IBM C4040-221 Online Practice Questions and Exam Preparation

IBM C4040-221 Online Questions & Answers

• Question 171:

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

• Question 172:

  An administrator has logged in as root but is unable to run the ksh script named rperf. Given the following information, how could this be fixed?

  

  A. Change the parent directory to be executable
  B. Change the owner of the script to root
  C. Change the file to be of extension ksh
  D. Change the permissions to 700
  D. Change the permissions to 700

• Question 173:

  An administrator noticed that the hostname is being resolved incorrectly after setting up TCP/IP on multiple interfaces. Further inspection shows the /etc/hosts file has duplicate entries for the hostname associated with different IP addresses. Which of the following is most likely the cause of this situation?

  A. IPv6 is in use and requires a hostname for every interface.
  B. The administrator ran smitty mktcpip on multiple interfaces.
  C. The DNS configuration has multiple separate DNS servers listed.
  D. An EtherChannel was setup using 2 network interfaces as primary adapters.
  B. The administrator ran smitty mktcpip on multiple interfaces.

• Question 174:

  An administrator has noticed that root receives email every day, stating that the Electronic Service Agent (ESA) has not been configureD. The company does not use ESA and the administrator would like the daily emails to stop. How can this be achieved?

  A. Use SMIT to configure the Electronic Service Agent.
  B. Remove the entry generating the email from root's crontab.
  C. Have an IBM SSR add the ESA keys to the HMC.
  D. Order an MES for the system, specifying the feature code to refuse ESA.
  A. Use SMIT to configure the Electronic Service Agent.

• Question 175:

  After performing a NIM rte install, the administrator noticed that not all filesets are at the correct Technology Level (TL). What action will help the administrator determine why the inconsistent fileset levels were installed?

  A. On the NIM server, run an Ippchk to identify if the Software Vital Product Data is valid.
  B. On the NIM client, run oslevel command against the TL to identify missing prerequisites.
  C. Run instfix command on NIM client to determine what filesets are inconsistent.
  D. On the NIM server run the NIM IsIpp command to indentify downlevel filesets contained in the lpp_source.
  D. On the NIM server run the NIM IsIpp command to indentify downlevel filesets contained in the lpp_source.

• Question 176:

  When attempting to connect to a remote system, a long delay is experienced before the login prompt is displayed. Which of the following is the most likely cause of this issue?

  A. The /etc/resolv.conf file on the remote system is missing.
  B. The /etc/resolv.conf file on the remote system has an invalid entry.
  C. The /etc/hosts file on the remote system does not have an entry for itself.
  D. The /etc/hosts file on the remote system has an invalid hostname listed for itself.
  B. The /etc/resolv.conf file on the remote system has an invalid entry.

• Question 177:

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

• Question 178:

  Which previously unsupported management feature does HMC V7R760 bring to Power Blade servers?

  A. Dual VIO Servers
  B. Hypervisor Mirroring
  C. N_Port ID Virtualization
  D. Active Memory Sharing
  A. Dual VIO Servers

• Question 179:

  An administrator saved a change to the active profile of an LPAR. When will the change take effect?

  A. Immediately after the profile is saved
  B. When the admin reboots the LPAR from within AIX
  C. When the Rebuild Managed System task completes
  D. When the LPAR is shutdown and the profile is activated from the HMC
  D. When the LPAR is shutdown and the profile is activated from the HMC

• Question 180:

  Which command can be used to monitor I/O activity?

  A. cpio
  B. alstat
  C. iostat
  D. vmstat
  D. vmstat