In most wide area networks, the communication subnet consists of two distinct components:transmission lines and
A.networts
B.switching elements
C.computers
D.data terminal equipment
第1题:
classParent{
Stringone,two;
publicParent(Stringa,Stringb){
one=a;
two=b;}
publicvoidprint(){System.out.println(one);}}
publicclassChildextendsParent{
publicChild(Stringa,Stringb){
super(a,b);
}
publicvoidprint(){
System.out.println(one+"to"+two);
}
publicstaticvoidmain(Stringarg[]){
Parentp=newParent("south","north");
Parentt=newChild("east","west");
p.print();
t.print();
}
}
Whichofthefollowingiscorrect?()
第2题:
A workstation is added to a newly created subnet using 192.168.100.0/24. A DHCP server is available on subnet 192.168.101.0/24. The user is unable to lease an address from the DHCP server. Which of the following would BEST resolve the problem?()
A. Assign the workstation a static IP address.
B. Add a second DHCP server to the 192.168.101.0/24 subnet.
C. Add a DHCP relay to the 192.168.100.0/24 subnet.
D. Add a DHCP server to the 192.168.100.0/24 subnet
第3题:
第4题:
有以下程序: matin() { char * s[]={"one", "two", "three"}, *p; p=s[1]; printf("% c, % s\n", *(p+1),s [o]); } 执行后的输出结果是______。
A.n, two
B.t, one
C.w, one
D.o, two
第5题:
In the RGB color spaces, each pixel on the screen has a corresponding RGB value which consists of(71)components.
A.two
B.three
C.four
D.six
第6题: