S2000-025Preview

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?

Which command provides an overview of memory and paging space usage in order to identify memory bottlenecks due to excessive paging?

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?

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?

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?

Which was changed with the introduction of AIX v7.3?

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?

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?

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?

The iostat -D report gives more detail than the iostat default disk information.

Which two (2) field descriptions are correct? (Choose two.)

Which command displays values of system tunables?

What is Active System Optimizer (ASO)?

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?

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?

What are the classification types AIX applies to memory pages?

Which command sets an environment variable in the current shell and any of its children?

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?