IBM(000-236)單項(xiàng)選擇題每日一練(2019.01.15)

單項(xiàng)選擇題
Which of the following commands identifies all network adapter types that are installed in a machine？（）
A.lsdev
B.lsattr
C.ifconfig
D.netstat
單項(xiàng)選擇題
What is the proper way to refresh sendmail？（）
A.sendmail -bt
B.sendmail -ba
C.refresh -s sendmail
D.startsrc -s sendmail
單項(xiàng)選擇題
A host is expected to be a mail relay or receiving endpoint. Which of the following daemons should be listening for connections on port 25？（）
A.ftpd
B.imapd
C.pop3d
D.sendmail
單項(xiàng)選擇題
Which of the following functions does the "ifconfig en4 down" perform？（）
A.Removes the en4 interface
B.Removes the en4’s network route
C.Stops all traffic through the en4 interface
D.Stops all traffic through the en4 and removes its network route from the routing table
單項(xiàng)選擇題
A system administrator has created tty2 on a serial port connection to a system. When attempting to verify the connection the following error is observed： # cu -ml tty2 cu： 0835-028 The connection failed. NO DEVICES AVAILABLE.Which of the following should be performed to correct this error？（）
A.Create an entry for tty2 in the /etc/uucp/Devices file
B.Re-enter the command as "cu -dml tty2"
C.Create an entry for tty2 in the /etc/uucp/Systems file
D.Re-enter the command as "cu -s 9600 -dh -t -l tty2"

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