题目内容
区域城镇关系示意图：图纸比例为1:200000～1:1000000，标明相邻城镇位置、行政区划、重要交通设施、重要工矿和风景名胜区。( )
查看答案
搜索结果不匹配？点我反馈
更多问题
在建立下一个连接请求时，为了实现负载平衡，边界路由器会将虚拟地址映射为一个未曾映射过的内部地址或者是使用次数最少的内部地址。阅读以下说明，回答下面问题。 设有A，B，C，D四台主机都处在同一个物理网络中，A主机的IP地址是202.155.12.112，B主机的IP地址是202.155.12.120，C主机的IP地址是202.155.12.222，D主机的IP地址是202. 155.12.176。共同的子网掩码是255.255.255.224。 【问题1】 A，B，C，D四台主机之间哪些可以直接通信哪些需要通过设置网关(或路由器)才能通信
What does the speaker think of the invention of the bow
Many students find the experience of attending university lectures to be a confusing and frustrating experience. The lecturer speaks for one or two hours, perhaps (61) the talk with slides, writing up important information on the blackboard, (62) reading material and giving out (63) The new student sees the other students continuously writing on notebooks and (64) what to write. Very often the student leaves the lecture (65) notes which do not catch the main points and (66) become hard even for the students to understand. Most institutions provide courses which (67) new students to develop the skills they need to be (68) listeners and note-takers. (69) these are unavailable, there are many useful study-skills guides which (70) learners to practice these skills independently. In all cases it is important to (71) the problem before actually starting your studies. It is important to (72) that most students have difficulty in acquiring the language skills (73) in college study. One way of (74) these difficulties is to attend the language and study-skills classes which most institutions provide throughout the (75) year. Another basic strategy is to find a study partner with whom it is possible to identify difficulties, exchange ideas and provide support.
阅读以下说明，回答下面问题。 【说明】 二层隧道协议L2TP(1ayer 2 Tunneling Protocol)是一种基于点对点协议PPP的二层隧道协议。某网络结构如图3.3所示，采用L2TP来实现网络安全。 【问题1】 在由L2TP构建的VPN中，主要由(1)和(2)两种类型的服务器构成。 1．将图中(1)和(2)空缺名称填写在答题纸的相应位置。 2．简要说明两种服务器的主要作用。
微信支付 
支付宝支付