 67 $)&

8one of the above


9. n important step in fault analysis is to create a list offacts about reported system faults. -o assist in thecollection of these facts, you will collect all relevanterrors on problematic services using S F.

*ou e1ecute the following command on the faulty system:

5 svc1 61

Which option describes the output of this command!

"uestion #

revoir$%& Points

;nformation on legacy services is returned.

Problematic services are described.


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ll enabled service instances even temporarilydisabled service instances are listed.-e1t e1plaining what state a service is in, and why itis in that state. $)&


sually a milestone doesnothing useful itself, butdeclares a specific state ofsystem@readiness which otherservices can depend upon. Sinceyou have been as=ed to sharesome basic information aboutmilestones with a newadministrator, you start byusing the svcs command to view

a list of milestones that aredefined on the server.

svcs milestoneBSTAT* STI'*


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Solaris networ(ing has its own

milestone called networ( system=s current milestone is

always defined in theoptions>ovr


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Tue Aug / 8:$ 0$wanboot alert$ Internal Server*rror L (root filesystem imagemissing)

&ou =now this error occurredbecause the client cannot findthe boot archive.

>hich option describes how youwould correct this problem?

Chec( your @HCP configuration

or the contents of the target directoryyou specified when you raninstalladm create0service

Chec( the path name and

permissions of the boot>archive atA; B


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you deduce two possiblereasons for the cause of thispanic.

>hich two options could havecaused this system panic?


E @ -/ P occurred due to a

8 77 pointer.-he (ernel branched to a location

that contained the instruction 8 77.$)&

@ata cannot be used to

reconstruct events that lead to the panic.

serious hardware problem. $)&

Sorry, that isnot correct.Pleasereview thecourse

content andtry again.

G. A S AR! server is creatingcore files in randomdirectories and that thesefiles are Kuite large and useup valuable dis= space. &ourun the following commmand todisplay the core fileconfiguration on the system$N coreadmglobal core file pattern$

global core file content$defaultinit core file pattern$ coreinit core file content$defaultglobal core dumps$ disabledper@process core dumps$enabledglobal setid core dumps$disabled

"uestion #

revoir$%& Points


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per@process setid core dumps$disabledglobal core dump logging$disabled

To correct the situation youbecome superuser, run thecommand to enable a globalcore file path and then verifythe core file pathconfiguration$ coreadm global core filepattern$ %var%core%core.Jf.Jp init core filepattern$ core global coredumps$ enabled per@process coredumps$ enabled

global setid coredumps$ disabled per@process setid coredumps$ disabled global core dumplogging$ disabled

>hich option contains thecommand you would use toenable a global core filepath?

5 coreadm 6e 6g


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IJ. After a system reboot, userscanOt telnet to other systemsor do other networ=@relatedtas=s.

telnet host02Trying G38.G2G.G0 .0G...telnet$ nable to connect toremote host$ 9etwor= isunreachable

To chec= for reasons why theusers canPt communicate overthe networ=, you use the ipadmand ifconfig commands to ma=esure the networ= interface isconfigured correctly and isplumbed and up.

ipadm

ifconfig net: up

&ou also chec= the rcdirectories to see whatscripts may be running thatare undesired, since legacy rcscripts can still can run inaddition to S'hich option describesadditional steps you couldta=e to resolve the reportedproblem with the networ=?

"uestion #

revoir$%& Points

-roubleshoot using svcs 01v to

ma(e sure all the networ( services areenabled4 try enabling them by hand.

Create a bac(up of the faulty

system before fi1ing anything.Chec( for any hardware 8;C

errors using the fmadm faultycommand.

Eoth a. and c. above. $)&

Sorry, that isnot correct.Pleasereview the


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coursecontent andtry again.

The following error messagehas been displayed on aclient$

svc$%application%p=g%server$default (image pac=agingrepository)State$ maintenance sinceCune GD, 8:GD GG$DD$/3 A''5TReason$ Start method failedrepeatedly, last e;ited withstatus G.See$http$%%support.oracle.com%msg%S'hich option describes theprobable cause of thiserror?

