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IBM AIX 7 Administration Sample Questions:

1. An administrator uses the 'no1 command to change the tcp_sendspace network tunable to 262144. A few minutes later, the ifconfig command produces the following output:

What additional action is needed?

A) Use ifconfig to cycle the interface down and up.
B) Run the no command again, specifying a permanent change.
C) Change the tcp_sendspace interface specific network option for the device.
D) Refresh inetd subsystem.

2. Automated scripts on an AIX system require secure non-root access to another AIX instance. Secure Shell (SSH) was the method chosen and installed on both systems. How can anadministrator use SSH to create secure automated jobs without storing passwords in the automated scripts?

A) issue ssh-keygen -t dsa on the source as root append source id_dsa.pub contents to /etc/ssh/ssh_config file on the target restart sshd daemon
B) issue ssh-keygen -t dsa on the source as non-root user append source id_dsa.pub
contents to the authorized_keys file on the target restart sshd daemon
C) issue ssh-keygen -t dsa on the source as non-root user append source id_dsa.pub contents to target /etc/ssh/sshd_config file restart sshd daemon
D) issue ssh-keygen -t dsa on the source as non-root user append source id_dsa.pub contents to the authorized_keys file on the target

3. A system administrator wants to create a server with network redundancy and maximum I/O throughput over two Ethernet cards. Which option will support the requirement?

A) Create an 802.3ad Link Aggregation adapter backed by both Ethernet cards and cable to a switch with 802.3ad enabled ports.
B) Create a Network Interface Backup (NIB) with each Ethernet card being cabled to a different switch.
C) Create a virtual adapter and assign it to the server, use both Ethernet adapters as backing devices to the virtual adapter with the mkvdev command. Have each adapter cabled to separate switches.
D) Create the file /etc/sysconfig/network-scripts/ifcfg-bond0 then edit the two ifcfg-ethX configuration files to add a master or slave option. Cable to two switches and use 802.3ad enabled ports.

4. An existing LPAR hangs with an LED code of 0553 after a scheduled reboot. An administrator boots the LPAR into a maintenance mode to investigate the cause of the issue.
All filesystems fsck cleanly. There is plenty of space in / and /tmp. And /etc/inittab appears to be intact and valid.
Based on the following output, why is one of these symbolic links likely to be the cause of the LED code?

A) /bin should be linked to/sbin
B) /bin/bsh should be pointing to /opt/freeware/bin/bash
C) /unix is attempting to boot a 32-bit kernel
D) bash can interpret the AIX startup scripts differently to the default shell

5. A DLPAR memory operation was attempted and failed. Given the following information, what is the likely caused

A) Destination LPAR maximum memory setting is too low.
B) Source LPAR maximum memory setting is too low.
C) HMC RMC daemons are not communicating properly to the source
D) Source LPAR is using all of its allocated memory
E) Operation timed out
F) Source LPAR minimum memory setting is too high.

Solutions: