单项选择题
A. ping RemoteHostName B. ping RemoteHostIPaddr C. nslookup RemoteHostName D. ping lo0
A. lsvg -l rootvg B. sysdumpdev -e C. sysdumpdev -L D. cd /var/adm/ras
A. Increase the size of /var. B. Check /etc/qconfig file. C. Check the default route. D. Check for name resolution.