1、living standards, poor farmers in less than complete elimination of 4600 Yuan, 8949, 19008. “Five waters rule“: the County invested 2.169 billion yuan, similar counties line the citys first complete the 42 km of sewage pipe network construction, completion rate ranked first in the city, won the prov
2、incial rural sewage treatment work better; key pollution sources such as electroplating, papermaking, chemical industry management through verification and acceptance of the municipal government, the County removed Black and odorous River, River waste, beginning of river ecological restoration effec
3、ts. “Three modified a split“ aspects: County total demolition illegal area up 2.759 million square meters, completed City issued annual task of 153%, split against area ranking city second; completed “three modified“ area 4.846 million square meters, completed City issued annual task of 403%, rankin
4、g city third, which village in the a target completed total city ranking first; County Government was named city level “three modified a split“ work advanced. These achievements are hard won and should be appreciated. However, we are fully aware, the new period, and work in the countryside and the e
5、nvironment facing higher standards and requirements, provincial party Committee offered to high level build a comprehensive well-off society goal requires “no filth, dirty environment illegal buildings, into a well-off“; municipal party Committee also proposes to build into the well-off benchmark go
6、als of the city. Compared with the superior claim, “South Gate of XX beautiful“ goal, my County “San Nong“ and environment there are a number of weaknesses and gaps, highlighted in the following five aspects: first, agriculture remained “low“ pattern. “Low“ is reflected in the quality and low; short
7、, value added of the industry chain is low; 123 fusion yield low employee age, low quality. “Small“ is reflected in smaller, specialized cooperatives throughout the County there were 3,396, but on the scale of too little. “San“ is reflected in production, management, services, decentralized, central
8、ized, standardized, brand, information and organizational level is not high. Second, the countryside is still in “dirty“ phase. “Dirty“ is dirty of rural sanitation situation has not changed. “Chaos“ is a village in rural housing construction planning, construction of disorder, no drawings, no const
9、ruction, no vetting “four no“ phenomenon, heap lying there. “Bad“ is the weak rural base, village governance is poor. Thirdly, farmers continued to be “persistent“ look. “Old“ is aging, rural labor force accounted for 70% over the age of 50. “Big“ is that the reform measures ground resistance, such
10、as the transactions of property rights, land replacement; public service supply gap, rural education, health care, pensions and other services can not meet the demand still difficult for poverty alleviation, with emphasis on poverty alleviation and 191. “Hard“ is a “peasants, peasants. Four water ef
11、fects still lackscompelling.“ Although the “five water treatment“ a lot, work very hard, but the flood of scientific enough, before the treatment and water quality improvement after the treatment effect is not obvious, county-wide focus on river still largely inferior five water, swimming the River
12、could not be found. Five is “three to split“ task still lies ahead. Notice of stock there, new construction did not receive timely treatment every year (such as ancestral hall as unauthorised repeated), contrary to the created work is very different from the provincial and municipal standards. Meanw
