有关PPTP（Point-to-Point Tunnel Protocol）说法正确的是（）

[单选题]In the WAN， when a point-to-point subnet is used， an important design issue

[单选题]在OSPF协议中，下列默认属于point-to-point网络类型的是（）。A . PPPB . 帧中继FrameRelayC . X.25D . LAPB

[单选题]In the WAN，when a point-to-point subnet is used，an important design issue is the roucer interconnection (74) ．(74) A．topologyB．computerC．serviceD．lines

[单选题]In the WAN, when a point-to-point subnet is used, an important design issue is the roucer interconnection(74).A．topologyB．computerC．serviceD．lines

[名词解释] compensation point

[单选题]若有语句int *point,a=4;和 point=&a;,下面均代表地址的一组选项是A.a,point,*&a B.&am若有语句int *point,a=4;和 point=&a;，下面均代表地址的一组选项是A．a,point,*&a B．&*a,&a,*point C．*&point,*point,&a D．&a,&*point,point

[单选题]在Power Point里，关于模板那种说法正确。（）A . 选择保存文件类型为“演示文稿设计模板”后，Power Point会自动选择文件目录B . 如果更换模板，幻灯片的配色方案、母版和标题幻灯片都会改变C . 模板可以在任何时候应用于演示文稿D . 以上三种均正确

[单选题]Which of the following is the main point of the text?［A］ The development of the Internet.［B］ The possibility of space research.［C］ Universal information superhighway.［D］ The technological advances of the Mars mission.

[单选题]Iwas_______thepointoftelephoninghimwhenhisletterarrived.A)toB)onC)atD)in

[单选题]Aphelion is the point where the Sun（）.A . and Moon and Earth form a right angleB . and Moon and Earth are in lineC . crosses the celestial equatorD . is farthest from the Earth