"uestion # revoir

$%& Points

;nvalid or incorrect property in

service.


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Problem with ;PS server

configuration.Problem with ;PS client

configuration.ll of the above $)&

Sorry, that is notcorrect. Pleasereview the coursecontent and tryagain.

I%.

*ou (now that a boot archive is a subsetof a root file system and that the files inthe boot archive are read by the (ernel

before the root filesystem is mounted.fter the root file system is mounted, the

boot archive is discarded by the (ernelfrom memory.

-he files in the SP /C boot archive arelocated in the


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correct. Pleasereview the coursecontent and tryagain.

I3.The 6racle Integrated 7ights 6ut'anager (I76') firmware runs onthe service processor and is thecentral software resource foridentifying and managing serverproblems. To actively manage andmonitor a server independently ofthe operating system state, youenter I76' by logging in and thenrunning an I76' command to viewcomponents that may be faulty onthis server.

N ssh usernameFS ipaddress

assword$ Hpassword"@ "enter command here

In this e;ample the I76' commandentered has identified a failedhardware component. In particular,you are shown a memory modulefault that has been detected by6ST.

Target ropertyQalue@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @@%S %faultmgmt%: fru %S&S%' %!' :% RG%! :%5:%S %faultmgmt%: timestamp Cun 8 8D$:G$D8%S %faultmgmt%:% timestamp Cun 8 8D$:G$D8faults%:

%S %faultmgmt%:% sp detected fault %S&S%' %!' :% RG%! :%5:faults%:

hich command would have beenentered to view faulty components?

"uestion #

revoir$%& Points

Mshow


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Mshow faulty $)&

Mshow


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from0online mailto:rootNlocalhost $)&

Sorry, that is notcorrect. Pleasereview the course

content and tryagain.

I9. -he following command line has beenentered to create a new service callednewsvcI and to identify this service as thesource for automated install:

5 installadm create0service 6n newsvcI 6s


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with the newly created service.Chec( all of the above until the newlycreated service boots the systemsuccessfully. $)&

Sorry, that is notcorrect. Pleasereview the coursecontent and tryagain.

IL. -he show0post0resultscommand is an+EP0levelcommand thatyou use at thefirmware levelof a system todisplayinformationabout the laste1ecuted P+S-.Shown beloware four of thesi1 steps thatyou would ta(eto view the laste1ecuted P+S-.

I. Set the diag0switch! variableto true with thesetenvcommand.%. stepmissingM3. stepmissingM2. Power downthe system.9. Power on thesystem.L. /un show0

post0results to

"uestion # revoir

$3& Points


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view the P+S-output.o( show0post0results

outputomittedM

Which twooptions identifythe two missingsteps in this

process!


Set the auto0boot! variable to false with the setenvcommand. $)&Set the diag0level to uic( with the setenv command.

Set the diag0switch! variable to true with the setenvcommand.Set the diag0level to ma1 with the setenv command.$)&

Sorry, that is not correct.Please review the course

content and try again.I?. -he response time with a web Tone is very poor, and

many services are not running. *ou go ahead and Tlogininto the web Tone and then use the following command:

5 svcs 61v 8o output for more than 9 minutesWhich option describes the cause of this Tone having avery slow response time!

"uestion #

revoir$%& Points

-he installed system in the Tone has a bug.

-he Tone resource caps are too high.

-he Tone is misconfigured.

Eoth a. and c. above. $)&

Sorry, that is not correct.Please review the course


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content and try again.

ID. server has been crashing intermittently for un(nownreasons. *ou have as(ed the customer to start saving theinformation from the crash in the


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Which option describes what you as a systemadministrator are allowed to do when wor(ing with SC

profile files!

*ou can configure client=s attributes such useraccounts, networ(ing configuration, localiTation, andso on.*ou can select more than one SC profile for any

particular client.*ou can configure the +racle Configuration anager in a SC profile file of clients.ll of the above $)&

Sorry, that is not correct.

Please review the coursecontent and try again.

