区块链基础理论模拟试卷六

1、区块链网络中的节点包括?正确答案：A

1. Nodes in the block chain network include? Correct answer #xff1a;A

A、计算机

A. Computers

B、事件

B. Events

C、交易ID

C. Transaction ID

D、记录

D. Records

2、公钥和私钥是成对生成的，主要的用途，说法错误的是 正确答案：D

2 Public and private keys are paired generation & #xff0c; main use & #xff0c; wrong term is the correct answer & #xff1a; D

?A、私钥加密，公钥解密

?A, private key encryptionxff0c; public key decryption

B、公钥加密，私钥解密

B. Public key encryptionxff0c; private key decryption

C、数字签名

C. Digital signatures

D、公私钥对是由对称加密算法生成的

D. Public-private key pairs are generated by symmetric encryption algorithms

3、下列选项中不属于区块链的核心价值的是（） 正确答案：D

3. The core values of the following options that are not part of the block chain are xff08;xff09; Correct answer xff1a;D

A、创造信任

A. Creating Trust

B、分布关系

B. Distribution relationships

C、共识机制

C. Consensus mechanism

D、加密算法

D. Encryption algorithms

4、下列哪个文件的发布宣告区块链首次登上了世界舞台？?正确答案：D

4. Which of the following documents published a chain of declarations for the first time appeared on the world stage xff1f;? Correct answer xff1a;D

A、《以太坊：下一代智能合约和去中心化应用平台》

A. Etheria & #xff1a; Next Generation Smart Contracts and Decentralized Applications Platform

B、《布雷顿森林白皮书：比特币和区块链技术的希望》

B. Bretton Woods White Paper & #xff1a; Hope for Bitcoin and Block Chain Technologies

C、《腾讯区块链白皮书》

C. White Paper on the Tender Block Chain

D、《比特币：一种点对点的电子现金系统》

D. Bitcoin： a point-to-point electronic cash system

5、公有链的代表是？?正确答案：A

5. The public chain is represented by xff1f;? Correct answer xff1a;A

A、比特币

A. Bitcoin

B、赤链

B. Red chain.

C、R2联盟

C.R2 Alliance

D、超级账本

D. Superbooks

6、关于智能合约，下列说法正确的是：?正确答案：B

6 On Smart Contract & #xff0c; & #xff1a;? Correct answer & #xff1a; B

A、智能合约随着以太坊（ETH）的发明而被提出

A. Smart contracts were proposed with the invention of Etheria & #xff08; ETH& #xff09;

B、智能合约指当一个预先编好的条件被触发时，智能合约会立即执行相应的合同条款。

B. Smart contract means xff0c when a pre-arranged condition is triggered; an intelligent contract immediately implements the corresponding contract terms.

C、使用智能合约的区块链只能承担货币职能。

C. Block chains using smart contracts can only perform monetary functions.

D、智能合约的工作原理类似于计算机程序的while语句。

D. Smart contracts operate under principles similar to those of the computer program's while statement.

7、非对称加密包含（ ）密钥，分别是（ ）？?正确答案：D

7 Asymmetric encryption includes & #xff08; & #xff09; key & #xff0c; & #xff08; & & #xff09; & #xff1f;? Correct answer & #xff1a; D

A、一个，公钥

A, one & #xff0c;public key

B、一个，私钥

B, one & #xff0c;private key

C、两个，公钥、密钥

C, two & #xff0c; public key, key

D、两个，公钥、私钥

D, two & #xff0c; public key, private key

8、关于Hash下列说法正确的是？?正确答案：B

The correctness of xff1f;? The correct answer xff1a; B

A、哈希是一种数学计算机程序，它只能接受固定长度的输入信息，通过哈希算法变换成固定的长度的数据指纹输出形式

A. Hashi is a mathematical computer program & #xff0c; it can only accept input information of a fixed length & #xff0c; converted to a fixed length of digital fingerprint output through the Hashi algorithm

B、哈希是一种数学计算机程序，它可以接受任意长度的输入信息，通过哈希算法变换成固定的长度的数据指纹输出形式

B. Hashi is a mathematical computer program & #xff0c; it can accept input information at any length & #xff0c; converts data fingerprinting at a fixed length through the Hashi algorithm

