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質問 # 26
The administrator of an AIX NIM client system has accidentally removed the /etc/niminfo file. Which method is used to rebuild the /etc/niminfo file?
- A. Use the rep command on the AIX client system to copy the /etc/niminfo file from the NIM master.
- B. Use the nimclient command on the AIX client system to rebuild the /etc/niminfo file.
- C. Use the niminit command on the AIX client system to rebuild the /etc/niminfo file.
- D. Use the nimclient command to restore the /etc/niminfo file from the most recent mksysb backup image.
正解：D
質問 # 27
Which logical volume Mirror Write Consistency policy should an AIX V7.2 administrator use to achieve the data consistency between mirrors?
- A. off
- B. active
- C. round robin
- D. superstrict
正解：B
質問 # 28
Which logical volume Mirror Write Consistency policy should an AIX V7.2 administrator use to achieve the data consistency between mirrors?
- A. off
- B. active
- C. round robin
- D. superstrict
正解：D
解説：
The superstrict mirror write consistency policy is the most reliable policy for achieving data consistency between mirrors in AIX V7.2. This policy will maintain the data consistency between mirrors by writing the data to both mirrors before the write operation is acknowledged as complete. Reference: IBM AIX v7 Administration Specialty Study Guide (section 10.6.2, pp. 651-652).
質問 # 29
What command is used to monitor SAN I/O performance/throughput?
- A. mpstat -w 1
- B. ioo -L
- C. vmstat -i 1
- D. iostat -DIRT 60 10
正解：D
質問 # 30
An administrator starts an AIX LPAR and wants to monitor the boot process using the HMC console.
Which command in HMC SSH session lists all managed systems, LPARs on them and offers an easy way to open a console window to an AIX LPAR?
- A. lssyscfg
- B. lsrefcode
- C. mkvterm
- D. vtmenu
正解：A
解説：
According to the IBM AIX v7 Administrator Specialty Study Guide, the lssyscfg command is used to display detailed information about a system configuration. It can also be used to open a virtual terminal session to an AIX LPAR.
質問 # 31
An administrator wants to check which system tunables have been changed in the system since last boot.
Which procedure provides the information needed?
- A. View the /etc/tunables/currentconfig file and search for change marks in the file.
- B. Run lstuncfg -1 I grep -v DEFAULT.
- C. Run tunsave -f ./currentconfig; more ./currentconfig.
- D. Run the no, ioo and scftedo commands with the -cf flag.
正解：B
質問 # 32
What are three states a device can have when connected to an AIX system?
- A. Available
- B. Blocked
- C. Defined
- D. Stopped
- E. Suspended
- F. Running
正解：A、C、D
解説：
Devices that are connected to the system can be in one of four states.
Devices that are connected to the system can be in one of the following states:
Item
Description
Undefined
The device is unknown to the system.
Defined
Specific information about the device is recorded in the customized database, but it is unavailable to the system.
Available
A defined device is coupled to the operating system, or the defined device is configured.
Stopped
The device is unavailable but remains known by its device driver.
If a tty device and a printer alternately use the same tty connector, both a tty device and a printer are defined on the same parent and port in the device configuration database. Only one of these devices can be configured at a time. When the tty connector is configured, the printer specific setup information is retained until it is configured again. The device is not removed; it is in the defined state. Maintaining a device in defined state retains customized information for a device that is not currently in use, either before it is first made available or while it is temporarily removed from the system.
If a device driver exists for a device, the device can be made available through the device driver.
https://www.ibm.com/docs/en/aix/7.2?topic=nodes-device-states
質問 # 33
An AIX administrator is struggling with installing RPM packages. When they try to install a package, errors appear that there are prerequisite RPMs that also need to be installed. Which tool can be used to simplify resolving these dependencies?
- A. dpkg
- B. rpm
- C. yum
- D. installp
正解：B
質問 # 34
An administrator is tasked with installing an open source package. They are told to use the IBM AIX Toolbox for Linux Applications because the organization wants to be able to open tickets with IBM support.
What should the administrator tell the requester?
- A. IBM offers extended support for open source software that is licensed with the hardware.
- B. IBM offers standard support for open source software that is licensed with the operating system.
- C. IBM offers extended support for open source software and they need to verify entitlement.
- D. IBM offers this open source software as-is.
正解：C
解説：
"IBM provides extended support for open source software installed on AIX systems. The customer must verify entitlement for such packages and must contact IBM Support to open a ticket." Therefore, the administrator should tell the requester that IBM offers extended support for open source software, but they need to verify entitlement before they can open a ticket with IBM Support.
質問 # 35
Which command should be used to perform a graceful shutdown and reboot of an AIX LPAR?
- A. halt
- B. bosboot
- C. shutdown
- D. reboot
正解：C
質問 # 36
A system administrator needs to open a console to an AIX virtual machine that is controlled by a Hardware Management Console (HMC). After connecting to the HMC using SSH, which command should the administrator run to open a console?
