000-221 Exam Questions
224 real 000-221 exam questions with expert-verified answers and explanations. Page 1 of 5.
- Question #1System Management
Which AIX command will display the virtual SCSI slot number that is the parent of hdisk0?
lscfgvirtual SCSIhdisk parentdevice configuration - Question #2Storage Management
An administrator plans to duplicate the active rootvg on a given system to a spare disk that will be migrated to newer hardware. Which flag on 'alt_disk_copy' must be used to reset...
alt_disk_copyrootvg duplicationdisk migrationdevice configuration reset - Question #3Performance Monitoring and Tuning
Before changing virtual memory settings, how can an administrator check the valid range of values for a tuning parameter?
vmovirtual memory tuningtuning parameter rangeperformance tuning commands - Question #4System Management
What are key considerations when planning for Live Application Mobility?
Live Application MobilityWPAR checkpointapplication WPARsubnet requirements - Question #5Storage Management
What action does the following command perform for a new AIX hdisk, hdisk1 ? chdev -I hdisk1 -a pv=yes
chdevPVIDphysical volume identifierhdisk - Question #6System Management
A physical LPAR has a failed Fibre Channel adapter, which was providing redundant SAN access. What is a prerequisite for using the Replace/Remove task of the PCI Hot Plug Manager?
PCI Hot Plug ManagerFibre Channel adapteradapter replacementunconfigure devices - Question #9Troubleshooting and Problem Determination
An administrator notices that the ntp group subsystem is not starting up at boot time. What will cause this issue?
NTP subsystemrc.tcpipboot startupsubsystem configuration - Question #10System Management
An administrator is required to implement resource control for a running system WPAR called "skippy'. Which flag of the chwpar command will set the CPU Resource control limits for...
chwparWPAR CPU resource controlresource limitssystem WPAR - Question #11Troubleshooting and Problem Determination
Name resolution is not working on a given LPAR. Considering the observed behavior and configuration of/etc/resolv.conf, what is the most likely resolution?
name resolutionresolv.confDNS configurationnetsvc.conf - Question #12Networking
Which configuration will provide an LPAR maximum network resilience and performance with two Ethernet adapters?
EtherChannelIEEE 802.3ad link aggregationnetwork resiliencesrc_dst_port mode - Question #13Storage Management
What is required for a volume group to be eligible for automatic Geographic Logical Volume Mirroring (GLVM) mirroring?
GLVMGeographic Logical Volume MirroringScalable Volume GroupLVM mirroring - Question #14System Management
Within a Perl script, how can the output of the hostname command be assigned to a variable called myHostname?
Perl scriptingcommand output capturevariable assignmentshell integration - Question #15Troubleshooting and Problem Determination
A system dump has been initiated on an LPAR and LED code "0c1" is displayed, indicating an I/O error. Where can the administrator find out more about this error?
system dumpLED codeI/O errorIBM Fix Central - Question #16Performance Monitoring and Tuning
Given the following characteristics, tuning which resource will provide the greatest benefit? CPU=80% busy Physical Memory=90% used Disks=80% busy Network=80% used File systems are...
performance bottleneck analysisdisk I/Oresource utilizationtuning priority - Question #17Troubleshooting and Problem Determination
The system administrator ran the following command to backup his image repository, but nothing was backed up to the file. Why? find /media -print | backup -I-f-p /dev/rmt0
backup command2GB file size limittape backupfind pipe - Question #18Storage Management
A system administrator needs to create a new volume group (VG) which will contain 100 physical volumes. The physical volumes are 10GB in size. The company plans to increase from 10...
Scalable Volume Groupvolume group planningphysical volume capacityLVM - Question #19Networking
A customer has purchased two dual-port Fibre Channel and two dual-port Ethernet cards. Which configuration will provide the greatest amount of redundancy for two client partitions?
dual VIO servernetwork redundancyFibre Channel redundancyclient partition design - Question #20Security
An administrator wants to run secure commands as user1 from hosta to hostb using OpenSSH. Which actions will configure SSH trust?
OpenSSHSSH key pairpublic key authenticationSSH trust - Question #21Networking
Which command will help determine if the primary Ethernet adapter in an EtherChannel has failed and the backup adapter is being used?
EtherChannelentstatadapter failovernetwork statistics - Question #22Security
A new security policy dictates that unnecessary default user accounts be removed. Which default user IDs are most eligible for removal?
default user accountssecurity policyaccount removalAIX user management - Question #23Performance Monitoring and Tuning
Performance monitoring is needed for a managed system containing multiple AIX7 LPARs. Which action enables historical data capture for the managed system?