C、哈希使存储和查找信息的速度变的更慢，因为哈希值通常是固定的长度的数据

C. Hash changes the speed at which information is stored and found xff0c; since Hashi values are usually data of fixed lengths

D、哈希使存储和查找信息的速度变的更快，因为哈希值通常是不固定的长度的数据

D. Hash changes the speed of storage and search of information faster xff0c; because Hashi values are usually data of an irregular length

10、关于哈希值，下列说法中正确的是?正确答案：A

10, about Hashi & #xff0c; right in the following statement? Correct answer #xff1a; A

A、Hash是计算机科学中的一个术语，意思是输入任意长度的字符串，然后产生一个固定长度的输出

A.Hash is a term in computer science & #xff0c; it means a string of any length & #xff0c; then produces an output of a fixed length

B、改变明文中任意一个字母，得到的哈希值有可能相同

B. Changes to any of the letters specified & #xff0c; likely the Hashi value obtained is the same

C、哈希算法只有一种

There's only one kind of Hashi algorithm.

D、每次哈希计算得到的哈希值长度是不固定的

D. Hashi calculates an irregular length of Hashi's value at each time

11、下面关于Token的说法错误的是?正确答案：D

What's wrong with what's going on with Token is that the right answer is #xff1a; D

A、在计算机中，“令牌”一词有两个意思：对用户进行授权的小工具，或是认证用户身份的固定字符串

A, xff0c in a computer; the word "demonstration" has two meanings xff1a; a small tool to authorize users xff0c; or a fixed string to authenticate user identification

B、在加密货币中令牌是数字价值的一个单位，是内置可编程潜力的代币

B. Decorator in encrypted currency is a unit of numerical value xff0c; is a token of built-in programmable potential

C、加密货币中，令牌除了具备经济属性外，同时也可用以构建软件，并可能通过技术实现集代币、身份识别、荣誉标识、确权工具、资产量化指标、系统通行证和系统保护于一身的工具

C. xff0c in encrypted currency; tokens in addition to economic attributes xff0c; also tools that can be used to build software xff0c; and tools that may be technologically used to achieve the protection of one's currency collection, identification, honour marking, authentication tools, asset quantification indicators, system passes and systems

D、令牌主要分为：支付令牌、功能令牌、数字令牌

D. Decorations are divided mainly into xff1a; payment medals, functional tokens, digital tokens

12、下面关于以太坊叔块率的说法错误的是？?正确答案：A

12, the following is wrong about the etherm rate: xff1f;? Correct answer xff1a; A

A、叔块不能进入主链，所以是完全无效的。

A. An uncle cannot enter the main chain & #xff0c; therefore it is null and void.

B、更小的块的传播速度更快，叔块产生概率更低。

B. Smaller blocks spread faster xff0c; uncles are less likely to produce.

C、如果网络产生的叔块概率提高，那么矿工将需要降低燃料限制。

C. Miners will need to lower fuel restrictions if network-generated euphoria xff0c increases.

D、叔块目前是以太坊特有的概念

D. Uncle is now a concept specific to Tai Ho.

13、截止到2019年1月份，在比特币区块链中，中国拥有的全节点数是多少？?正确答案：C

13 xff0c as of January 2019; xff0c in the Bitcoin block chain; what is the full number of points in China's possession xff1f;? Correct answer xff1a; C

A、约占全球的10%

A. About 10 per cent of the world's population

B、约占全球的15%

B. About 15 per cent of the world's population

C、约占全球的4%

C. About 4 per cent of the world's population

D、约占全球的6%

D. About 6 per cent of the world's population

14、拜占庭将军问题解决了那些问题？?正确答案：B

14: The issue of General Byzantine solved those problems xff1f;? Correct answer xff1a; B

A、分布式通讯

A. DISTRIBUTIONAL COMMUNICATIONS

B、共识机制

B. Consensus mechanism

C、内容加密

C. Content encryption

D、领土纠纷

D. Territorial disputes

15、全球发行首个国有“电子货币系统”的国家是_______。?正确答案：A

15 The country with the first national “e-money system” for global distribution is ___. Correct answer xff1a; A

A、厄瓜多尔

A. Ecuador

B、毛里求斯

B. Mauritius

C、墨西哥

C. Mexico

D、智利

Chile

16、2014年哪个国家发布了比特币税收准则？?正确答案：B

16, which country issued the Bitcoin Tax Guidelines xff1f;? Correct answer xff1a; B

