单选题The system administrator is making system wide changes to a server， which will add to the PATH variable for the server environment.  Where is the PATH variable found for the system？（）A /profileB /etc/envpathC /etc/profileD /etc/environment

第1题：

Which action changes the default editor for ALL users on the system from vi to edit of the following？（）

• A、Issue the command：  export EDITOR=/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

第2题：

What stanza file does a system administrator view to determine what kernel-tuning parameter changes were made when the system was last booted？（）

• A、/etc/rc.net
• B、/etc/tunables/tuning
• C、/etc/tunables/lastboot
• D、/usr/samples/kernel/nextboot

第3题：

第4题：

Which of the following is a correct statement about how the user environment is configured at login?（）

• A、If present, the settings in the $HOME/.profile file will override the settings in the /etc/profile file.
• B、If both $HOME/.profile and $HOME/.env files are present, the settings in the $HOME/.profile file will take precedence.
• C、The settings in the /etc/environment file are system-wide and will override user customized settings in the $HOME/.profile.
• D、The settings in the /etc/profile file will override settings in the $HOME/.profile file unless the $LOCAL_PROFILE variable is set to 'true'.

第5题：

On a system wide basis， which of the following procedures is best to make NIS name resolution take precedence over DNS？（）

• A、Remove the /etc/resolv.conf file
• B、Unset the NSORDER environment variable
• C、Add the following line to /etc/netsvc.conf： hosts=nis，bind，local
• D、In a NIS and DNS environment， NIS takes precedence so there is nothing to change

第6题：

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 edit each users .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

第7题：

he system administrator is making system wide changes to a server， which will add to the PATH variable for the server environment.  Where is the PATH variable found for the system？（）

• A、/profile
• B、/etc/envpath
• C、/etc/profile
• D、/etc/environment

第8题：

On AIX systems， where DNS resolution takes precedence over NIS， a particular process needs to resolve names using /etc/hosts first.  Which of the following processes is the best way to accomplish this without affecting the rest of the system’s name resolution？（）

• A、Set the NSORDER environmental variable of the environment which invokes the process to：NSORDER="local，nis，bind"
• B、Set the NSORDER environmental variable of the environment which invokes the process to：  NSORDER="hosts=auth，nis，bind"
• C、Edit /etc/netsvc.conf to add a line similar to the following： process /full/path/of/process {hosts=local，nis，dns}
• D、Unset NSORDER environment variable of the environment which invokes the process

第9题：

Which of the following procedures best explains how to enable the NIS name resolution to take precedence over DNS on a system-wide basis?（）

• A、 Add the following line to /etc/netsvc.conf: hosts = nis,bind,local 
• B、 edit /etc/netsvc.conf to add the following: process /full/path/of/process /{ hosts = local,nis,dns} 
• C、 In an NIS and DNS environment, NIS takes precedence over DNS in this environment resulting in no change 
• D、 Change the NSORDER environment variable 

第10题：

Which action enables an administrator to make a VIO Server automatically activate when the physical machine is powered on？（）  

• A、Ensure the /etc/auto_start file exists on the VIos
• B、Ensure the ’cfgdev -a boot=yes’ command has been executed.
• C、Select the ’Automatically start when the managed system is powered on’ option within the vio Server lpar profile.
• D、Add the VIO Server to the ’Automatically start when the managed system is powered on’ field on the managed System properties.