设x,y,t均为int型变量，执行语句：

x=y=3;

t=++x||++y;

完成后，y的值为

A．不确定

B．4

C．3

D．1

How is an RSVP resv message sent back to the ingress router？（）

A、 reverse path of the RRO

B、 least cost to the ingress router

C、 shortest path to the egress router

D、 reverse path of the path vector TLV

以下程序的输出结果是 【11】 。

int fun（int x,int y,int *p,int *q）

{ *p=x*y;

*q=x/y;}

main（）

{int a,b,c,d;

a=4;b=3;

fun（a,b,&c,&d）;

printf（"%d,%d＼n",c,d）;}

Which statements are true regarding table compression? （）(Choose all that apply.)

It saves disk space and reduces memory usage.

It saves disk space but has no effect on memory usage.

It incurs extra CPU overhead during DML as well as direct loading operations.

It incurs extra CPU overhead during DML but not direct loading operations.

It requires uncompress operation during I/O.

Which reference code is displayed during the boot process that signals that an administrator may interrupt the boot process to enter the SMS Menu?（）

A、517

B、B0G1

C、E1F1

D、00A8

阅读下面语句，则执行后的输出结果为 【8】

#include "stdio.h"

main（）

{char a,b;

for（a=′0′,b=′9′;a

printf（"%c%c",a,b）;

printf（"＼n"）;}