IBM C4040-221 Actual Free Exam Questions & Community Discussion

Exam Code/Number: C4040-221
Exam Name/Title: AIX 7 Administration
Certification Provider: IBM
Corresponding Certification: IBM Certifed Systems Expert

Exam Questions: 229
Updated On: May 28, 2026

Question #45

What will the following script have NMON do?

A. Collect data every 5 minutes until midnight

B. Collect data every 5 minutes for 24 hours

C. Collect 300 data snapshots in /var/log/nmon

D. Collect data every hour in /var/log/nmon

Discussion 0

Correct Answer: A Vote an answer

Question #46

An administrator plans to duplicate the active rootvg on a given system to a spare disk that will be migrated to newer hardware. Which flag on 'alt_disk_copy' must be used to reset user-defined device configurations to defaults?

A. D

B. X

C. O

D. R

Discussion 0

Correct Answer: C Vote an answer

Question #47

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. Automatically Recover to Main Channel is set to yes

B. No Internet Address to Ping is specified

C. ent0and ent2 have different media speeds specified

D. Alternate Address is not set

Discussion 0

Correct Answer: B Vote an answer

Question #48

Which RAID technology will provide the maximum data protection and available storage for a system with 6 physical disks?

A. RAID 5 + Hot Spare (striping + parity + spare)

B. RAID 6 (striping + double parity)

C. RAID 0 (striping)

D. RAID 1 (mirroring)

Discussion 0

Correct Answer: B Vote an answer

Question #49

Which TWO groups of actions will create a CDROM file system for device cd0 and mount this on /cdfs? (Select 2)

A. Define cd0 mount point as /cdfs in /etc/filesystems as vfs type jfs2 mount /cdfs

B. mkfs-v/cdfs/dev/cd0 mount /cdfs

C. Define cd0 mount point as /cdfs in file /etc/cdromd.conf startsrc -s cdromd cdmount cd0

D. cdutil-s-kcd0/cdfs mount /cdfs

E. crfs-vcdrfs-pro-d'cd0'-mVcdfs' mount /cdfs

Discussion 0

Correct Answer: C,E Vote an answer

Question #50

An LPAR is configured with strict logical volume mirroring across two disks for resilience. The administrator would like to ensure if one disk fails the volume group stays online. Which command will ensure that the datavg volume group stays online?

A. varyonvg -n datavg

B. mklvcopy -e m -s y (each logical volume name) 2

C. mirrorvg-Q-c 2 datavg

D. chvg -Qn datavg

Discussion 0

Correct Answer: D Vote an answer

Question #51

What is a mandatory requirement to allow an AIX 7-based NIM Master to install clients over IPv6?

A. The NIM Master must use static IPv6 addresses.

B. The NIM Master must be running at least AIX 7.1 TLOO Service Pack3 or later.

C. The NIM Master must be installed with the AIX Enterprise Edition license.

D. The NIM Master must have both IPv4 and IPv6 connectivity.

Discussion 0

Correct Answer: A Vote an answer

Question #52

A user wants to run a batch job repetitively, but requires that each invocation starts five hours after the previous run finishes. What strategy will accomplish this?

A. Create a file containing the job commands, using the 'at' command as the final line of the file.

B. Add an entry to the crontab to submit the job every five hours.

C. Submit the job with 'at', using the average run time of the job plus five hours as the interval.

D. Create a wrapper script that launches the job in the background and then sleeps for the designated period before launching it again.

Discussion 0

Correct Answer: A Vote an answer

Question #53

The AIX hosts node1 and node2 have Ethernet adapters, both named ent0, configured on the same network. Both are dedicated physical 1GB adapter ports in a Host Ethernet Adapter. Based on this information and the output shown for each node, what is the most likely cause of intermittent failures and slow communication between these adapters?

A. The Multi-Core Scaling mode is enabled. Multi-Core Scaling is interfering with communications because the processor is too busy.

B. The Shared Ethernet Adapter does not have enough bandwidth to accommodate the network traffic.

C. The media speed is set differently on the adapters than the endpoints on the switch.

D. The jumbo_frarnes setting is 'no' and should be set to 'yes'.

Discussion 0

Correct Answer: C Vote an answer

Question #54

On a system that currently boots from hdisk0, what command will extend the boot order to include hdisk1?

A. bosboot-M norm hdisk0 hdisk1

B. bosboot-e hdisk0 hdisk1

C. bootlist-ahdisk0 hdisk1

D. bootlist-m normal hdisk0 hdisk1

Discussion 0

Correct Answer: D Vote an answer

Question #55

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

A. RAID 0

B. RAID 5

C. RAID 1

D. RAID 6

Discussion 0

Correct Answer: B Vote an answer

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