单选题An AIX server has 2 network interfaces and it needs to be permanently configured as a gateway.  How can this be accomplished？（）A Run the command ’no -d’ to set network options to defaultB Edit /etc/rc.tcpip and enable gatedC Edit /etc/rc.tcpip and enab

第1题：

Which of the following commands restarts a TCP/IP subsystem that provides network services  （）

• A、refresh -s inetd
• B、refresh -s tcpip
• C、/etc/rc.tcpip efresh
• D、refresh -g inetd

第2题：

A  user  wants  to  be  permanently  added  to  the  dba  group.  Which  of  the  following  commands  or processes can be used to accomplish this（）

• A、chgrp
• B、chuser
• C、edit /etc/user
• D、edit /etc/security/group

第3题：

第4题：

Which of the following options best justifies why a DNS server should be run in a large network system？（）

• A、To use ftp and telnet
• B、To perform NFS mounts
• C、To make /etc/hosts files unnecessary
• D、To reduce network traffic and save bandwidth

第5题：

An AIX server is configured with a static IP address but the system administrator wants the server to give out IP addresses for clients who want to use the dynamic host configuration protocol instead of static IP addresses.How is this accomplished？（）

• A、Use SMIT to have the server use DHCP instead of a static address
• B、Edit /etc/rc.tcpip and start the dhcpsd daemon
• C、Use the network options command to enable ipforwarding
• D、Edit /etc/rc.net to set network options back to default

第6题：

A user can ping everything on the local network earth.net from an AIX box （which is located on earth.net）. However， if the user tries to ping something on another network （mars.net） the user must type the fully qualified hostname. What can the user do so that the fully qualified hostname does not have to be typed every time the user wants to access ANY machine on mars.net？（）

• A、Edit the /etc/hosts file and add an alias to the correct entry
• B、Set up an alias in his .kshrc file to alias the hostname to the fully qualified hostname
• C、Add an alias to /etc/aliases
• D、Add mars.net to the search path of the resolv.conf file

第7题：

A system administrator wants to configure a system so that all new users will be put into the database group by default. How would this be accomplished？（）

• A、remove all other groups from the system
• B、run the command mkuser -default "GROUP=database"
• C、change the default group in /usr/lib/security/mkuser.default
• D、edit /etc/security/group to move all users to the database stanza

第8题：

第9题：

How is DHCP enabled on a server？（）

• A、Use network options to enable ipforwarding
• B、Edit /etc/rc.tcpip and enable dhcpsd
• C、Edit /etc/rc.nfs increase the number of biod daemons
• D、Use SMIT to set the server to use DHCP instead of static IP addresses

第10题：

An administrator needs to configure a server (192.168.22.22) as a temporary solution for an NTP master that has stopped working. What is the process for configuring the NTP master?（）

• A、Edit the /etc/ntp.conf file changing the server line to 'server 127.127.1.0' and add the line 'fudge 127.127.1.0 stratum 0', and then refresh the daemon.
• B、Edit the /etc/ntp.conf file changing the server line to 'server 127.127.1.0' and add the line 'master 127.127.1.0 stratum 0', and then refresh the daemon.
• C、Edit the /etc/ntp.conf file changing the server line to 'server 192.168.22.22' and add the line 'fudge 192.168.22.22 stratum 0', and then refresh the daemon.
• D、Edit the /etc/ntp.conf file changing the server line to 'server 192.168.22.22' and add the line 'master 192.168.22.22 stratum 0', and then refresh the daemon.