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IBM IBM Certifed Systems Expert A4040-221

A4040-221

Exam Code: A4040-221

Exam Name: Assessment: AIX 7 Administration

Updated: Jun 21, 2026

Q & A: 229 Questions and Answers

A4040-221 Free Demo download:

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IBM Assessment: AIX 7 Administration Sample Questions:

1. The following output shows that a logical volume was renamed, but the change does not appear to be effective. What is the most likely cause?

A) The filesystem needs to be remounted.
B) Only raw logical volumes can be renamed.
C) The volume group should have been inactive.
D) The log device needs to be renamed as well.
E) The command did not perform the change.


2. 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 /data/myfiles.
Which is the correct command?

A) restore -Tf /dev/cd1 -r -s -d /data/myfiles /myfs/test
B) restvgfiles -f /dev/cd1 -r-s -d /data/myfiles ./myfs/test
C) Ismksysb-f/dev/cd1 -r-s-d/data/myfiles ./myfs/test
D) restvgbackup -f /dev/cd1 -r-s -d /data/myfiles ./myfs/test


3. In the following figure, what TWO things must be done before an EtherChannel can be created from the ent0 and ent1 adapters?

A) The en1 interface must be configured with IP information.
B) The IP configuration must be removed from en0.
C) The ent0 and ent1 adapters must be connected to different switches to provide both additional bandwidth and adequate redundancy in the EtherChannel that is created.
D) EtherChannel support capability must be verified for the Ethernet switch.
E) The AIX host must be completely disconnected from the network,


4. 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/bsh should be pointing to /opt/freeware/bin/bash
B) bash can interpret the AIX startup scripts differently to the default shell
C) /unix is attempting to boot a 32-bit kernel
D) /bin should be linked to/sbin


5. Two different administrators are asked to change the hostname of a system due to a misunderstanding The current hostname is set to misunderstanding. The current hostname is set to 'ozi'. The first administrator thinks the hostname should be set to 'kiwi' and he runs the command:
# hostname kiwi
He checks his work by running the hostname command again and he sees this output
# hostname kiwi
The second administrator thinks the hostname should be 'texan' and he runs the command:
# uname -S texan
He checks his work by running uname -n and sees the output
# uname -n texan
What will be the output of the hostname and uname -n command when the system reboots?

A) The output of both commands will be 'kiwi' after reboot.
B) The output of both commands will be 'ozi' after reboot.
C) The output of both commands will be 'texan' after reboot.
D) The output of the hostname command will be 'kiwi' and the output of the uname -n command will be texan".


Solutions:

Question # 1
Answer: A
Question # 2
Answer: D
Question # 3
Answer: B,D
Question # 4
Answer: B
Question # 5
Answer: B

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