30. An administrator is at a remote data center assisting a colleague who is replacing a bad fibre channel adapter. Which command can be used to manage a hot plug slot without powering off or rebooting the server? A. drslot 管理可动态重配置插槽，例如热拔插插槽 B. lsslot 显示动态可重新配置的插槽（比如热插拔）及其特性 C. lsattr 显示系统中设备的属性特征和可能的属性值 D. prtconf 显示系统配置信息 Answer: A
31. An administrator has received an update CD with the latest technology level for AIX 5.3. The current operating syatem level of the server is base AIX 5.3. What action needs to be taken to apply the new technology level to the server? A. Run smit update_all B. Run smit install_all
C. Boot from the installation media
D. Run the update_all command from the mounted CD Answer: A
32. An administrator has received complaints from users that an application is not available while other applications run. This application
resides on an NFS mounted filesystem. Which of the following commands should be run as a reasonable first step to handle this problem? A. df B. showmount C. exportfs D. refresh –g nfs Answer: A
33. To load the base operating system on a machine using NIM, what are the minimum NIM resources that must be defined for the installation to succeed?
A. A mksysb resource, a SPOT resource, and an lpp_source resource B. A SPOT resource, an lpp_source resource, and a machine definition C. An lpp_source resource, A mksysb resource, and a machine definition D. A SPOT resource, an lpp_source resource,a bosinst_data resource, and a machine definition Answer: B
NIM中常用的资源类型
SPOT: 表示 Shared Product Object Tree
指向一个目录, 其中存放了NIM client在引导时需要用到的代码程序.与 AIX 5L中 /usr 文件系统的内容大致相同,包含: 设备驱动程序, BOS 的安装程序, 和 其他与安装相关的代码.
lpp_source 指向一个目录, 其内容等同于AIX 的系统光盘或应用程序的安装光盘. 包含了需要进行安装的 lpp 文件, 即可以是 bff格式 的也可是 RPM格式的.
Mksysb:指向一个文件. 是某服务器rootvg 的备份文件, 用于恢复或克隆系统
34. An administrator notices the / filesystem is 98% full. Which of the following files commonly grow rapidly? A. /var/adm/wtmp B. /etc/security/failedlogin C. /smit.script D. /proc Answer: B
wtmp 一个用户每次登录进入和退出时间的永久纪录
修复装满的 /（根）文件系统
当根文件系统 (/) 已装满时，请检查以下事项：
?
使用 who 命令读取 /etc/security/failedlogin 文件的内容：
# who /etc/security/failedlogin
TTY 重新产生得太快的情况会创建失败的登录条目。要在读取或保存输出之后清空该文件，可以执行以下命令：
# cp /dev/null
/etc/security/failedlogin
35. Which action changes the default editor for all users on the system from vi to edit? A. Issue the command:
Export EDITOR =/usr/bin/edit each usr .profile to change the EDITOR value to /usr/bin/edit
B. Modify /.profile and change the EDITOR variable to /usr/bin/edit C. Modify /etc/environment and add EDITOR =/usr/bin/edit Export EDITOR
D. Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit Aswer: C
36. A system P customer is planning to implement virtualization and is concerned about how to respond to an increased workload and what limitations there are for very small workloads. Which of the following describes the minimum size for an LPAR and the minimum amount that can be transferred from on LPAR to another?
A. Smallest partition 10% of all available processors, as small as 1% of all available processors may be transferred.
B. Smallest partition 10% of a processor, as small 1% of a processor may be transferred.
C. Smallest partition one processer, as small 1% of a processor may be transferred.
D. Smallest partition one core, as small 10% of a processor may be transferred Answer: B
37. An administrator has a server that must be upgraded from AIX 5.2 to AIX 5.3. The administrator also needs to use the 64-bit kernel with JFS2 filesystems in rootvg. All critical data resides in a non-rootvg volume group. Which of the following types of install could the administrator use to accomplish this? A. Migration Installation B. Update_All installation C. preservation installation
D. New and complete Overwrite installation Answer: D
38. Which of the following options applies to virtual Ethernet devices? A. A virtual Ethernet adapter can only connect to other partitions within the same system.
B. A virtual Ethernet adapter needs to be connect to an external VlAN capable switch to be able to communicate with other partitions on the same system.
C. A partition can support an unlimited number of virtual Ethernet devices.
D. A virtual Ethernet adapter in the VIO server that is part of a SEA should not have the ―trunk flag‖ set