During system initialization， which command script is executed through the /etc/inittab to activate page spaces and mount filesystems？（）

A、rc

B、init

C、rc.boot

D、rc.init

Which of the following will occur if an operator types the command vi file.out?（）

A、If the file exists it will be opened for editing. If the file does not exist an error message will be displayed.

B、If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing.

C、If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing.

D、If the file exists the operator will be asked whether to open the file or overwrite the file. If the file does not exist a new file with the name file.out will be created and opened for editing.

What IBM pre-sales guidance resource would you use to make sure the Systems x hardware and application software are appropriately matched up？ （）

A、xREF Sheets

B、Standalone Solutions Configuration Tool （SSCT）

C、IBM Sizing Guides

D、IBM ServerProven

有以下结构体说明、变量定义和赋值语句 struct STD { 　char name[10]; 　int age; 　char sex; }s[5],*ps; ps = &s[0]; 则以下scanf函数调用语句有错误的是（　　）。

A、scanf("%s",s[0].name);

B、scanf("%d",&s[0].age);

C、scanf("%c",&(ps->sex));

D、scanf("%d",ps->age);

Your best customer calls in with a last-minute need for the BTU/HR or the heat output per server， per hour for a rack of x3650 servers.  What IBM tool will you use to get your answer quickly？（）

A、System x Sales Configuration Aid （xSCA）

B、BladeCenter & System x Power Configurator

C、Configuration & Options Guide - （COG）

D、IBM Sizing Guides

若变量已正确定义为int型，要通过语句scanf("%d,%d,%d",&a,&b,&c);给a赋值1、给b赋值2、给c赋值3，以下输入形式中错误的是（注：□代表一个空格符）（　　）。

A、1,2,3<回车>

B、□□□1,2,3<回车>

C、1,□□□2,□□□3<回车>

D、1□2□3<回车>