NMONLPARperformance monitoringhistorical data - Question #24Security
What file needs to be modified to disable both telnet and local logins for the root UserlD?
root logintelnet disable/etc/security/userlogin restrictions - Question #25Troubleshooting and Problem Determination
How can the administrator remove all entries from the error log?
error logerrclearerrptlog management - Question #26Performance Monitoring and Tuning
Which level of information does the mpstat command provide when run inside an LPAR?
mpstatlogical processorsLPARCPU statistics - Question #27System Management
A user wants to run a batch job repetitively, but requires that each invocation starts five hours after the previous run finishes. What strategy will accomplish this?
at commandjob schedulingbatch processingcron - Question #28System Management
Given the following crontab entry, when will the job run? 30 5 * 9 * /usr/local/bin/maintenance
crontabcron syntaxjob schedulingtime fields - Question #29Storage Management
What is the purpose of using tape drive special files?
tape devicesspecial filestape operationsSCSI - Question #30Storage Management
While trying to extend a filesystem /work an administrator receives the following error: 0516-787 extendlv: Maximum allocation for logical volume fslv00 is 256. What must be done t...
extendlvlogical volumeLVMfilesystem extension - Question #31Storage Management
An administrator has been asked to consolidate disks on an LPAR. Given the following information, which group of actions will remove unneeded disk?
physical partition migrationLVMdisk consolidationvolume group - Question #32Troubleshooting and Problem Determination
Given the following information, why is an error returned when trying to unmount the fitesystem /var/logs/tsm?
filesystem unmountnested filesystemsmount pointsumount error - Question #33System Management
How can the emgr -I command be used?
emgrinterim fixesEFIXLOCKEDlslpp - Question #34System Management
With regard to an existing AIX 5.2 installation, what source format is required by the mkwpar command to create a Versioned WPAR of this existing system?
WPARmkwparmksysbVersioned WPAR - Question #35System Management
An administrator migrated a global environment of AIX 6 to AIX 7 using NIM. They have attempted to use the migwpar command to migrate a selection of hosted WPARs from AIX 6 to AIX...
WPAR migrationmigwpardetached WPARAIX upgrade - Question #36Storage Management
An administrator created a log logical volume named dbfs2loglv. Given the following output, why did the system create and use a new log logical volume rather than the log logical v...
JFS2log logical volumelogformfilesystem creation - Question #37Networking
During a recent network outage, the failover to the secondary DNS server was taking too long. The administrator found the RES_RETRY and RES_TIMEOUT values needed to be updated. Whe...
DNSresolver configurationRES_TIMEOUT/etc/environment - Question #38Networking
In order to enable an AIX host to use one virtual Ethernet adapter to communicate on multiple VLANs, what is required?
VLANvirtual EthernetAIX networkingtrunk adapter - Question #39Storage Management
An administrator needs to restore all files in the /myfs/test directory of the non-rootvg volume group backup, which is located on device /dev/cd1, and write the restored files to...
restvgbackupvolume group restorebackupfile restore - Question #40Storage Management
Which technology provides the maximum amount of usable storage and resilience for a system with 6 physical volumes?
RAID 5storage resilienceRAID levelsphysical volumes - Question #41System Management
Which command displays from which disk the operating system was last booted?
boot diskgetconfbootlistsystem boot - Question #42Troubleshooting and Problem Determination
The AIX hosts node1 and node2 have Ethernet adapters, both named ent0, configured on the same network. Both are dedicated physical 1GB adapter ports in a Host Ethernet Adapter. Bas...
Ethernet adaptermedia speed mismatchnetwork troubleshootingHost Ethernet Adapter - Question #43System Management
A company has numerous LPARs hosting database servers, and three versions of the DBMS deployed in the environment. A critical APAR fixes data corruption for one version of the data...
dsh node listAPAR managementpatch deploymentLPAR inventory - Question #44Troubleshooting and Problem Determination
Users on a server are receiving errors stating that they cannot fork any additional processes. The administrator checks server paging space and finds that it is only 5% used. What...
maxuprocprocess limitsfork errorssystem tuning - Question #45Networking
What is required to support VLANs in an AIX partition?
VLANIEEE 802.1Qvirtual networkingAIX networking - Question #46Installation and Configuration
How can administrators ensure that the Integrated Virtual Ethernet (IVE) adapters in their servers have the latest available firmware?
IVE adapterfirmware updatesystem firmwarePower Systems - Question #47Installation and Configuration
Why would the 'bffcreate -d /dev/cd0 -t/tmp/images all' command be run?
bffcreatesoftware packaginginstallation imagesAIX install - Question #48Networking
A server on the 165.x.x.x subnet is displaying network problems. The administrator uses a console connection and gathers the following information: Which action will permanently re...
routing tablechdevinet0persistent routes - Question #49Performance Monitoring and Tuning
Paging space on a system is almost entirely consumed. What temporary solution can be used to prevent the system from sending SIGKILL to processes while the administrator performs m...
paging spaceSIGKILLmemory managementswap - Question #50Performance Monitoring and Tuning
In the following output, what do the ec and pc columns mean?
lparstatentitled capacityphysical processorsLPAR metrics - Question #51Storage Management
The /test1 filesystem was built larger than required. An effort to shrink the filesystem was made, but the resulting filesystem size is larger than the size specified. Given the fo...
filesystem resizephysical partition sizeLVMshrink filesystem - Question #52Networking
What action will prevent the nfsd subsystem from activating at boot time?
NFSnfsdboot servicesexports file