IBM CATE A4040-221 Questions & Answers

• Question 11:

  An existing LPAR is configured with a vSCSI disk for a root volume group. An administrator is configuring NPIV to provide secondary storage to the partition. DLPAR operations are used to add the required client and server adapters to the client and VIO Server partitions. Once the NPIV adapters have been configured, what action should be taken against the client LPAR to ensure access to SAN storage is not compromised?

  A. Shutdown and reboot AIX.

  B. Shutdown and reactivate the profile.

  C. Save the current configuration to a profile.

  D. Add the physical WWVPN to the virtual device configuration.

  Correct Answer: C

• Question 12:

  With regard to planned maintenance, which statement about interim fix management is correct?

  A. The interim fix must be manually committed prior to applying the updates.

  B. The interim fix will be automatically committed as part of the update process.

  C. If the fileset associated with interim fix will not be updated, it still needs to be temporarily rejected.

  D. If the updates include the official APAR, the update_all process will automatically uninstall the interim fix

  Correct Answer: D

• Question 13:

  A system with multiple applications is experiencing bursts of activity. This drives the free pages list very low, resulting in increased wait times for applications.

  Given the vmstat output below, what can be done to increase the number of free pages to compensate for these bursts of activity?

  

  A. Increase the maxpin tunable.

  B. Increase the page space size.

  C. Increase the lru_file_repage setting.

  D. Increase the minfree and maxfree tunables

  Correct Answer: D

• Question 14:

  What is the purpose of the certify operation against a local disk drive?

  A. Formats the drive

  B. Erases the drive

  C. Verifies sector integrity

  D. Establishes device quorum

  Correct Answer: B

• Question 15:

  An LPAR is the Global Environment for a number of both Shared and Private System WPARs. An administrator migrated the LPAR from AIX 6.1 to 7.1. What action must be performed to ensure the functionality of all Shared WPARs?

  A. migwpar-A

  B. wparmig -all

  C. instaiip -w-s

  D. update_all-wpar

  Correct Answer: A

• Question 16:

  Which of the following statements is true about using crontab and at to execute tasks?

  A. Commands scheduled with crontab are executed by at.

  B. Both commands can be used to schedule a weekly task to run for a user.

  C. User access control for both commands can be managed with .deny files in \var/adm/cron.

  D. Both commands preserve the current environment, including the user ID and current working directory

  Correct Answer: C

• Question 17:

  What optional AIX fileset must be installed to allow SFTP to be configured?

  A. bos.net.ipsec.rte

  B. bos.net.tcp.server

  C. openssh.base.server

  D. bos.net.ipsec.keymgt

  Correct Answer: A

• Question 18:

  How can ssh access for root be disabled?

  A. Remove the ssh line from /etc/inetd.conf.

  B. Set rlogin to false in /etc/security/user for root.

  C. Set PermitRootLogin to no in /etc/ssh/sshd_config.

  D. Set RootPasswordAuthentication to no in /etc/ssh/ssh_config

  Correct Answer: C

• Question 19:

  Based on the following topas output, what is the most cause for concern?

  

  A. I/O Wait

  B. Paging activity

  C. CPU allocation

  D. Storage write latency

  Correct Answer: C

• Question 20:

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

  

  A. The lpp_source was not created using base media.

  B. A source repository was not included in the command.

  C. The bos.rte fileset was not included in the lpp_source.

  D. The simage attribute was not specified in the command

  Correct Answer: A