%J. sers try to ssh, telnet and rlogin to anothersystem and get error messages.

ssh host:1ssh e;change identification$ !onnection closedby remote host rlogin host:1rotocol error$ host:1 closed connection telnet host:1!onnection to host:1 closed by foreign host

owever, host:2 can ssh%rlogin%telnet tohost:1$host:2 telnet (or ssh%rlogin ) host:1login$

>hich two options describe the reason theseusers cannot ssh, telnet or rlogin to acertain system?

"uestion #

revoir$%& Points


8ot an error, desired behavior as a method of

security. $)&Corrupt


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%I.*ou (now that the

following configurationwill cause two core filesto be generated andsaved when a process inthe local Tone terminatesabnormally.

5 coreadmglobal core file

pattern:


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Sorry, that is notcorrect. Please reviewthe course content andtry again.

%%.A system has booted into maintenancemode with an error that a service failedto mount the %tmp directory.

!opyright (c) G32D, 8:G8, 6racle and%orits affiliates. All rights reserved.os@io *RR6R$svc$%system%filesystem%minimal$defaultfailed to mount %tmp (see Psvcs @;P fordetails)Can G/ G $88$ 1 svc.startd GG $svc$%system%filesystem%minimal$default$'ethod U%lib%svc%method%fs@minimalUfailed with e;it status 3/.Can G/ G $88$ 1 svc.startd GG $system%filesystem%minimal$default failedfatally$ transitioned to maintenance(see Psvcs @;vP for details)ReKuesting System 'aintenance 'ode(See %lib%svc%share%R*A5'* for moreinformation.)!onsole login service(s) cannot run

&ou have Kuic=ly determined that thecause of this error could be the resultof either a service that is critical for

boot is disabled or incorrectpermissions on the %tmp directory.

>hich two methods would you use tocorrect this error?

"uestion #

revoir$3& Points


-roubleshoot using the svcs 61v command

and try enabling the services in maintenancemanually. $)&

nter the reboot 6d command.

nter the svcadm restart command.

Chec( to see if


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correct. Please reviewthe course content andtry again.

%3.A service on the server is disabled andnot starting. To debug it you firstreKuest information about the failedservice by using the following command$

svcs E;vsvc$% application%p=g%server$default(image pac=aging repository) State$ maintenance since 'on D: Cun8:G :2$G0$ : A' 5TReason$ Start method failed repeatedly,e;it with status G. See$http$%%support.oracle.com%msg%S'hich two options describe the remainingsteps to be performed to debug thisservice that has failed to started?

"uestion #

revoir$%& Points

$Choisir toutes les r'ponses correctes&se


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%2.>hile trying to install a pac=age on asystem, the following error messageappeared$

p=g install Env group%feature%ampp=g install$ The following pattern(s)did not match any allowable pac=ages.Try using a different matching pattern,or refreshing publisher information$group%feature%amp

&ou run the following command, whichreturns nothing$ p=g search entire

&ou decide to chec= and ma=e sure thepublisher is refreshed with the mostcurrent data, then try to install thepac=age again.

p=g refresh solaris p=g search entireI95*- A!TI69 QA7 * A!#AX*p=g.description set rovides for powermanagement supportHoutput omitted"

p=g.fmri set solaris%entirep=g$%entireF:./.GG@:.G1/.G.1.:.8.:p=g.summary set entire incorporationincluding Support Repository pdate(6racle Solaris GG.G.1.8.:).p=g$%entireF:./.GG@:.G1/.G.1.:.8.: p=g install Env group%feature%amp!reating lan (*valuating mediators)$ %ac=ages to install$ G3'ediators to change$ G*stimated space available$ D:./ X*stimated space to be consumed$ :G.2'!reate boot environment$ 9o!reate bac=up boot environment$ 9oServices to change$ 8Rebuild boot archive$ 9o

>hich two additional steps could alsohave been ta=en to Kuic=ly troubleshootthe cause of this problem?

