A4040-221 Online Practice Questions and Answers

Which technology provides the maximum amount of usable storage and resilience for a system with 6 physical volumes?

A. RAID 0

B. RAID 1

C. RAID 5

D. RAID 6

AIX has been installed on an LPAR with 32 GB of memory. What should be checked first, before increasing the paging space beyond the default 512MB?

A. The maximum memory attribute in the LPAR profile.

B. Quantity and size of hosted filesystems.

C. Disk device distribution and utilization.

D. Paging requirements of applications that will be hosted.

How can an administrator enable the Workload Partitions Manager feature after AIX 7 has been installed with the default options?

A. Change AIX License using chlicense -I command

B. Change AIX edition using chedition -e command

C. Change WPAR License using chwpar -I command

D. Change WPAR edition using chwpar-e command

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?

A. The HMC Service Guide

B. The AIX Version 7.1 Commands Reference

C. HMC Event Log

D. IBM's Fix Central under Power Systems LED support page

A system that will be re-installed has the following characteristics:

If the following target_disk_data stanza is defined in the bosinst.data file used for the install, which disk will be installed with the operating system? target_disk_data: LOCATION = 0006bf1c3d817913 SIZE_MB = HDISKNAME = hdisk1

A. hdisk0

B. hdisk1

C. hdisk2

D. hdisk3

Given the following information, why is an error returned when trying to unmount the fitesystem /var/logs/ tsm?

A. The child filesystem /var/logs/tsm/livelog is still mounted.

B. The hd8 is still tied to the filesystem.

C. The filesystem is of type mount=true so cannot be unmounted while the system is running

D. The umount command is being run while inside the filesystem.

An existing LPAR hangs with an LED code of 0553 after a scheduled reboot. An administrator boots the LPAR into a maintenance mode to investigate the cause of the issue.

All filesystems fsck cleanly. There is plenty of space in / and /tmp. And /etc/inittab appears to be intact and valid.

Based on the following output, why is one of these symbolic links likely to be the cause of the LED code?

A. /bin should be linked to/sbin

B. /unix is attempting to boot a 32-bit kernel

C. /bin/bsh should be pointing to /opt/freeware/bin/bash

D. bash can interpret the AIX startup scripts differently to the default shell

When could an IVM instance be preferable to an HMC for Power Systems management?

A. Where multiple partition profiles are required

B. When Systems Director is used for central management

C. Where Power Compute Nodes are deployed in a PureFlex environment

D. When a single entry level Power Systems server needs to be split into LPARs

Given the NIB configuration shown below, what is the most likely reason that after a link failure for ent0,

there was no automatic failover to ent2?

A. Alternate Address is not set

B. No Internet Address to Ping is specified

C. Automatically Recover to Main Channel is set to yes

D. ent0 and ent2 have different media speeds specified

Which of the following is a requirement for a concurrent firmware update on a Power Systems server?

A. The firmware must be upgraded to a new release.

B. The Power Systems server must have a redundant FSP.

C. The Power Systems server must be managed by an HMC.

D. The primary partition must have all system resources assigned.