Try and practice the latest IBM : A4040-221 real questions & answers
Updated: Aug 03, 2026
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IBM A4040-221 Exam Overview:
| Certification Vendor: | IBM |
| Exam Name: | IBM AIX 7 Administration |
| Exam Number: | C4040-221 |
| Exam Format: | Multiple choice questions |
| Related Certifications: | IBM Certified System Administrator - AIX IBM Certified Advanced System Administrator - AIX |
| Available Languages: | English |
| Recommended Training: | IBM Training - AIX Administration |
| Exam Registration: | Pearson VUE IBM Exams IBM Certification Portal |
| Sample Questions: | IBM A4040-221 Sample Questions |
| Exam Way: | Computer-based exam delivered through authorized testing centers or online proctoring (Pearson VUE). |
| Pre Condition: | Recommended experience with UNIX/Linux system administration and AIX operating system fundamentals. |
| Official Syllabus URL: | https://www.ibm.com/certify |
IBM A4040-221 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: System Maintenance and Troubleshooting | - Performance monitoring - Problem determination and logging |
| Topic 2: System Configuration and Administration | - Installation and configuration of AIX 7 - System startup and shutdown procedures |
| Topic 3: Networking | - Network troubleshooting - TCP/IP configuration |
| Topic 4: User and Security Administration | - Permissions and access control - User and group management |
| Topic 5: Storage Management | - File systems management (JFS/JFS2) - Logical Volume Manager (LVM) |
IBM Assessment: AIX 7 Administration Sample Questions:
1. What will the following script have NMON do?
A) Collect data every 5 minutes for 24 hours
B) Collect data every 5 minutes until midnight
C) Collect data every hour in /var/log/nmon
D) Collect 300 data snapshots in /var/log/nmon
2. How can an administrator determine if DLPAR operations can be performed for a specific LPAR?
A) Run the rmcctrl -d command on the local HMC.
B) Run the Isdlpar -partition command on the local HMC.
C) Run the IsrsrclBM.MCP command on the LPAR.
D) Run the Iparstat -dlpar command on the LPAR.
3. An administrator was told to reverse the search order of a working DNS lookup. During application testing it was discovered that network resolution was not working for the end users.
Given the following output, what is the most likely cause?
A) Incorrect file permissions on the/etc/resolv.conf file.
B) The host is not on the network.
C) The first DNS server is unreachable.
D) The netsvc.conf has the incorrect host lookup order.
4. An administrator plans to migrate an LPAR from one host to another using a mksysb restore. The source system has a mirrored rootvg on two 72GB disks. The destination system has one 72GB disk.
Which of the following would allow the mksysb to be restored successfully on the destination system?
A) Ensure the option 'Shrink Filesystems'and 'Use Maps' are set to no when restoring the mksysb.
B) Update the image.data file for the mksysb lv_source_disk_list, copies and PP values for each LV.
C) Update the image.data file for the mksysb and add the attribute mirror=false under logical_volume_policy stanza.
D) Update the bosinst.data file for the mksysb target_disk_data value for the volume group.
5. During a recent network outage, the failover to the secondary DNS server was taking too long. The administrator found the RES_RETRY and RES_TIMEOUT values needed to be updated. Where are these values updated?
A) /etc/environment
B) /etc/security/limits
C) /etc/rc.net
D) /etc/inetd.conf
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: A |
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