单选题After performing a modification on the /etc/ssh/sshd_config file the operator needs to reinitialize the secure shell daemon to enable the new settings. Which of the following is the correct way to achieve this?（）A Use refresh -s sshdB Use init.sshd /et

第1题：

第2题：

A system is being booted into maintenance mode due to root password recovery.After accessing the root volume group and starting a shell without mounting the file systems, what is the next step?（）

• A、Delete root's password from the /etc/security/passwd file
• B、Use the diag recovery tool option to reset root's password
• C、Execute the ‘passwd’ command and assign a new passwd to root UID
• D、Mount the / and /usr filesystems on alternative mount points to edit the password file

第3题：

第4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.

第5题：

An operator is asked to shutdown the telnet service for security reasons. What are the appropriate commands to achieve this?（）

• A、comment out telnetd in /etc/services refresh -s inetd
• B、comment out telnetd in /etc/inetd.conf refresh -s inetd
• C、comment out telnetd in /etc/rc.tcpip refresh -s telnetd
• D、comment out telnetd in /etc/inetd.conf refresh -s telnetd

第6题：

After performing a modification on the /etc/ssh/sshd_config file the operator needs to reinitialize the secure shell daemon to enable the new settings. Which of the following is the correct way to achieve this?（）

• A、Use refresh -s sshd
• B、Use init.sshd /etc/rc.ssh
• C、Use /usr/sbin/sshd -restart
• D、Use stopsrc -s sshd and then startsrc -s sshd

第7题：

A system is being booted into maintenance mode due to root password recovery.  After accessing the root volume group and starting a shell without mounting the file systems， what is the next step？（）  

• A、Delete root’s password from the /etc/security/passwd file.
• B、Use the diag recovery tool option to reset root’s password.
• C、Execute the ’passwd’ command and assign a new passwd to root UId
• D、Mount the / and /usr filesystems on alternative mount points to edit the password file.

第8题：

第9题：

A system administrator decides to review the system error log after installing new hardware. Which of the following is the correct command to use？（）

• A、errpt
• B、syslog
• C、prtdiag
• D、errlogger

第10题：

A system has a critical need for network services on a small network with a limited number of hosts. System overhead is not a concern. Which of the following should the system administrator do to help ensure connectivity in the event of a gateway failure？（）

• A、Use the ifconfig command to enable dead gate detection
• B、Use the no command to set active dead gateway detection
• C、Use the route command to set active dead gateway detection
• D、Add the line active_dgd=1 to the /etc/gated.conf command and refresh the gated daemon