An administrator is tasked with installing and managing open source software packages on an AIX system. The AIX Toolbox team recommends using DNF for this purpose.
Which step is taken to install DNF correctly?
ADownload and execute the dnf_aixtoolbox.sh script
BRe-execute the system LIBPATH to prioritize /opt/freeware/dnf
CUse the dnf command to manually install all required dnf packages
DDownload and execute yum from the AIX Toolbox website
Which command provides an overview of memory and paging space usage in order to identify memory bottlenecks due to excessive paging?
Aps -mem all
Bmemstat -a
Csvmon -G
Dlsps -a
A system administrator oversees a small network consisting of several AIX servers and workstations. Due to the simplicity of the network and security requirements, they have chosen to manage local name resolution using the /etc/hosts file. Recently, a new server named “appserver” has been added to the network, and they need to update the /etc/hosts file accordingly. They decide to use the command-line method to make the necessary changes.
Which command adds the host appserver with IP address 192.168.1.10 to the /etc/hosts file?
Aecho “192.168.1.10 appserver” >> /etc/hosts
Baddhost -f /etc/hosts -i 192.168.1.10 appserver
Cedithosts -add appserver -ip 192.168.1.10
Dhostent -a appserver -i 192.168.1.10
A critical application keeps its configuration files and database in the jfs2 filesystem /app.
In order to avoid application downtime, which action would you take to create a point-in-time consistent vg backup using savevg?
AQuiesce the application and unmount the file system /app then run savevg backup
BReboot the system into single user mode and then run savevg backup when the OS starts
CFind application process id (ps -ef ...) and execute echo kill -6 /proc/pid and then run savevg
DUse the appropriate flag to create a snapshot and then backup the snapshot
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An administrator needs to boot an AIX LPAR from AIX installation media. They have a running VIO server and a virtual media library with installation media available, but the network is not yet available.
Where do they boot from?
AVirtual media from the Hardware Management Console (HMC)
BVirtual optical device from the Virtual Media Mirror (VMM)
CVirtual optical device from Virtual SCSI (vSCSI)
DVirtual media from the Baseboard Management Controller (BMC)
Which was changed with the introduction of AIX v7.3?
ABoth ntp version 3 and version 4 commands are supported
BOnly ntp version 4 and 5 are supported, and support for version 3 is dropped
Cntp version 3 was dropped and version 3 commands are links to the version 4 equivalent
Dntp version 3 was dropped, so version 3 commands (for example, xntp) no longer work
A system administrator would like to review the messages that appeared on the server console during system boot up.
Which command can the administrator use to view the console messages after the system has already booted?
Aalog
Bdmesg
Csyslog
Derrpt
A system administrator for a company relies heavily on NFS to share file systems between servers and clients. They are tasked with setting up a new NFS server to export specific directories and manage client access. Their configuration file, /etc/exports, contains
Which command do they run to update the NFS subsystem with the new exports defined in /etc/exports?
Aexportfs
Bshowmount
Cnfsstat
Dmount
Looking through subdirectories in the /home file system. Running ls -al, an administrator notices that one directory shows only 123 as owner instead of a name.
How is this situation explained?
AUser with UID 123 is a special user with an encrypted home directory
BThe administrator used incorrect ls command options
CUsers are generally identified by their UIDs in AIX, not by their names
DUser with UID 123 was removed from the system, but not their files
The iostat -D report gives more detail than the iostat default disk information.
Which two (2) field descriptions are correct? (Choose two.)
Atps: The number of transfers per second that were issued to the physical disk/tape
Bsqfull: How many times the service queue became full in the last hour
Cavgtime: The average time that is spent by a transfer request in the wait queue
Davgserv: The average number of elements waiting in the service queue per second
Eavgwqsz: The average wait queue size in bytes
Which command displays values of system tunables?
Asysctl
Blsdev
Cvmo
Dlsattr
What is Active System Optimizer (ASO)?
AA process that runs on the Cloud Management Console to report the allocation of CPU and memory across the PEP 2.0 pools
BA process that runs in the hypervisor to move unused cpu resources from one Ipar to another when required
CA user level daemon that analyses workloads on the system to determine possible performance improvements
DA licensed program provided as required by IBM support to help resolve system performance issues
A security requirement is established that files on AIX servers should not be shared by default, so new files and directories are exclusively accessible by their owner.
Which umask command is used to implement this requirement?
Aumask 047
Bumask 077
Cumask 022
Dumask 027
An administrator compares the output of the lsuser command and the contents of /etc/passwd. There are 116 user accounts in the lsuser output but only 16 in /etc/passwd.
What would be a reason for that?
A/etc/passwd contains only system accounts, all other users are in /etc/security/user
B/etc/passwd doesn't play any role on AIX, the information is stored in /etc/security/passwd
C/etc/passwd contains only local accounts, for other users an external user registry like LDAP is used
D/etc/passwd doesn't contain any users, only references to other authentication mechanisms
What are the classification types AIX applies to memory pages?
AComputational and file
BActive and transient
CConsistent and flash
DBuffer and cache
Which command sets an environment variable in the current shell and any of its children?
Aenv VAR=value
BVAR=value
Cset VAR=value
Dexport VAR=value
The IT security department implements AIX CIS benchmark and requires that all world-write permissions be dropped from files. The users consultant1 and consuitant2 manage applications and must be able to write into file app2.log.
Which commands change permissions settings on the file app2.log to implement both requirements?