13、hile, when implementation is not in place, generally only focus on illegal construction demolished, failing that split that is clear, combined demolition, insufficient attention to reconstruction of old residential areas, urban villages, shanty towns and promote poor. To solve these problems, we mus
14、t enhance the sense of responsibility and urgency, insist on problem-oriented, to take strong measures, efforts to make up the “three agriculture“ and “five water treatment“, “three to split a“ short Board, construction of comprehensive safeguards, “South Gate of XX beautiful“ goal of realizing. II,
15、 and precision Shi policy, and manpower playing good “three agricultural“ work protracted “three agricultural“ work is do economic social development the work of based, county levels the sector to according to “based agricultural, and and manpower rural, and development farmers“ of requirements, ins
16、isted agricultural rural based status not shake, insisted huinong kulak policy not weakened, insisted reform innovation test not stop, efforts created new era “three agricultural“ work new situation. (A) to make agriculture more. To establish the concept of agriculture around the people demand, and
17、comprehensively promote the supply side of agriculture structural reform, strive to enhance the quality and efficiency of agriculture and competitiveness. Focus is on doing the four articles. One is the steady increase of grain article. Always tighten the string for food security, “rice bag“ catch i
18、n hand, to hold land in the adjustment of agricultural planting structure in the “red line.“ Accelerating the construction of grain ribbons, improving agricultural infrastructure, enhance food production capacity, improve the quality of agricultural products, effectively “steady increase of grain“ a
19、nd maintain “tongue.“ Second, industry convergence article. Enhance the level of concentration, intensification of agriculture, creating production, processing, distribution, sales and service in one of the agricultural industrial chain, to break down the value chain, improve added value. Pushing fo
20、rward “the Internet + agricultural“ model to improve agricultural production, management, and service level, innovating the mode of e-commerce marketing of agricultural products, solve the difficult problem of sales of agricultural products. Agriculture and tourism, education, culture, health, pensi
21、on and other deep integration, develop leisure, travel第一次作业 论述题：1、 它是数字签名的新的应用。首先生成两条消息的摘要，将两个摘要连接起来，生成一个新的摘要（称为双重签名） ，然后用签发者的私有密钥加密，为了让接收者验证双重签名，还必须将另外一条消息的摘要一起传过去。这样，任何一个消息的接收者都可以通过以下方法验证消息的真实性：生成消息摘要，将她和另外一个消息摘要连接起来，生成新的摘要，如果它与解密后的双重签名相等，就可以确定消息是真实的。2、目前还有一种标准的定义，常见的是对这种攻击形式、特点的描述。微软技术中心从两个方面进行了描
22、述：（1）脚本注入式的攻击；（2）恶意用户输入用来影响被执行的 SQL 脚本。Stephen kost 给出了这种攻击的另一个特征从一个数据库获得未经授权的访问和直接检索。就本质而言，SQL 注入攻击利用的工具是 SQL 的语法，针对的是应用程序开发者编程过程中的漏洞。当攻击者能够操作数据，往应用程序中插入一些 SQL 语句时， SQL 注入攻击就发生了。3、端到端加密允许数据在从源点到终点的传输过程中始终以密文形式存在。采用端到端加密(又称脱线加密或包加密),消息在被传输时到达终点之前不进行解密,因为消息在整个传输过程中均受到保护,所以即使有节点被损坏也不会使消息泄露。端到端加密系统的价格便
23、宜些,并且与链路加密和节点加密相比更可靠,更容易设计、实现和维护。端到端加密还避免了其它加密系统所固有的同步问题,因为每个报文包均是*被加密的,所以一个报文包所发生的传输错误不会影响后续的报文包。此外,从用户对安全需求的直觉上讲,端到端加密更自然些。单个用户可能会选用这种加密方法,以便不影响网络上的其他用户,此方法只需要源和目的节点是保密的即可。端到端加密系统通常不允许对消息的目的地址进行加密,这是因为每一个消息所经过的节点都要用此地址来确定如何传输消息。由于这种加密方法不能掩盖被传输消息的源点与终点,因此它对于防止攻击者分析通信业务是脆弱的。4、是只涉及到通信双方的数字签名5、仲裁者对发送的
24、签名进行测试，检查其来源和内容，然后加上时间戳，并与已被仲裁者通过验证的签名一起发送给接收方。仲裁者扮演了裁判的角色。这种签名的前提是参与者相信仲裁的公平公正。 单选题：1： “进不来“ 拿不走“看不懂 “改不了“走不脱“是网络信息安全建设的目的。其中，“拿不走“是指下面那种安全服务（D） A：数据加密 B：身份认证 C：数据完整性 D：访问控制2：以下有关代理服务技术的描述中，正确的是 （D ） A：允许内外网间 IP 包直接交互 B：从网络层次看工作在网络层C：通常都是基于硬件实现的 D：与包过滤相比速度要慢些3：关于防火墙的功能，以下哪一种描述是错误的？（D） A：防火墙可以检查进出内部
