C4040-227 by IBM Valid Free Exam Practice Test

Question 1

Why has the following message returned when creating a NIM lpp_source from a the AIX 7100-02-01 Service Pack?

A. The simage attribute was not specified in the command B. The bos.rte fileset was not included in the lpp_source. C. The lpp_source was not created using base media. D. A source repository was not included in the command.

Correct Answer: C

Question 2

One disk within a mirrored rootvg volume group failed and was replaced. What is the first action the administrator must take after re-establishing mirroring?

A. Recreate/dev/ipldevice. B. Create the boot image on the replaced disk. C. Copy/dev/hd5 to the new disk. D. Re-enable volume group quorum.

Correct Answer: B

Question 3

An administrator changed the hostname of a system from dbtest.company.com to dbprod.company.com using SMIT. The new entry in /etc/hosts is:
192.168.56.100 dbprod.company.com When the administrator issued the host command, the following result was observed. #> host dbprod host: 0827-801 Host name dbprod does not exist.
#> host 192.168.56.100
dbtest.company.com is 192.168.56.100
Until DNS records can be updated, which action will allow the host command to return the correct name and IP address?

A. Modify/etc/resolv.conf and specify the new nameserver B. Modify/etc/nsswitch.conf and set hosts: files dns C. Modify/etc/netsvc.conf and set hosts = local, bind D. Modify/etc/mrouted.conf and add: dbprod "dbprod" +192.168.56.100

Correct Answer: C

Question 4

Within the context of a script, what must be considered when using stopsrc to stop a running subsystem?

A. Return code will be non-zero should the subsystem fail to stop. B. Return code will be zero, regardless of outcome. C. The command can only run in the foreground. D. The command will wait for the given subsystem to shutdown, before returning.

Correct Answer: B

Question 5

Which command will help determine if the primary Ethernet adapter in an EtherChannel has failed and the backup adapter is being used?

A. ethstat B. ifconfig C. entstat D. Isagg

Correct Answer: C

Question 6

Why does the following ksh code segment fail to run?

A. The segment is missing an 'else' default statement. B. The 'if statement must be terminated with an 'end1 keyword. C. An alphanumeric operator is being used to compare the integer variable. D. The 'elseif keyword is not valid within ksh scripts.

Correct Answer: D

Question 7

Which command will display the time and date of the last boot?

A. time-x B. last-b C. boot-b D. who-b

Correct Answer: D

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Question 8

What action will prevent the nfsd subsystem from activating at boot time?

A. Amend the permissions of/etc/rc.tcpip file to remove execution rights. B. Update /etc/inetd.conf to remove the call to startsrc for the NFS subsystem group. C. Remove the /etc/exports file. D. Change the Action attribute from 'wait' to 'once' for the rcnfs line within the /etc/inittab.

Correct Answer: C

Question 9

What is a requirement for Live Partition Mobility?

A. The client partition must be connected to a SAN. B. The network and disk must be virtual. C. The disk must be virtual and a Logical Host Ethernet Adapter (LHEA) for network. D. The client partition must be set up as a 'Mover Service Partition'.

Correct Answer: B

Question 10

Given the following characteristics, tuning which resource will provide the greatest benefit?
CPU=80% busy Physical Memory=90% used Disks=80% busy Network=80% used Filesystemsare90%full.

A. Memory B. Network C. Filesystems D. Disks

Correct Answer: D

Question 11

A company has numerous LPARs hosting database servers, and three versions of the DBMS deployed in the environment. A critical APAR fixes data corruption for one version of the database, but it requires a server reboot. The only inventory information available is a spreadsheet with every LPAR's hostname and root password.
Which sequence of tasks will determine which servers are missing the critical APAR, and only apply it to the servers running the affected level of the database?

A. Use the spreadsheet to create a dsh node list.
Use dsh with Islpp to create a node list for LPARs needing the APAR.
Use dcp and dsh to install the APAR and reboot. B. Use the spreadsheet to populate the /etc/hosts file on the management node.
Configure a NIM server that has the APAR in an lpp_source.
Force-register all of the LPARs with the NIM server.
Use NIM group operations to install the APAR and boot at a scheduled time. C. Configure a Systems Director server using the spreadsheet import function.
Use the inventory function to discover the database level and APAR status.
Use the Update Manager to apply the APAR to the affected LPARs and reboot. D. Use the spreadsheet to create a dsh node list.
Use dcp and dsh to install the APAR.
Use dsh to reboot the systems.

Correct Answer: A

Question 12

What is the purpose of using the ssh-keygen -t dsa command?

A. Securely transfer files between AIX instances without a password prompt using ftp B. Allow a user to switch to the root user without knowing the root password. C. Establishing credentials for a secure connection between systems. D. Provide performance monitoring agents to monitor encrypted file systems.

Correct Answer: C

Question 13

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

Correct Answer: C

Question 14

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

Correct Answer: D

Question 15

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

A. The NIM Master must be installed with the AIX Enterprise Edition license. B. The NIM Master must have both IPv4 and IPv6 connectivity. C. The NIM Master must be running at least AIX 7.1 TLOO Service Pack3 or later. D. The NIM Master must use static IPv6 addresses.

Correct Answer: D

IBM Associate AIX 7 Administration - C4040-227 Exam Practice Test