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【单项选择题】

An enterprise h as plans to start adding IPv6 support. For the first year, the IPv6 will be in small pockets spread around the existing large IPv4 network, with occasional IPv6 traffic while applications teams test IPv6 - enabled servers and applications.<br /> Which of the fol lowing tools would be most appropriate?（）<p> An enterprise h as plans to start adding IPv6 support. For the first year, the IPv6 will be in small pockets spread around the existing large IPv4 network, with occasional IPv6 traffic while applications teams test IPv6 - enabled servers and applications.<br /> Which of the fol lowing tools would be most appropriate?（）</p>

A、A. Native IPv6

B、B. Point - to -point tunnels

C、C. Multipoint tunnels

D、D. NAT - PT

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更多“An enterprise h as plans to start adding IPv6 support. For the first year, the IPv6 will be in small pockets spread around the existing large IPv4 network, with occasional IPv6 traffic while applications teams test IPv6 - enabled servers and applications.<br /> Which of the fol lowing tools would be most appropriate?（）<p> An enterprise h as plans to start adding IPv6 support. For the first year, the IPv6 will be in small pockets spread around the existing large IPv4 network, with occasional IPv6 traffic while applications teams test IPv6 - enabled servers and applications.<br /> Which of the fol lowing tools would be most appropriate?（）</p>”相关的问题
第1题
[] Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE. Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?（） Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE. Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?（）

A、A. Privacy&nbsp;&nbsp;B、B. Authentication&nbsp;&nbsp;C、C. Allows using an IGP between R1 and the Enterprise&nbsp;&nbsp;D、D. Secure communications&nbsp;&nbsp;

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第2题
[单选题] 下列各组元素中，电负性依次减小的是（）

A、&ensp;K＞Na＞Li&nbsp;&nbsp;B、&ensp;O＞Cl＞H&nbsp;&nbsp;C、&ensp;As＞P＞H&nbsp;&nbsp;D、&ensp;三组都对&nbsp;&nbsp;

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第3题
[单选题] For an enterprise to use one of the reserved private IP address ranges, as best practice they shouldcoordinate with:（）

A、their legal department&nbsp;&nbsp;B、IANA&nbsp;&nbsp;C、IEEE&nbsp;&nbsp;D、their IT department&nbsp;&nbsp;

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第4题
[填空题] 下面算法实现，用一棵二叉树中的结点建立一个按关键字值从小到大次序排列的带表头结点的双向循环链表。二叉树的结点结构如下所示： 其中，p是指向结点的指针；p->key表示结点的关键字域，p->left和p->right分别表示结点的左、右孩子的指针域。 void fromtreetolist（p，l） /*p，h是指向二叉树中结点的指针，*/ /*l是指向双向循环链表表头结点的指针*/ {if (p!=NULL) { fromtreetolist（p->left，l）； fromtreetolist（p-> right，l）； h=l； while （h->right!=l）&&（h->right->keykey）h=h->right； p->right=h->right； p->left=h； （）； h->rihght=p； } } void buildlisttree（root，l） /*root是指向二叉树根结点的指针，*/ /*l是指向双向循环链表表头结点的指针*/ {l=（struct nodetype *）malloc（sizeof（struct nodetype））； l->left=l； l->right=l； fromtreetolist（root，l）； }

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第5题
[单选题] 水平衡中，Q定义为取水量，A为物料带入水量，H为耗水量，P为排水量，L为漏水量，其水平衡关系方程式应为（）

A、Q-A=H+P+L&nbsp;&nbsp;B、Q+A=H+P+L&nbsp;&nbsp;C、Q+A=H-P-L&nbsp;&nbsp;D、Q-A=H-P-L&nbsp;&nbsp;

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第6题
[单选题] On an ONS 15454 node you can tunnel an （）.

A、SDH circuit over a SONET network delivering it as an SDH signal&nbsp;&nbsp;B、SDH circuit over a SONET network delivering it as a SONET signal&nbsp;&nbsp;C、SONET circuit over an SDH network delivering it as an SDH signal&nbsp;&nbsp;D、SONET circuit over an SDH network delivering it as a SONET signal&nbsp;&nbsp;

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第7题
[单选题] 下列电池中液接电势不能被忽略的是：（）

A、Pt，H2（p1）│HCl（m1）│H2（p2），Pt&nbsp;&nbsp;B、Pt，H2（p）│HCl（m1）‖HCl（m2）│H2（p），Pt&nbsp;&nbsp;C、Pt，H2（p）│HCl（m1）┆HCl（m2）│H2（p），Pt&nbsp;&nbsp;D、Pt，H2（p）│HCl（m1）│AgCl，Ag-Ag，AgCl│HCl（m1）&ensp;│H2（p），Pt&nbsp;&nbsp;

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第8题
[单选题] 我是一名水手，在船上干二水。（）

A、I am a sailor. I work as an OS on board.&nbsp;&nbsp;B、I am an AB I work as a sailor.&nbsp;&nbsp;C、I am a sailor. I work as a quartermaster.&nbsp;&nbsp;D、I am an AB I work as an oiler.&nbsp;&nbsp;

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第9题
[单选题] 同一台泵用于输送密度分别为ρ1和ρ2的液体时，保持转速不变且流动相似，其对应的扬程分别是H1和是H2，对应的轴功率分别为P1和P2，若ρ1>ρ2，则下列关系式中正确的是（）

A、H1>H2；P1=P2&nbsp;&nbsp;B、H1=H2；P1>P2&nbsp;&nbsp;C、H1>H2；P1>P2&nbsp;&nbsp;D、H1=H2；P1=P2&nbsp;&nbsp;

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