25、网的通信量B：防火墙可以使用应用网关技术在应用层上建立协议过滤和转发功能living standards, poor farmers in less than complete elimination of 4600 Yuan, 8949, 19008. “Five waters rule“: the County invested 2.169 billion yuan, similar counties line the citys first complete the 42 km of sewage pipe network construction, completion rate ra
26、nked first in the city, won the provincial rural sewage treatment work better; key pollution sources such as electroplating, papermaking, chemical industry management through verification and acceptance of the municipal government, the County removed Black and odorous River, River waste, beginning o
27、f river ecological restoration effects. “Three modified a split“ aspects: County total demolition illegal area up 2.759 million square meters, completed City issued annual task of 153%, split against area ranking city second; completed “three modified“ area 4.846 million square meters, completed Cit
28、y issued annual task of 403%, ranking city third, which village in the a target completed total city ranking first; County Government was named city level “three modified a split“ work advanced. These achievements are hard won and should be appreciated. However, we are fully aware, the new period, a
29、nd work in the countryside and the environment facing higher standards and requirements, provincial party Committee offered to high level build a comprehensive well-off society goal requires “no filth, dirty environment illegal buildings, into a well-off“; municipal party Committee also proposes to
30、build into the well-off benchmark goals of the city. Compared with the superior claim, “South Gate of XX beautiful“ goal, my County “San Nong“ and environment there are a number of weaknesses and gaps, highlighted in the following five aspects: first, agriculture remained “low“ pattern. “Low“ is ref
31、lected in the quality and low; short, value added of the industry chain is low; 123 fusion yield low employee age, low quality. “Small“ is reflected in smaller, specialized cooperatives throughout the County there were 3,396, but on the scale of too little. “San“ is reflected in production, manageme
32、nt, services, decentralized, centralized, standardized, brand, information and organizational level is not high. Second, the countryside is still in “dirty“ phase. “Dirty“ is dirty of rural sanitation situation has not changed. “Chaos“ is a village in rural housing construction planning, constructio
33、n of disorder, no drawings, no construction, no vetting “four no“ phenomenon, heap lying there. “Bad“ is the weak rural base, village governance is poor. Thirdly, farmers continued to be “persistent“ look. “Old“ is aging, rural labor force accounted for 70% over the age of 50. “Big“ is that the refo
34、rm measures ground resistance, such as the transactions of property rights, land replacement; public service supply gap, rural education, health care, pensions and other services can not meet the demand still difficult for poverty alleviation, with emphasis on poverty alleviation and 191. “Hard“ is
35、a “peasants, peasants. Four water effects still lackscompelling.“ Although the “five water treatment“ a lot, work very hard, but the flood of scientific enough, before the treatment and water quality improvement after the treatment effect is not obvious, county-wide focus on river still largely infe
36、rior five water, swimming the River could not be found. Five is “three to split“ task still lies ahead. Notice of stock there, new construction did not receive timely treatment every year (such as ancestral hall as unauthorised repeated), contrary to the created work is very different from the provi
37、ncial and municipal standards. Meanwhile, when implementation is not in place, generally only focus on illegal construction demolished, failing that split that is clear, combined demolition, insufficient attention to reconstruction of old residential areas, urban villages, shanty towns and promote p