"uestion #

revoir$%& Points



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Chec( the pac(age group info with the p(g

info U5D%II4r )group) command.Chec( to ma(e sure there is not a typo in the

pac(age name. $)&se the command p(g variant to display the

values of variants that are set with the pac(age.Chec( to ma(e sure the publisher is online

with the command p(g publisher $)&


%9.To install client systems by using AI,you initially set up your install serverand create at least one install servicefor each client architecture and eachversion of 6racle Solaris that you planto install.

>hen you created each install service,you created customiYed installationinstructions and system configurationinstructions for different clients.

9ow you boot a client and theinstallation begins following thisseKuence.

G. The client is booted.8. The client system contacts the 5 !server and retrieves the client Iaddress, the boot file, and the Iaddress of the installer, if reKuired.D. The client system loads the netimage.. The client system completes itsinstallation by using the appropriate AImanifest./. The client system reboots, if Hleftblan= intentionally"0. 5uring a reboot, the client system isconfigured by using an S! profile, or bythe administratorOs responses in theinteractive system configuration tool.

>hich option would you select to

"uestion #

revoir$2& Points


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correctly complete step / in theinstallation seKuence?

-he client system reboots, if the auto>reboot

value is set in the ; manifest.-he client system reboots, if rebooted by the

system administrator.-he client system reboots, if the auto>reboot

value is set in the client.ll of the above $)&

Sorry, that is notcorrect. Please review

the course content andtry again.%L.

system hascrashed with a

panic. *ouneed toanalyTe thissystem panicand determinewhat (ind of

panic has

occurred. -hesteps you planto ta(e includedisplaying thecurrent crashdumpconfiguration4coverting thedump file tofiles that can

be analyTed

with the mdbutility4 andthen printing asummary ofinformationthat revealswhat (ind of

panic too(

"uestion # revoir

$%& Points


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place.

Which optiondescribes thecorrect

se uence ofcommands thatyou would usefor thistroubleshooting procedure!$8ote:savecore isenabled.&

5 dumpadm 4 cd


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&ou decide to go ahead and install the dtracepac=age on this system too. >hen the installationcompletes you verify the installation of thispac=age. p=g verify Ev dtraceA!#AX* STAT Sp=g$ %%solaris%system%dtrace *RR6RHoutput truncated"

>hich command would you use to correct the dtracepac=age installation error reported?

p(g update 6 6reVect dtrace

p(g fi1 dtrace $)&

p(g uninstall dtrace

p(g revert dtrace

Sorry, that is not correct. Pleasereview the course content and tryagain.

%D. +racle Solaris II installations are configured to have adefault publisher, solaris, which supplies software pac(agesfrom the release repository:http:


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repository to view Vust the publisher=s name, number of pac(ages, status, and last updated timestamp!

$Choisir toutes les r'ponses correctes&7oad the repository /7 into your Web browser. $)&

se the command: p(grepo get 6s http:


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serialZD/83$partZ/ G8//D: %motherboardZ:%cupboardZ:) faulty

>hich option would e;plain the appearance of thissystem message on the console screen?

-he fault management daemon,$fmd& received telemetry

information relating to problems detected and sent a messageto syslogd service to notify the administrator that a problemhas been detected.

-he fmadm faulty command was used to display active

problems related to faults or defects and determine the F/ sinvolved. $)&

-he fmadm faulty command was used to display an

historical log of faults or defects on the system.-he fmdump 6v 6u ;@ command was used to display

fault information on the system.

Sorry, that is not correct. Pleasereview the course content and tryagain.

3I

.

5uring an Automated Install a S AR!client successfully downloads theboot archive and boots the 6racleSolaris =ernel, but fails to get oneof the image archives. The followingerror message indicates that thesolaris.Ylib file is causing thisproblem.

