求助，有关na的问题
QUESTION NO: 18<br>Which of the following belong to the ISDN TE2 function group? (Choose two)<br>A. A standard PC.<br>B. An ISDN phone.<br>C. An ISDN terminal adapter.<br>D. A router serial interface.<br>E. A router ISDN BRI “U” interface.<br>Answer: A, D<br>关于d有点晕<br>1. The Defense Advanced Research Projects Agency (DAPRA) developed the TCP/IP suite of protocols. Which layer in that TCP/IP model corresponds to the OSI model’s network layer?<br>A. Application<br>B. Transport<br>C. Internet<br>D. Network<br>E. Physical<br> 原文由 简单爱 发表:<br>QUESTION NO: 18<br>Which of the following belong to the ISDN TE2 function group? (Choose two)<br>A. A standard PC.<br>B. An ISDN phone.<br>C. An ISDN terminal adapter.<br>D. A router serial interface.<br>E. A router ISDN BRI “U” interface.<br>Answer: A, D<br>关于d有点晕<br>1. The Defense Advanced Research Projects Agency (DAPRA) developed the TCP/IP suite of protocols. Which layer in that TCP/IP model corresponds to the OSI model’s network layer?<br>A. Application<br>B. Transport<br>C. Internet<br>D. Network<br>E. Physical<br><br><br>没有BRI接口的设备也属于TE2 我知道了NT1<br>然后搭车问,NT2的作用是什么? ◎◎没有什么作用阿，只是设备类型不同而已，最后还都不是为了能够进行拨号嘛～NT2用S/T接口，NT1用U接口…… You work as network administrator at TestKing.<br>Your trainee is configuring a router with both physical and logical interfaces.<br>He asks you what factor determines the OSPF router ID.<br>What should you tell him?<br>A. The lowest network number of any interface.<br>B. The lowest IP address of any logical interface.<br>C. The lowest IP address of any physical interface.<br>D. The highest network number of any interface.<br>E. The highest IP address of any logical interface.<br>F. The highest IP address of any physical interface.<br>这题不懂？？ 那个id不是自己定的吗？为什么与ip有关啊？ You work as a network technician at TestKing. You have subnetted the 201.105.13.0 network with a /26<br>mask. Your boss asks you how many usable subnetworks and usable host addresses per subnet this will<br>provide. What should you tell her?<br>A. 64 networks and 4 hosts<br>B. 4 networks and 64 hosts<br>C. 2 networks and 62 hosts<br>D. 62 networks and 2 hosts<br>Answer: C<br>我觉得它应该还有两个networks 原文由 简单爱 发表:<br>You work as network administrator at TestKing.<br>Your trainee is configuring a router with both physical and logical interfaces.<br>He asks you what factor determines the OSPF router ID.<br>What should you tell him?<br>A. The lowest network number of any interface.<br>B. The lowest IP address of any logical interface.<br>C. The lowest IP address of any physical interface.<br>D. The highest network number of any interface.<br>E. The highest IP address of any logical interface.<br>F. The highest IP address of any physical interface.<br>这题不懂？？<br><br>OSPF的RD选择问题，选取最高的IP，通常可以设置一个loopback地址 原文由 简单爱 发表:<br>You work as a network technician at TestKing. You have subnetted the 201.105.13.0 network with a /26<br>mask. Your boss asks you how many usable subnetworks and usable host addresses per subnet this will<br>provide. What should you tell her?<br>A. 64 networks and 4 hosts<br>B. 4 networks and 64 hosts<br>C. 2 networks and 62 hosts<br>D. 62 networks and 2 hosts<br>Answer: C<br>我觉得它应该还有两个networks<br><br>如果考虑零子网不可用，答案就是C了 原文由 简单爱 发表:<br>1. The Defense Advanced Research Projects Agency (DAPRA) developed the TCP/IP suite of protocols. Which layer in that TCP/IP model corresponds to the OSI model’s network layer?<br>A. Application<br>B. Transport<br>C. Internet<br>D. Network<br>E. Physical<br><br><br><br>TCP/IP（好像也叫DOD？）分为4层，应用层对应OSI上面三层。传输层相同。互联层对应OSI网络层，然后就是主机链路层对应OSI下面两层。去看看资料，会清晰一些
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