A、美国

A. United States

B、澳大利亚

Australia

C、德国

C. Germany

D、日本

Japan

17、信用证的当事人不包括?正确答案：D

17. The parties to the letter of credit are not included? Correct answer xff1a; D

A、申请人

A. APPLICATIONS

B、开证银行

B. LIMITED BANKS

C、受益人

C. Beneficiaries

D、服务人

D. Waiters

18、51％攻击能做什么？?正确答案：A

18, 51 #xff05; what can an attack do xff1f;? Correct answer xff1a; A

A、修改自己的交易记录，这可以使他进行双重支付

A. Modifying his own transaction log & #xff0c; this allows him to make double payments

B、修改变每个区块产生的比特币数量

B. Number of bitcoins generated by modifying each block

C、凭空产生比特币D、把不属于他的比特币发送给自己

C. Generate bitcoinD from thin air, send it to yourself that doesn't belong to him.

19、在区块链溯源应用5层架构中，下面对核心层描述不正确的是?正确答案：C

19 xff0c in the application of the block chain to the 5-storey architecture; what is wrong with the core layer below? Correct answer xff1a; C

A、核心层是区块链系统的最重要的组成部分

A. The core layer is the most important component of the block chain system

B、会影响整个系统的安全性和可靠性

B. Impacts on the security and reliability of the system as a whole

C、核心层是溯源应用落地过程中必不可少的重要组件

C. The core layer is an essential component of a retrospective application.

D、共识机制与P2P 网络传输是区块链的核心技术

D. Consensus mechanism and P2P network transmission are core technologies in block chains

20、关于区块链以下说法正确的是？?正确答案：D

20. The correct description of the block chain is xff1f;? Correct answer xff1a;D

A、单一的新技术

A. Single new technologies

B、新型加密货币

B. New encrypt currency

C、绝对安全的存储模式

C. Absolute safe storage mode

D、区块链中的智能合约非合同

D. Smart contracts in block chains not contracts

21、零知识证明是20世纪80年代初由计算机科学家Goldwasser和Micali等人共同提出的一项技术，下面对零知识证明的性质正确的是？?正确答案：C

The zero-knowledge test was a technique proposed by computer scientists Goldwasser and Micali, among others, in the early 1980s xff0c; the correct nature of the zero-knowledge certificate is xff1f; below? The correct answer xff1a; C

A、合理性；封闭性；完备性；

A, Reasonability xff1b; Closed xff1b; Fullness xff1b;

B、完备性；零知识性；封闭性；

B, Fullness & #xff1b; Zero Knowledge & #xff1b; Closed & #xff1b;

C、零知识性；合理性；完备性；

C. Zero knowledge & #xff1b; Reasonability & #xff1b; Fullness & #xff1b;

D、封闭性；零知识性；合理性。

D, closed xff1b; zero knowledge xff1b; reasonableness.

22、加密货币如果设置过短的确认时间会更容易导致什么出现？?正确答案：C

22. What would be more likely to lead to an encrypt currency if it was set at a short confirmation time xff1f;? Correct answer xff1a;C

A、高效率

A. Efficiency

B、低效率

B. Inefficiency

C、孤块

C. Alone.

D、双花

D. Double flowers.

23、比特币如何保证挖矿时间的恒定？?正确答案：C

23, How does Bitcoin guarantee a constant flow of mining time xff1f;? Correct answer xff1a; C

A、系统强制要求，必须在规定的时间内挖到矿

A. System-compulsory requirements xff0c; mine must be mined within a specified time frame

B、根据交易的笔数来确定挖矿的时间

B. Determination of mining times based on the number of pens traded

C、比特币系统靠调节难度系数保证

C. Bitcoin is guaranteed by the reconciliation difficulty factor

D、矿工们一致约定的时间

D. Time agreed by the miners

24、区块链密封的关键？?正确答案：B

24. Key to block chain sealing xff1f;? Correct answer xff1a;B

A、共识机制

A. Consensus mechanisms

B、哈希函数

B. Hashi function

C、分布式记账

C. Distributive recording

D、投票机制

D. Voting mechanisms

25、下列加密货币及其对应技术，匹配正确的是：?正确答案：A

The following encrypted currency and its response technology xff0c; the correct match is xff1a;? The correct answer xff1a;A