38、oor. To solve these problems, we must enhance the sense of responsibility and urgency, insist on problem-oriented, to take strong measures, efforts to make up the “three agriculture“ and “five water treatment“, “three to split a“ short Board, construction of comprehensive safeguards, “South Gate of
39、XX beautiful“ goal of realizing. II, and precision Shi policy, and manpower playing good “three agricultural“ work protracted “three agricultural“ work is do economic social development the work of based, county levels the sector to according to “based agricultural, and and manpower rural, and devel
40、opment farmers“ of requirements, insisted agricultural rural based status not shake, insisted huinong kulak policy not weakened, insisted reform innovation test not stop, efforts created new era “three agricultural“ work new situation. (A) to make agriculture more. To establish the concept of agricu
41、lture around the people demand, and comprehensively promote the supply side of agriculture structural reform, strive to enhance the quality and efficiency of agriculture and competitiveness. Focus is on doing the four articles. One is the steady increase of grain article. Always tighten the string f
42、or food security, “rice bag“ catch in hand, to hold land in the adjustment of agricultural planting structure in the “red line.“ Accelerating the construction of grain ribbons, improving agricultural infrastructure, enhance food production capacity, improve the quality of agricultural products, effe
43、ctively “steady increase of grain“ and maintain “tongue.“ Second, industry convergence article. Enhance the level of concentration, intensification of agriculture, creating production, processing, distribution, sales and service in one of the agricultural industrial chain, to break down the value ch
44、ain, improve added value. Pushing forward “the Internet + agricultural“ model to improve agricultural production, management, and service level, innovating the mode of e-commerce marketing of agricultural products, solve the difficult problem of sales of agricultural products. Agriculture and touris
45、m, education, culture, health, pension and other deep integration, develop leisure, travelC：防火墙可以使用过滤技术在网络层对数据包进行选择D：防火墙可以阻止来自内部的威胁和攻击4：以下有关防火墙的描述中，错误的是（ A ） A：防火墙是一种主动的网络安全防御措施 B：防火墙可有效防范外部攻击C：防火墙不能防止内部人员攻击 D：防火墙拓扑结构会影响其防护效果5：以下指标中，可以作为衡量密码算法加密强度的是（D） A：计算机性能 B：密钥个数 C：算法保密性 D：密钥长度6：下面哪一种算法属于对称加密算法（
46、A） A：DES B：RSA C：ECC D：DSA7：下面哪一种算法属于非对称加密算法（C） A：AES B：Rijindael C：RSA D：DES8：以下哪个选项是对称密钥密码体制的特点（ A ） A：加解密速度快 B：密钥不需传送 C：密钥管理容易 D：能实现数字签名9：以下协议中，哪种协议利用了握手机制来协商加密方式（C） A：安全 RPC B：SOCK5 C：SSL D：MD510：一个好的密码体制，其安全性应仅仅依赖于（D ） A：其应用领域 B：加密方式的保密性 C：算法细节保密性 D：密钥的保密性11：下列关于密码学作用的描述中，错误的是（D ） A：加密信息，使非授权用户
47、无法知道消息的内容B：消息接收者能通过加解密来确认消息的来源C：消息接收者能通过密码技术来确认消息在传输中是否被改变 D：通过密码学可提供完全的安全保障12：下面选项中，使用了公钥密码体制的是（A） A：SSL B：SOCK5 C：Kerberos D：MD513：单选题 公钥密码是（B） A：对称密钥技术，有 1 个密钥 B：不对称密钥技术，有 2 个密钥C：对称密钥技术，有 2 个密钥 D：不对称密钥技术，有 1 个密钥14：单选题 加密密钥和解密密钥不同，且从其中一个密钥难以推出另一个密钥，这样的系统称为 （C） A：常规加密系统 B：单密钥加密系统 C：公钥加密系统 D：对称加密系统1
48、5：单选题 下列选项中，不属于 HASH 算法的是（ A） A：ECC B：MD4 C：MD5 D：SHA16：单选题SHA 是指以下哪个专用名词的简称？（C ） A：数字签名算法 B：数据加密标准 C：安全散列算法 D：电子数据交换17：单选题 抵御电子邮箱入侵措施中，不正确的是：（D） A：不用生日做密码 B：不要使用少于 5 位的密码 C：不要使用纯数字 D：自己做服务器18：单选题 密码分析者不仅知道一些消息的密文，还知道个别密文块对应的明文，试图推导出加密密钥或算法，这种攻击被称为（ C） A：惟密文攻击 B：已知明文攻击 C：选择明文攻击 D：选择密文攻击19：单选题 以下哪些做法可以增强用户口令的安全性（C ） living standards, poor farmers in less than complete elimination of 4600 Yuan, 8949, 19008. “Five waters rule“: the County invested 2.169 billion yuan, similar counties line the citys first complete the 42
