IBM IBM Certified System Administrator - AIX V1 C9010-022 Questions & Answers

• Question 161:

  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.

  Correct Answer: A

• Question 162:

  Paging space on a system is almost entirely consumeD. What temporary solution can be used to prevent the system from sending SIGKILL to processes while the administrator performs more in-depth problem determination?

  A. Use swapon to flush paging space entries to physical memory.

  B. Use tuning commands to change the system behavior so it does not terminate processes

  C. Increase the existing paging space.

  D. Use tuning commands to set the page space kill threshold to 100%.

  Correct Answer: C

• Question 163:

  A system administrator wants to create a server with network redundancy and maximum I/O throughput over two Ethernet cards. Which option will support the requirement?

  A. Create an 802.3ad Link Aggregation adapter backed by both Ethernet cards and cable to a switch with 802.3ad enabled ports.

  B. Create a Network Interface Backup (NIB) with each Ethernet card being cabled to a different switch.

  C. Create the file /etc/sysconfig/network-scripts/ifcfg-bond0 then edit the two ifcfg-ethX configuration files to add a master or slave option. Cable to two switches and use 802.3ad enabled ports.

  D. Create a virtual adapter and assign it to the server, use both Ethernet adapters as backing devices to the virtual adapter with the mkvdev command. Have each adapter cabled to separate switches.

  Correct Answer: A

• Question 164:

  An administrator wants to reorganize some of the logical volumes in the datavg volume group.What TWO things must the administrator verify before starting the reorganization? (Select 2)

  A. Enough free physical partitions exist to accommodate the largest logical volume being reorganized.

  B. At least one free physical partition exists.

  C. That noneof the logical volumes contain a paging space.

  D. The logical volumes being reorganized are relocatable.

  E. Quorum has been disabled for the volume group.

  F. The volume group descriptor area (VGDA) has room to expand.

  G. That any raw logical volumes beingre-organized are closed.

  Correct Answer: BD

• Question 165:

  An administrator wants to run secure commands as user1 from hosta to hostb using OpenSSH. Which actions will configure SSH trust?

  A. Create a public and private key on hosta Copy contents of public key to hostb file /home/user1/.ssh/authorized_keys2

  B. Create a public and private key on hostb Copy contents of private key to hosta file /home/user1/.ssh/authorized_keys2

  C. Create a public and private key on hosta Copy contents of key to hostb file /usr/openssh/.ssh/authorized_keys2

  D. Create a public and private key on hosta Copycontents of private key to hostb file /home/useM/ ssh/authorized_keys2

  Correct Answer: A

• Question 166:

  Users on a server are receiving errors stating that they cannot fork any additional processes. The administrator checks server paging space and finds that it is only 5% used. What is the next most likely cause of theforking issue and what action should be taken to resolve it?

  A. Corruption has occurred to the bos.rte.control fileset. Reinstall the fileset with the -f option.

  B. The number of fixed licenses has been reached. Use 'chlicense' to increase the limit andreboot the system.

  C. System requires additional table space as well as paging space. Check the table space and increase as required.

  D. The system has the default maxuproc system attribute. This should be increased to a value appropriate for the environment.

  Correct Answer: D

• Question 167:

  An administrator upgraded the rpm.rte fileset. During the installation, the bos.rte install fileset was automatically upgraded aswell Given the following information, which action will allow the administrator to back out the changes?

  

  A. REJECT both fileset upgrades.

  B. COMMIT the bos.rte.install upgrade and REJECT both fileset upgrades.

  C. REJECT the bos.rte.install fileset andoverwrite install the rpm.rte with the previous version

  D. REJECT the bos.rte.install fileset and CLEANUP the rpm.rte upgrade.

  Correct Answer: C

• Question 168:

  Given the following crontab entry, when will the job run?

  30 5 * 9 * /usr/local/bin/maintenance

  A. Every day in September at 05.30

  B. Every day at 05.00 and 09.00 for 30 days

  C. Every 30 minutes for the first 5 days in September

  D. Only on the 30th of May in 9 minute intervals

  Correct Answer: A

  Reference:http://www.adminschoice.com/crontab-quick-reference

• Question 169:

  Which level of information does the mpstat command provide when run inside an LPAR?

  A. The simultaneous multi-threading LPAR profile setting.

  B. Overall managed system logical processors utilization.

  C. Performance statistics for all logical processors inside the LPAR.

  D. Number of online physical processors in the pool where the LPAR resides.

  Correct Answer: C

• Question 170:

  Which command is used to change the reserve policy of a disk?

  A. chdev

  B. chpv

  C. chvg

  D. chattr

  Correct Answer: A