A、Monero（门罗币）：环形签名技术；

A, Monero（ Monroexff09; xff1a; ring signature technologyxff1b;

B、Zcash（零币）：混币技术；

B, Zcash（ Unit & #xff09; & #xff1a; Mixed currency technology & #xff1b;

C、Dash（达世币）：零知识证明；

C, Dash（ Dyat & #xff09; & #xff1a; Zero Knowledge Certificate & #xff1b;

D、Zcash（零币）：环形签名技术

D, Zcash（ Unit & #xff09; & #xff1a; ring signature technology

多选

preferred

1、制约我国商业保险发展的因素有哪些？?正确答案：ABCD

What are the constraints to the development of commercial insurance in our country? xff1f;? Correct answer xff1a; ABCD

A、保险市场发育不完善

A. Inadequacy of the insurance market

B、保险经营机制不完善

B. Inadequacy of insurance mechanisms

C、员工队伍素质不齐

C. Poor quality of the workforce

D、经济发展水平相对落后，发展不平衡

D. Relatively backward levels of economic development xff0c; uneven development

2、目前在信贷风控的哪些方面应用了大数据技术？?正确答案：ABCD

2. Which aspects of credit wind control are currently applied to big data technology & #xff1f;? Correct answer & #xff1a; ABCD

A、反欺诈审查? ? ? B、风控模型? ? ? C、风险预警? ? ? D、贷后催收

A, Anti-Fraud Review? B, Wind Control Model?

3、大数据的4V特征包括?正确答案：ABCD

3. Large data 4V features include? Correct answer xff1a; ABCD

A、大量? ? ?B、多样? ? ?C、价值? ? ?D、高速

A, a lot of ♪ B, diversity ♪ C, value ♪ D, high speed.

4、国际三大企业信用评级机构是?正确答案：ABC

4. What are the three major international corporate credit rating agencies? Correct answer #xff1a; ABC

A、标准普尔? ? ?B、穆迪? ? ?C、惠誉国际? ? D、中诚信

A, Standard & Poor's? B, Moody? C, Fitch International?

5、大数据风控技术在信贷领域的作用是?正确答案：ABCD

The role of big data wind control technology in the area of credit? Correct answer #xff1a; ABCD

A、好坏客户识别? ? ?B、降低企业损失? ? ?C、用户资质分层? ? ?D、利润最大化

A. Good and bad customer identification? B. Reducing business losses? C. User Qualifications? D. Maximizing profit

6、区块链在金融业的应用场景包括（）?正确答案：ABCD

6. The financial industry application of block chains includes xff08;xff09;? Correct answerxff1a; ABCD

A、数字货币? ? ?B、票据与供应链? ? ?C、支付清算? ? ?D、信贷融资

A, digital currency? ♪ B, paper and supply chain? ♪ C, payment clearing? ♪ D, credit financing

7、供应链金融产品主要分为哪几类业务？（）?正确答案：ABC

7. What are the main lines of operations for supply chain financial products xff1f;xff08;xff09;? Correct answer xff1a; ABC

A、存货类? ? ?B、预付类? ? ?C、应收类? ? ?D、订单类

A, stock class? B, prepaid class? C, receivable class? D, order class

8、开展订单融资业务，我行应优先选择符合以下条件的买方？?正确答案：ABD

8. Carrying out order financing & #xff0c; we should give preference to buyers & #xff1f;? Correct answer & #xff1a; ABD

A、为行业内优质的全国性或区域性龙头企业，细分市场的领先企业

A. National or regional champions of good quality within the industry & #xff0c; leading firms with a market breakdown

B、总行级重点客户名单内的企业

B. Enterprises included in the list of priority clients at the head office level

C、积极配合我行对订单融资在卖方准入、订单真实性确认、回款账户唯一性确认等方面开展合作的客户

C. Clients actively cooperating in order financing in terms of seller access, confirmation of the authenticity of the order, confirmation of the soleness of the repayment account

