如果开孔机在极冷的环境中操作，可以用（）稀释润滑油。 煤油。 汽油。 黄油。 柴油。
A basic TCP/IP configuration on the system has just been completed. A remote system can be pinged by IP address but not by hostname. Which of the following actions should be performed next in an effort to successfully ping using the hostname?（） Check routing。 Check inetd.conf。 Check /etc/resolv.conf。 Check interface with ifconfig。
Which of the following commands should be used to assure that a dump can be forced using the reset button on a system without a key switch?（） sysdumpdev -k 。 sysdumpdev -L 。 sysdumpdev -K 。 sysdumpdev -P。
《铁路技术管理规程》规定，制动初速在140～160km／h的列车紧急制动距离须不大于（）。 1100m。 1200m。 1300。 1400m。
To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Given the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the machine？（） The machine has too many users.。 The machine has an I/O bottleneck.。 The machine has a CPU bottleneck.。 The machine has a memory bottleneck.。
Defining an HACMP cluster using the Initialization and Standard Configuration menu is limited to the use of：（）