Htime unavailable" wanboot info$Starting 5 ! configurationHtime unavailable" wanboot info$5 ! configuration succeededHtime unavailable" wanboot progress$wanbootfs$ Read D02 of D02 = (G::J)Htime unavailable" wanboot info$

wanbootfs$ 5ownload complete


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'65* only

ardware watchdog enabledRemounting root read%writerobing for device nodes ...reparing networ= image for use5ownloading solaris.Ylib@@8:GG@:2@80 8D$G3$/1@@http$%%G:.GD .G8/.GD0$////%e;port%auto install%G1/s%%solaris.Ylib!onnecting to G:.GD .G8/.GD0$////...connected.TT reKuest sent, awaitingresponse... : 9ot


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p=g install$ !ould notcomplete the operation on%var%p=g%loc=$ read@onlyfilesystem.

&ou have the user chec= thesettings of the Yone, usingthe following command to loo=for a specific setting thatmay cause a read@only filesystem.

Yonecfg EY web infoYonename$ webYonepath$ %Yones%webbrand$ solarisautoboot$ truebootargs$file@mac@profile$ strictHoutput truncated"

The user locates a file@mac@profile property in the outputof the command, which has beenset to a value of strict. ydefault, a Yonecfg file@mac@profile property is not set ina non@global Yone. The defaultpolicy for a nonglobal Yone isto have a writable root filesystem. #nowing thisinformation, you tell the userthat this is the desiredsetting placed on the non@global Yone and should not bechanged.

>hich statement is true whendescribing the profile strict?

7ogging and auditing

configuration files can be local./ead0only file system, no

e1ceptions. $)&

Permits updates to


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configuration components.

Sorry, that is notcorrect. Please reviewthe course content

and try again.33. The response time within a

newly configured Yone is verypoor, and many services arenot running. The person thatconfigured this new Yonebooted it and logged insuccessfully.

>ithin the new Yone thefollowing command is run,which e;plains the state ofservices.

svcs E;v9o output for more than /minutes.

hich option would be thecause of this poor responsetime reported on this newYone?

"uestio

n # revoir$%& Points

Xone initiation failed.

Physical memory capping

changed.


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7oopbac( file system not

enabled.Xone mis0configured4 resources

caps to low. $)&

Sorry, that is notcorrect. Please reviewthe course contentand try again.

32. While diagnosing peripheral devicesusing the probe0scsi and probe0scsi0all commands, the SCS; devices ontwo systems are not detected. -hese

devices are in fact physically attachedto the on0board SCS; controllers.

What step would you ta(e to correctthis reported problem with the SCS;devices!

"uestio

n # revoir$%& Points

se P+S- to perform diagnostictests for the hardwarecomponents.-est the hardware devices

attached to the systems with thetest0all command./un reset on both systems.

Power on all the SCS; devices.$)&

Correct[

39. >hile booting a server thefollowing error message isgenerated on the console.

oot device$%pciF3%pciF:%pciF:%pciFG,8%7ST7ogic,sadF8%dis=:,:$a


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probable causes for the bootseKuence to return to the o=prompt without booting.

>hich option describes howthis problem could haveoccurred?

Eoot device does not e1ist on the

machine.;ncorrect 8 / or boot

settings.Eoot device is corrupt.

ll of the above $)&

Sorry, that is notcorrect. Please reviewthe course contentand try again.

Page ? sur D

3L. Systemperformance,especially forcompute@boundprocessing isnot very good.&ou run thempstat commandfor a shorttime and seethat the !system time(sys) is fairlyhigh, even on asystem that isnot doing much.

mpstat 8! minf m]f;cal intr ithrcsw icsw migrsmt; srw sysclusr sys wt idl: :

"uestion # revoir

$%& Points


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: :: 8 :0 : 3G: :: G 8G 80 :: :: G: G: :3:. . . . . .^!

The possiblecauses of thissystem seemingto be slowcould be a=ernel bug,improper

configuration,or there isInterruptprocessing.

>hich commandwould you useto correct thissystemperformanceproblem?

se the reboot command to see if the

problem goes away.se the modinfo command to find any

unwanted or suspicious module and unload it.se the intrstat % command to determine

the source of the problem.ll of the above $)&

Correct[

3?. The service configuration repositoryprovides a per@service snapshot atthe time each service issuccessfully started so thatfallbac= is possible. The S'

fault types that can occur on a system are placed in five error categories

Documents