- A. mkrep
- B. mJcvdev
- C. oem_setup_env
- D. mlcvterm
正解：D
解説：
The mlcvterm command is used to open a console to an AIX virtual machine that is controlled by a Hardware Management Console (HMC). According to the IBM AIX v7 Administrator Specialty Study Guide, the mlcvterm command allows you to open a terminal window to the console of a logical partition (LPAR) running AIX.
質問 # 37
While executing the following extendvg command, the system administrator receives the following error:
The administrator used the chvg -t command to fix the error.
What is the implication of running this command?
- A. It reduces the maximum number of logical volumes allowed within that volume group.
- B. It reduces the maximum number of files allowed within that volume group.
- C. It reduces the maximum file size allowed within that volume group.
- D. It reduces the maximum number of physical volumes allowed within that volume group.
正解：D
解説：
The chvg command with the -t option is used to reduce the maximum number of physical volumes (PVs) allowed in a volume group (VG). This is necessary when the number of PVs in a VG exceeds the maximum allowed. Reference: IBM AIX v7 Administration Specialty Study Guide (section 10.3.3, pp. 641-642).
質問 # 38
A customer runs smit on the AIX command line and receives the message below:
1800-005 SMIT requires a minimum of 24 line by 80 column output display.
What can be done to resolve the error?
- A. Resize their window.
- B. Make sure they are running as the root user.
- C. Set the TERM variable to smit.
- D. Change their DISPLAY environment variable.
正解：A
質問 # 39
A system administrator needs to open a console to an AIX virtual machine that is controlled by a Hardware Management Console (HMC). After connecting to the HMC using SSH, which command should the administrator run to open a console?
- A. mkrep
- B. mJcvdev
- C. oem_setup_env
- D. mlcvterm
正解：D
質問 # 40
An AIX system is defined as a NIM client with -a connect=shell. The client system is up and running. The client can ping the NIM master, and the master can ping the client. The administrator of the NIM master system attempts to use NIM to install software updates on the NIM client, but receives the error message Permission denied.
What can the administrator of the AIX NIM client do to help resolve the problem?
- A. Check the firewall configuration and open port 1066 if required.
- B. Edit the /etc/services file to check the port number used for the nimreg service, then refresh inetd.
- C. Check that the root user's .rhosts file has an entry for the NIM master, and that the file permissions are
600. - D. Flush the arp cache and then reboot the client system to ensure the network route table is correct.
正解：B
質問 # 41
A customer added paging space and needs to activate it automatically after the next reboot. Which command should the administrator issue?
- A. chps
- B. swapon
- C. mklv
- D. mkps
正解：D
解説：
The mkps command creates a paging space and activates it when the system is rebooted. This is explained in the IBM AIX v7 Administrator Specialty Study Guide, under the topic "Creating and Activating a Paging Space".
質問 # 42
An AIX system is defined as a NIM client with -a connect=shell. The client system is up and running. The client can ping the NIM master, and the master can ping the client. The administrator of the NIM master system attempts to use NIM to install software updates on the NIM client, but receives the error message Permission denied.
What can the administrator of the AIX NIM client do to help resolve the problem?
- A. Check the firewall configuration and open port 1066 if required.
- B. Edit the /etc/services file to check the port number used for the nimreg service, then refresh inetd.
- C. Check that the root user's .rhosts file has an entry for the NIM master, and that the file permissions are 600.
- D. Flush the arp cache and then reboot the client system to ensure the network route table is correct.
正解：C
解説：
When using the connect=shell option, a successful NIM operation requires that the root user on the NIM client has an entry in its .rhosts file for the NIM master, and that the file permissions are set to 600. This is documented in the IBM AIX v7 Administrator Specialty Study Guide. More information on this can be found at https://www.ibm.com/support/knowledgecenter/en/ssw_aix_72/com.ibm.aix.security/nim_security.htm.
質問 # 43
A system administrator has noticed that static routes are missing after rebooting a system. What is the most likely reason for this?
- A. The administrator has failed to configure the routes in the lo0 device with the chdev command.
- B. The administrator has failed to configure the routes with the route add command.
- C. The administrator has failed to configure the routes in the inet0 device with the chdev command.
- D. The administrator has failed to run the cfgmgr command before rebooting the systems.
正解：D
解説：
The administrator has failed to run the cfgmgr command before rebooting the systems. Running the cfgmgr command before rebooting a system is important, as it ensures that any changes made to the configuration are written to the system, otherwise the changes may be lost when the system is rebooted. Other commands such as chdev and route add are not related to this issue and will not solve the problem.
For more information on the cfgmgr command, please refer to the IBM AIX v7 Administrator Specialty Study Guide, page 10-7. The guide can be found here: https://www.ibm.com/support/knowledgecenter/en/ssw_aix_72/cfgmgmt/cfgmgr_command.htm.
質問 # 44
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