S1000-007 Practice Test Questions Updated 48 Questions
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NEW QUESTION # 10
Which user account is always UID 0 on AIX?
- A. bin
- B. root
- C. system
- D. admin
Answer: B
Explanation:
The root account is the special user in the /etc/passwd file with the user ID (UID) of 0 and is commonly given the user name, root. It is not the user name that makes the root account so special, but the UID value of 0. This means that any user that has a UID of 0 also has the same privileges as the root user. Also, the root account is always authenticated by means of the local security files.
https://www.ibm.com/docs/en/aix/7.2?topic=passwords-root-account
NEW QUESTION # 11
Which file starts the System Resource Controller?
- A. /etc/rc.d/rc.2
- B. /etc/inittab
- C. /etc/rc.srcmstr
- D. /etc/rc.local
Answer: B
NEW QUESTION # 12
Which command will show when a file was last accessed?
- A. fsdb file
- B. istat file
- C. Is -1 file
- D. who -f file
Answer: B
Explanation:
The istat command displays information about the inode of a file, including the last access time. This command is available on IBM AIX v7 systems and is documented in the IBM AIX v7 Administrator Specialty Study Guide. The syntax for the command is "istat file", where 'file' is the path to the file you would like to check. For more information, please see the IBM documentation at https://www.ibm.com/support/knowledgecenter/ssw_aix_72/com.ibm.aix.cmds2/istat.htm.
NEW QUESTION # 13
While a system administrator is checking the TCP/IP connectivity between two systems with the traceroute command, the administrator found Fragmentation required messages in the traceroute output.
What is the likely reason for these messages?
- A. The TCP buffers between the source and the target systems are exhausted. The source and target systems are using virtual ethernet adapters.
- B. Same MTU sizes between the source and target systems. The source and target systems are using Jumbo Frames. The LPARs are using the same Virtual Switch (vSwitch) Network.
- C. The TCP buffers in the router gateway are exhausted. The source and target system are having TCP/IP communication problems.
- D. Different MTU sizes between the source and target systems. The source system is using Jumbo Frames and the target is using the default MTU size.
Answer: D
Explanation:
The source system is using Jumbo Frames and the target is using the default MTU size. Fragmentation required messages can appear in traceroute output when the Maximum Transmission Unit (MTU) size of the source and target systems are different. In this case, the source system is using a larger MTU size (Jumbo Frames) than the target system (default MTU size). As a result, the router gateway must fragment the data packets in order for them to reach their destination. This is why the fragmentation required messages appear in the traceroute output. Reference: IBM AIX v7 Administrator Specialty Study Guide.
NEW QUESTION # 14
An IT security department would like to limit root user access to only members of the group called system. Which command will accomplish this?
- A. chadmin user=root system
- B. chadmin group=system root
- C. cruiser sugroups=system root
- D. chgroup admin=root system
Answer: B
Explanation:
The "chadmin" command can be used to modify the attributes of a user account, including the groups that the user belongs to. The syntax for limiting root user access to members of the group called "system" would be:
sql
chadmin group=system root
This command will add the root user to the "system" group and remove it from any other groups. Members of the "system" group will be the only ones able to access the root account.
NEW QUESTION # 15
A SAN administrator increased the size of a LUN device (hdisk) that is being used by a AIX LPAR. However, the system administrator does not see the new size using the lsvg or Ispv commands.
Which command updates the system with the new size?
- A. extendpv
- B. cfgmgr
- C. chvg -g
- D. synclvodm
Answer: B
Explanation:
The cfgmgr command updates the system configuration database with the current configuration of the devices attached to the system. When the SAN administrator increases the size of a LUN device (hdisk), it is not automatically reflected on the AIX LPAR. Running the cfgmgr command updates the system with the new size information and makes it visible to the system administrator.
NEW QUESTION # 16
Which command lists filesets that are below AIX V7.2 technology level 4?
- A. oslevel -r -1 7200-04
- B. lslpp -s -1 7200-04
- C. lppchk: -L -F "fileset level" I grep -v "7200-04"
- D. instfix -i I grep -v 7200-04
Answer: D
NEW QUESTION # 17
What is the effect of running the mount -a command?
- A. Ail file systems set to mount=true are mounted.
- B. All JFS/JFS2 file systems are mounted.
- C. All file systems defined to the system are mounted
- D. All automatic file systems are mounted.
Answer: A
NEW QUESTION # 18
A customer added paging space and needs to activate it automatically after the next reboot. Which command should the administrator issue?
- A. swapon
- B. mklv
- C. chps
- D. mkps
Answer: C
NEW QUESTION # 19
How are console log messages recorded by AIX?
