Free IBM S1000-007 Practice Exam with Questions & Answers

The command used to monitor SAN I/O performance/throughput is iostat -DIRT 60 10. The iostat command is used to monitor I/O performance and throughput on a SAN device. The DIRT (Disk I/O Response Time) flag can be used to display the response time for each I/O request. The last two arguments, 60 and 10, are the interval (in seconds) and the number of iterations respectively. This command will monitor I/O performance/throughput every 60 seconds for 10 iterations.

The IBM AIX Toolbox for Linux Applications provides a collection of open-source software packages that can be installed on AIX systems. However, IBM does not offer standard or extended support for these open-source packages. The software is provided as-is, meaning that users can utilize the software but are responsible for managing and troubleshooting it without official support from IBM.References: IBM AIX Toolbox for Linux Applications

Mirror pools in AIX allow administrators to define specific sets of disks that can be used for mirroring logical volumes. This feature provides greater control over the allocation of mirror copies, ensuring that each copy is placed on separate, specified disks to improve data redundancy and reliability. This setup helps in managing disk utilization and performance more efficiently. The other options do not accurately describe the primary benefit of mirror pools.References:= IBM AIX Documentation

AIX allows for the management of subsystems on remote systems through the System Resource Controller (SRC). This means that an administrator can issue commands to start, stop, or restart subsystems on remote AIX systems. Thesrcmstrprocess does not need to be halted to restart subsystems, and not all subsystems can be restarted using therefreshcommand.References:= IBM AIX Documentation

In AIX, the number of virtual CPUs assigned to a Logical Partition (LPAR) determines its potential access to CPU resources. Virtual CPUs represent the CPU capacity that the LPAR can use, but they rely on physical CPUs to process workloads. The more virtual CPUs an LPAR has, the greater its access to CPU time, but they must be backed by physical CPU resources.References:= IBM AIX Documentation

If a session hangs after entering the password, it is most likely due to problems with the authentication mechanism. This could be due to issues with the configuration of authentication services, network delays in authentication if using network-based authentication (such as LDAP), or misconfigurations in the PAM (Pluggable Authentication Module) settings. The other options, such as thepasswddaemon, full file systems, or network failures, are less likely to cause a login hang at this stage.References:= IBM AIX Documentation

Thelparstat -icommand provides detailed information about the logical partition, including whether it is using shared or dedicated processor resources. This command displays the partition's configuration, processor mode, and other relevant details that help the administrator determine the resource-sharing status.References:= IBM AIX Documentation

After connecting to the Hardware Management Console (HMC) via SSH, thevtmenucommand allows the administrator to open a console session to an AIX virtual machine. This command provides a menu-driven interface for accessing virtual terminal sessions of managed logical partitions.References:= IBM AIX Documentation

The commandprtconfprovides detailed information about the configuration of a running partition, including the configured devices. This command outputs the current state of the system, making it useful for administrators to retrieve configuration details.References:= IBM AIX prtconf Command Documentation

Therpmcommand is used to install, update, and manage packages from the AIX Toolbox for Linux Applications. This toolbox provides GNU and open source tools for AIX, and therpmcommand handles the package management of these tools.References:= IBM AIX Toolbox for Linux Applications