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Free S1000-007 Exam Braindumps (page: 4)

Page 3 of 12
PDF with 46 Questions

Which user account is always UID 0 on AIX?

  1. bin
  2. root
  3. admin
  4. system

Answer(s): 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



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?

  1. The TCP buffers in the router gateway are exhausted. The source and target system are having TCP/IP communication problems.
  2. 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.
  3. 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.
  4. The TCP buffers between the source and the target systems are exhausted. The source and target systems are using virtual ethernet adapters.

Answer(s): C

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.



One morning the application owner needed to urgently transfer some files using FTP from Development Dev_DB_Server to the production server - DB_Server, but is receiving the following error:
connect: Connection refused
Note: DB_Server-cannot be shutdown during business hours.
Checking the setup of DB_Serrver, the administrator finds the following entries in /etc/inetd.conf



The administrator also, finds the file /etc/ftpaccess . ctl doesn't exit.
Which two methods can be used to allow files to be transferred to DB Server using FTP?

  1. On DBServer run command startsrc -s ftpd and create /etc/ftpaccess-ctl with line "allow: *".
  2. On DB_Server uncomment line starting with "#f tp" in /etc/inetd.conf and reboot.
  3. On DBServer run the command /usr/sbin/f tpd.
  4. On DB_Server uncomment line starting with "#ftp" and run refresh -s inetd.
  5. On DB_Server run command startsrc -t ftp.

Answer(s): B,D



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?

  1. Use the nimclient command to restore the /etc/niminfo file from the most recent mksysb backup image.
  2. Use the rep command on the AIX client system to copy the /etc/niminfo file from the NIM master.
  3. Use the nimclient command on the AIX client system to rebuild the /etc/niminfo file.
  4. Use the niminit command on the AIX client system to rebuild the /etc/niminfo file.

Answer(s): D

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.






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