- A. errdemon
- B. syslog
- C. rsyslog
- D. alog
Answer: C
NEW QUESTION # 20
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. oem_setup_env
- B. mJcvdev
- C. mkrep
- D. mlcvterm
Answer: D
NEW QUESTION # 21
An administrator checks the IBM Fix Level Recommendation Tool (FLRT) for their system to see if they need to update IBM firmware or software.
The tool asks for their current system firmware level. How can the administrator confirm what it is?
- A. run lsattr -1 firmware0
- B. run lsattr -El sys0 Igrep mcode
- C. run lsmcode -A
- D. run lscfg -vl sys0
Answer: A
NEW QUESTION # 22
Which logical volume Mirror Write Consistency policy should an AIX V7.2 administrator use to achieve the data consistency between mirrors?
- A. superstrict
- B. active
- C. off
- D. round robin
Answer: B
NEW QUESTION # 23
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 this open source software as-is.
- B. IBM offers extended support for open source software that is licensed with the hardware.
- C. IBM offers extended support for open source software and they need to verify entitlement.
- D. IBM offers standard support for open source software that is licensed with the operating system.
Answer: C
Explanation:
"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.
NEW QUESTION # 24
A customer calls to complain about slow workload performance but offers no additional details. What should the administrator do next?
- A. Add two more virtual CPUs by DLPAR operation.
- B. Increase CPU entitlement by 10%
- C. Ask the caller for additional details.
- D. Add 10% more memory by DLPAR operation
Answer: C
Explanation:
When a customer calls with a complaint about slow workload performance, it is important to ask for additional details to help pinpoint the source of the issue. This could include details such as which application or process is running slowly, what errors are appearing, how long the issue has been occurring, etc. Having this information will help the administrator to determine the cause of the problem and determine the best course of action. Reference: IBM AIX v7 Administrator Specialty Study Guide (page 5-29).
NEW QUESTION # 25
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 niminit command on the AIX client system to rebuild the /etc/niminfo file.
- B. Use the nimclient command to restore the /etc/niminfo file from the most recent mksysb backup image.
- C. Use the nimclient command on the AIX client system to rebuild the /etc/niminfo file.
- D. Use the rep command on the AIX client system to copy the /etc/niminfo file from the NIM master.
Answer: A
Explanation:
The niminit command can be used to rebuild the /etc/niminfo file on an AIX NIM client system if it has been accidentally deleted. This command will read the NIM database on the NIM master and generate the /etc/niminfo file accordingly. Reference: IBM AIX v7 Administrator Specialty Study Guide.
NEW QUESTION # 26
How are console log messages recorded by AIX?
- A. rsyslog
- B. errdemon
- C. syslog
- D. alog
Answer: C
Explanation:
AIX provides the syslog service to record console log messages. The syslog service is used to control the logging of system messages and can be used to record and store the log messages in different formats. The syslog service is enabled through the use of the alog and errdemon commands. The alog command is used to view the log messages that are stored in the /var/adm/syslog/syslog.log file, while the errdemon command is used to control the logging of system messages. Reference: IBM AIX v7 Administrator Specialty Study Guide.
NEW QUESTION # 27
An application administrator needs an account on the AIX server, but does not know it which group it should belong. What is the default group for AIX users, if one was not specified during creation of the account?
- A. users
- B. no group
- C. staff
- D. the group name will be the same as the user name
Answer: A
Explanation:
This is the default primary group for all newly created AIX user accounts. From the IBM AIX v7 Administrator Specialty Study Guide: "By default, all new user accounts are assigned to the 'users' primary group."
NEW QUESTION # 28
The lspv and Iquerypv commands show a different PVID for an hdisk. How is this possible?
- A. lspv is querying a disk at a different location.
- B. The system has the wrong version of the lspv command installed.
- C. lspv is incorrectly hashing the UDID of the disk.
- D. lspv shows the contents of the ODM.
Answer: D
Explanation:
The lspv command displays information about physical volumes on the system, and it retrieves the information from the Object Data Manager (ODM). The ODM is the database that stores information about the system's hardware configuration, including the PVID of each disk. The Iquerypv command directly queries the disk for its PVID, and is therefore able to display the correct PVID. Reference: IBM AIX v7 Administrator Specialty Study Guide, page 546.
NEW QUESTION # 29
An administrator checks the IBM Fix Level Recommendation Tool (FLRT) for their system to see if they need to update IBM firmware or software.
The tool asks for their current system firmware level. How can the administrator confirm what it is?
- A. run lsattr -1 firmware0
- B. run lsmcode -A
- C. run lsattr -El sys0 Igrep mcode
- D. run lscfg -vl sys0
Answer: B
Explanation:
According to the IBM AIX v7 Administrator Specialty Study Guide, the lsmcode command is used to list the microcode of the system. The -A flag is used to list the microcode level and the active microcode level of the system. This command can be used to confirm the system firmware level which is required to use the IBM Fix Level Recommendation Tool (FLRT).
NEW QUESTION # 30
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