D、愿意向我行推荐其优质供应商开展订单融资业务的客户

D. Clients willing to recommend their high-quality suppliers to me for order-financing operations

答案解析：积极配合我行对订单融资在买卖双方准入、订单真实性确认、回款账户唯一性确认等方面开展合作的客户

Answers parsing xff1a; active collaboration with clients of purchase-order financing in terms of buyer-seller access, confirmation of the authenticity of the order, confirmation of the soleness of the refund account

9、基于区块链的农业保险优势在于？（ ）?正确答案：BCD

The advantages of block-based agricultural insurance are xff1f; xff08; xff09;? Correct answer xff1a; BCD

A、提高保险企业利润

A. Improving the profitability of insurance enterprises

B、“时间戳”功能，使数据真实可用

B. Time stamp function & #xff0c; making data truly available

C、扩大农业保险覆盖范围

C. Expansion of agricultural insurance coverage

D、智能合约，系统自动赔付

D. Smart contracts & #xff0c; system automatic payments

10、国际贸易金融中，区块链的解决方案的优势在于（）。?正确答案：ABCD

10 xff0c in international trade finance; solutions to block chains have the advantage of xff08; xff09; ff09;? Correct answer xff1a; ABCD

A、节省中间人的费用? ? ?B、减少对手方风险? ? C、订单细则实时查询? ? D、实现监管的透明化

A. Savings on middleman costs? B, Reduction of counterparty risk? C, Real-time search of order rules? D, Transparency of regulation

判断

/strang'

1、梅克尔树（又叫哈希树）是一种二叉树?正确答案：对

1; Merkel Tree #xff08; Hashi Tree #xff09; is a two-fork tree? Correct answer #xff1a; yes

2、区块链中的第一个区块被称为“创世”区块?正确答案：对

2. The first block in the block chain is called the Genesis block? The correct answer is #xff1a; yes

3、公私钥是由非对称加密技术产生的，公钥和私钥不同，但是可以基于私钥生成公钥?正确答案：对

3. Public and private keys are generated by asymmetric encryption technology & #xff0c; public and private keys are different & #xff0c; but public keys can be generated based on private keys? Correct answer & #xff1a;

4、区块链分为两类，即公有链、私有链（）?正确答案：错

4. Block chains are divided into two categories: xff0c; i.e. public, private; xff08; xff09;? Correct answer xff1a; error

5、DCEP中所谓的双离线支付，指的是像纸钞一样实现满足飞机、邮轮、地下停车场等网络信号不佳场所的电子支付需求?正确答案：对

5. The so-called two-way payments in DCEP & #xff0c; i.e. e-payment requirements for non-network signal locations such as aircraft, cruise ships, underground parking lots, like banknotes? Correct answer & #xff1a; yes

6、区块链等于分布式账本（）?正确答案：错

6. Block chains equal distributed books & #xff08; & #xff09;? Correct answer & #xff1a; error

7、区块链是一种去中心化的分布式共享记账技术，它要做的事情就是让参与的各方能够在技术层面建立信任关系?正确答案：对

7. Block chains are a decentralised distributed shared bookkeeping technique xff0c; what it does is it allows the parties involved to build a relationship of trust at the technical level? Correct answer xff1a; yes

8、比特币一共有2100万枚?正确答案：对

8. Bitcoin totals 21 million? Correct answer #xff1a; yes.

9、区块链的数据具有不可篡改的特性?正确答案：对

9. Data from block chains have immutable characteristics? Correct answer #xff1a;

10、在区块链中，通过解决一个数学难题来证明自己的工作量。这个数据难题就是，对一个数字串进行两次SHA256运算，如果得到的数，小于一个指定的值，就算是成功。否则，要通过不断的尝试试错，来求解这个数?正确答案：对

10, in the block chain & #xff0c; attesting to its workload by solving a mathematical problem. The data problem is & #xff0c; double SHA256 operation for a numerical string & #xff0c; if the number xff0c is less than a given value xff0c; even if it is successful. Otherwise #xff0c; solve this by constantly trying error #xff0c; solve this number? The correct answer #xff1a;