单项选择题

NFS is experiencing name service resolution difficulties. Which command reports the LEAST useful information in trouble-shooting this problem？（）

A.nfsstat -s
B.lssrc -s named
C.ls -l /etc/resolv.conf
D.nslookup hostname

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单项选择题

To enable a tty port to be used for a cu session what must be done to the system？（）

A.smit tty； take the defaults and create the desired tty
B.In the /etc/uucp Devices add a line similar to： Direct ttyX - 9600 direct
C.Install bos.net.uucp and the first available tty will be configured for use by a cu session
D.Run the Asynchronous Terminal Emulation （ATE） program and it will configure a tty port for a cu session

单项选择题

Which of the following commands should be used to open a tty port configured in the /etc/uucp/Devices file as：
Direct tty2 - 9600 direct
in debug mode， ignoring modem control signal data carrier detect （DCD）？（）

A.cu -l tty2
B.cu -dml tty2
C.cu -dht Direct
D.cu -s9600 -l tty2

单项选择题

Which command will show network statistics such as kernel malloc and mblk failures？（）

A.ifconfig -m
B.netstat -m
C.iptrace -a
D.errpt -a