单项选择题
A. The ipforwarding is off by default.
B. The ipforwarding is set on by default.
C. The value is dynamically determined at boot time by DHCP.
D. The value is equal to the setting of the directed_broadcast runtime attribute.
单项选择题 WhichofthefollowingstatementsisTRUEabouttheprimarysystemdumpdevice?（）
单项选择题 Usingoutputfrom"vmstat28,"whichofthefollowingoptionsismostappropriatetoconsiderwhendeterminingifasystemisexperiencingmemorythrashing?（）
单项选择题 To examine the Exhibit, press the Exhibit button. Based on the output of the "netstat -p udp" command as shown in the exhibit, which of the following procedures should be performed?（）