单选题The order of name resolution can be controlled.   The default is：   1.DNS/BIND   2.NIS  3./etc/hosts   To change the order of the above name resolutions， which of the following should be used？（）A nslookupB hostnameC /etc/host.equivD environment variabl

第1题：

A user cannot ping any other hostnames from an AIX machine. The error received is "host name earth NOT FOUND". Which of the following files is most likely configured incorrectly？（）

• A、/etc/resolv.conf
• B、/etc/rc.tcpip
• C、/etc/aliases
• D、/etc/hosts.equiv

第2题：

The order of name resolution can be controlled. The default is：   1.BIND   2.NIS   3./etc/hosts   To change the order of the above name resolutions， which of the following should be used？（）

• A、nslookup
• B、hostname
• C、/etc/netsvc.conf
• D、/etc/host.equiv

第3题：

第4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5题：

Which of the following files should contain the statement "hosts=local， bind"？（）

• A、/etc/hosts
• B、/etc/irs.conf
• C、/etc/netsvc.conf
• D、/etc/resolv.conf

第6题：

Which of the following commands should be used to determine DNS name resolution performance？（）

• A、 iptrace
• B、 vmstat
• C、 hostname
• D、 ifconfig

第7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8题：

第9题：

The order of name resolution can be controlled.   The default is：   1.DNS/BIND   2.NIS  3./etc/hosts   To change the order of the above name resolutions， which of the following should be used？（）

• A、nslookup
• B、hostname
• C、/etc/host.equiv
• D、environment variable NSORDER

第10题：

How should an administrator change the order in which host name lookup is performed so that it reads the host file before using DNS？（）  

• A、Edit the /etc/inetd.conf file so that it reads ’local， bind’.
• B、Edit the /etc/resolv.conf file so that it reads ’local， bind’.
• C、Edit the /etc/netsvc.conf file so that it reads ’local， bind’.
• D、Edit the /etc/nslookup.conf file so that it reads ’local， bind’.