A. appointed
B. assigned
C. pointed
D. was appointed
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:
The internetwork infrastructure of company XYZ consists of a single OSPF area as shown in the graphic. There is concern that a lack of router resources is impeding internetwork performance. As part of examining the router resources, the OSPF DRs need to be known. All the router OSPF priorities are at the default and the router IDs are shown with each router. Which routers are likely to have been elected as DR?()

A.Corp-1
B.Corp-2
C.Corp-3
D.Corp-4
E.Branch-1
F.Branch-2
第3题:
第4题:
importjava.awt.*;publicclassXextendsFrame{publicstaticvoidmain(Stringargs){Xx=newX();x.pack();x.setVisible(true);}publicX(){setLayout(newBordrLayout());Panelp=newPanel();add(p,BorderLayout.NORTH);Buttonb=newButton(North”);p.add(b):Buttonb=newButton(South”);add(b1,BorderLayout.SOUTH):}}Whichtwostatementsaretrue?()
A.Thebuttonslabeled“North”and“South”willhavethesamewidth.
B.Thebuttonslabeled“North”and“South”willhavethesameheight.
C.Theheightofthebuttonlabeled“North”canveryiftheFrameisresized.
D.Theheightofthebuttonlabeled“South”canveryiftheFrameisresized.
E.Thewidthofthebuttonlabeled“North”isconstanteveniftheFrameisresized.
F.Thewidthofthebuttonlabeled“South”isconstanteveniftheFrameisresized.
第5题:
If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere? ______.
A.South-southwesterly
B.North-northwesterly
C.South-southeasterly
D.North-northeasterly
第6题:
Jump指令与Branch指令的区别是________。
A.Jump指令是条件转移指令,根据当前指令执行结果来决定是否需要转移; Branch指令是无条件转移指令,直接跳转。
B.Jump指令是无条件转移指令,直接跳转; Branch指令是条件转移指令,根据当前指令执行结果来决定是否需要转移。
C.Jump指令跳转不需保存现场; Branch指令跳转需保存现场。
D.Jump指令跳转需保存现场; Branch指令跳转不需保存现场。