In a public-key cryptosystem,(71)encrypted with the public key can only be deciphered with the private key from the same(72). Conversely,(71)encrypted with the private key can be decrypted only with the public key. Users can make their public keys(73)avai

题目

In a public-key cryptosystem,(71)encrypted with the public key can only be deciphered with the private key from the same(72). Conversely,(71)encrypted with the private key can be decrypted only with the public key. Users can make their public keys(73)available or place them at a key distribution center or others to access. However, the private key must be(74)safe. In public-key systems there's no(75)to find a safe channel for communicating a shared secret key.

A．binarytext

B．hypertext

C．plaintext

D．supertext

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3.NET is both a business strategy from Microsoft and its(71)of(72)support for what are known as Web services, the ability to use the Web rather than your own computer for various services. Microsoft's goal is to provide individual and business users with a(73)interoperable and Web-enabled interface for applications and computing devices and to make computing activities increasingly Web browser-oriented. The .NET(74)includes servers; building-block services, such as Web-based data storage; and device software. It also includes Passport, Microsoft's fill-in-the-form-only-once identity(75)service.A．individualB．collectionC．setD．unit

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更多“In a public－key cryptosystem,(71)encrypted with the public key can only be deciphered with ”相关问题

  • 第1题：

    Packet-switching wireless networks are preferable(71)when transmissions are(72)because of the way charges are(73)per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are(74)for the(75)of time they use the network.

    A．to

    B．for

    C．than

    D．only


    正确答案：D

  • 第2题：

    The(71)is a combination of keys that allows the user to activate a program function without clicking a series of menus options.

    (71)A.shortcut-key

    B.quick-key

    C.fast-key

    D.rapid-key


    正确答案：A

  • 第3题：

    给定一个长度为11的散列表ht如下所示，采用双散列法解决冲突，两个散列函数分别为： h1（key)=key%11 h2（key)=key%9+1 请向散列表依次插入关键字为71,24,56,89的集合元素，给出插入完成后的散列表。（10分） i 0 1 2 3 4 5 6 7 8 9 10 ht[i] 23 46 90 49 27


    C

  • 第4题：

    YouwanttocreateanRMANrecoverycatalogintheRC01databasetohelpyoumanagethedatabasesnamedDB01andDB02.Youneedtocreatearecoverycatalogownerinwhichofyourdatabases?()

    A.RCO1only.

    B.DB01only.

    C.DB02only.

    D.DB01andDB02only.

    E.DB01，DB02，andRC01.


    参考答案：A

  • 第5题：


    Which of the following does the author cite in support of the quotation from the United Nations Scientific Committee on the Effects of Atomic Radiation？( )Ⅰ.Strontium 90 and carbon 14 become incorporated into the body and deliver radiation for an entire lifetime.Ⅱ.An abnormally high percentage of patients with arthritis of the spine who were treated with X rays contracted cancer.Ⅲ.A high incidence of cancer appeared among children of mothers who had been given prenatal pelvic X rays.

    A.Ⅰ only.
    B.Ⅰ，Ⅱ，and Ⅲ.
    C.Ⅰ and Ⅱ only.
    D.Ⅱand Ⅲ only.

    答案：D
    解析：
    细节题。根据题干关键词United Nations Scientific Committee on the Effects ofAtomic Radiation可定位到第三段。这段列举了Ⅱ和Ⅲ两个例子，D项正确。

  • 第6题：

    6.设按键key按下时，产生低电平0。实现key按下时，key_state 置1的程序段是（）

    A．if(key == 1) { delay(200); if(key == 1) key_state = 1; }

    B．if(key == 0) { delay(200); if(key == 0) key_state = 1; }

    C．while(key == 0) { delay(200); while (key == 0) key_state = 1; }

    D．while(key == 1) { delay(200); while (key == 1) key_state = 1; }


    A

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