问一下CCNA的题

小熊

Which of the following could be a unicast?<br>A.10.3.1.27/30<br>B.255.255.255.255<br>C.172.16.128.255/18<br>D.192.168.10.48/29<br><br>这题怎么不选A呢???<br><br>@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@<br>Which of the following options can be negotiated using LCP during the PPP link establishment?<br><br>A. callback<br>B. IPCP<br>C. CHAP<br>D. multilink<br>E. TCP<br>F. Q.931<br><br>这道我不会-0-<br>是什么意思?<br><br><br>还有些关于ISDN的题我也不会<br>T_T.....5555555555555

小熊

Which command is used to display the placement and direction of an IP access control list on a router?<br>A. show access-list<br>B. show ip route<br>C. show ip interface<br>D. show interface<br>E. show interface list<br>F. show ip interface brief<br><br><br>C和D有什么不同作用???<br>@@

chinamoon

第一题为什么不相信自己呢？：）

cwav

Which of the following could be a unicast?<br>A.10.3.1.27/30  unicast<br>B.255.255.255.255 broadcast<br>C.172.16.128.255/18 normal<br>D.192.168.10.48/29 normal<br>

cwav

Which of the following options can be negotiated using LCP during the PPP link establishment?<br><br>A. callback<br>B. IPCP<br>C. CHAP<br>D. multilink<br>E. TCP<br>F. Q.931<br><br>PPP验证分为LCP和NCP两个阶段。LCP用来创建链路以及链路控制，NCP用来网络协商以及数据传输。有点类似FTP中的20和21。 PPP验证又分为两种:pap and chap。

cwav

还有些关于ISDN的题我也不会<br><br>有不懂的大胆地提，兄弟们支持你～不过……千万不要全部不懂……这样的话……呵呵，请参见XXXX一书……<br>Which command is used to display the placement and direction of an IP access control list on a router?<br>A. show access-list  查看访问列表的内容<br>B. show ip route 查看路由表<br>C. show ip interface 查看访问列表的应用情况<br>D. show interface 查看接口的信息<br>E. show interface list 好像无此命令？！<br>F. show ip interface brief 查看接口概要信息<br><br>这些命令去机器上试一试就应该都知道了～：）祝考试成功

小熊

QUESTION NO: 93<br>When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?<br><br>A. The Frame Relay encapsulation on the physical interface.<br>B. The local DLCI on each subinterface.<br>C. An IP address on the physical interface.<br>D. The subinterface type as point-to-point.<br>Answer: C<br><br>怎么会是C?<br>@@

小熊

QUESTION NO: 106<br>Which wireless data command type has a high data rate but is limited to very short distances?<br>A. narrowband<br>B. spread spectrum<br>C. infrared<br>D. broadband personal comm. Service (PCS)<br>Answer: C<br><br>这道是说什么?<br>@@

cwav

原文由 [B]小熊[/B] 发表:<br>QUESTION NO: 93<br>When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?<br><br>A. The Frame Relay encapsulation on the physical interface.<br>B. The local DLCI on each subinterface.<br>C. An IP address on the physical interface.<br>D. The subinterface type as point-to-point.<br>Answer: C<br><br>怎么会是C?<br>@@<br>

<br>题目问不需要配置的。当然是主接口的IP。在主接口，只要配置封装就好了。子接口配置DLCI号以及指定点到点类型

cwav

原文由 [B]小熊[/B] 发表:<br>QUESTION NO: 106<br>Which wireless data command type has a high data rate but is limited to very short distances?<br>A. narrowband<br>B. spread spectrum<br>C. infrared<br>D. broadband personal comm. Service (PCS)<br>Answer: C<br><br>这道是说什么?<br>@@<br>

<br>这是问无线产品的特性。选择红外，没错的。