对以下代码片段作用的最准确描述是() wx.setStorage({ key:"key", data:"value" })A.将数据value异步存储在本地缓存指定的 key 中B.将数据data异步存储在本地缓存指定的 key 中C.将数据value同步存储在本地缓存指定的 key 中D.将数据data同步存储在本地缓存指定的 key 中

题目

对以下代码片段作用的最准确描述是() wx.setStorage({ key:"key", data:"value" })

A.将数据value异步存储在本地缓存指定的 key 中

B.将数据data异步存储在本地缓存指定的 key 中

C.将数据value同步存储在本地缓存指定的 key 中

D.将数据data同步存储在本地缓存指定的 key 中


相似考题
参考答案和解析
异步清空本地数据缓存
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    Scala中元组是是一种可迭代的键值对(key/value)结构。()

    此题为判断题(对,错)。


    正确答案:错误

  • 第2题:

    字典中,key和value是一一对应的,key可以改变,值不能改变。()

    此题为判断题(对,错)。


    参考答案:×

  • 第3题:

    Which encryption type is used to secure user data in an IPsec tunnel?()

    A. symmetric key encryption

    B. asymmetric key encryption

    C. RSA

    D. digital certificates


    参考答案:A

  • 第4题:

    Which statement is true regarding a session key in the Diffie-Hellman key-exchange process?()

    • A、A session key value is exchanged across the network.
    • B、A session key never passes across the network.
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    正确答案:B

  • 第5题:

    判断某个key是否在字典d中存在,以下做法正确且严谨的是:()

    • A、’key’ind.keys()
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    • C、hasattr(d,’key’)
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    正确答案:A,D

  • 第6题:

    Which description about asymmetric encryption algorithms is correct?()

    • A、They use the same key for encryption and decryption of data.
    • B、They use different keys for decryption but the same key for encryption of data.
    • C、They use different keys for encryption and decryption of data.
    • D、They use the same key for decryption but different keys for encryption of data.

    正确答案:C

  • 第7题:

    Which two statements are true about a bitmap index? ()

    • A、It is recommended for the columns that have unique values.
    • B、It can be converted to a B-tree index by using the ALTER INDEX command.
    • C、It has a bitmap segment for each distinct value in the key column, containing a string of bits in which each bit represents the presence or absence of a key column value.
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    正确答案:C,D

  • 第8题:

    In the COURSE_ENROLLMENT form module, you define a master-detail relation between the COURSES_OFFERED data block and the STUDENT data block, respectively. To implement block coordination, which statement must be true?()

    • A、 The Enforce Primary Key property on the STUDENT block is set to Yes. 
    • B、 The Alias property on the COURSES_OFFERED block is set to Student. 
    • C、 The Copy Value from item property on the foreign key item in the STUDENT blocks is set to the primary key item of the COURSES_OFFERED block. 
    • D、 The Synchronize with item property on the foreign key item in the STUDENT block is set to the primary key item of the COURSES_OFFERED block.

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  • 第9题:

    单选题
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    A

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    B

    putExtra(value)

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  • 第10题:

    单选题
    Which encryption type is used to secure user data in an IPsec tunnel?()
    A

    symmetric key encryption

    B

    asymmetric key encryption

    C

    RSA

    D

    digital certificates


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  • 第11题:

    单选题
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    A

    ”key”=”value”

    B

    ”key”=”value”;

    C

    ”value”=”key”

    D

    ”value”=”key”;


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  • 第12题:

    单选题
    Which statement is true regarding a session key in the Diffie-Hellman key-exchange process?()
    A

    A session key value is exchanged across the network.

    B

    A session key never passes across the network.

    C

    A session key is used as the key for asymmetric data encryption.

    D

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    解析: 暂无解析

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    Evaluate the following SQL statement used to create the PRODUCTS table:Which statement is true regarding this command?()

    A. It executes successfully but partition pruning cannot happen for this partition key.

    B. It produces an error because the TOTAL_VALUE column cannot be used as a partition key.

    C. It produces an error because compression cannot be used for the TOTAL_VALUE partition key.

    D. It executes successfully but the values in the TOTAL_VALUE column would not be physically stored in the partitions.


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  • 第14题:

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    何处理?


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  • 第15题:

    以下为一段浏览器中可运行的Javascript代码,则运行该段Javascript代码的页面弹出框中显示的结果是:() 1 var obj = {"key":"1","value":"2"};  2 var newObj = obj;  3 newObj.value += obj.key;  4 alert(obj.value);

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    • C、3
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    内核命令行参数的形式不可以是()

    • A、单个单词
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  • 第17题:

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    • D、session.getAttribute(“key”)

    正确答案:A

  • 第18题:

    Which two statements regarding asymmetric key encryption are true?()

    • A、The same key is used for encryption and decryption.
    • B、It is commonly used to create digital certificate signatures.
    • C、It uses two keys: one for encryption and a different key for decryption.
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  • 第19题:

    In which scenario will you create a sorted hash cluster? ()

    • A、 if the application uses queries joining tables only occasionally
    • B、 if the full table scan is executed often on only one table of the clustered tables
    • C、 if the data for all the rows of a cluster key value exceeds one or two Oracle blocks
    • D、 when you want the data to be returned automatically in the chronological order

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  • 第20题:

    You have an enterprise subordinate certification authority (CA) configured for key archival. Three key  recovery agent certificates are issued.   The CA is configured to use two recovery agents.   You need to ensure that all of the recovery agent certificates can be used to recover all new private keys.   What should you do()

    • A、Add a data recovery agent to the Default Domain Policy.
    • B、Modify the value in the Number of recovery agents to use box.
    • C、Revoke the current key recovery agent certificates and issue three new key recovery agent certificates.
    • D、Assign the Issue and Manage Certificates permission to users who have the key recovery agent  certificates.

    正确答案:B

  • 第21题:

    单选题
    In the COURSE_ENROLLMENT form module, you define a master-detail relation between the COURSES_OFFERED data block and the STUDENT data block, respectively. To implement block coordination, which statement must be true?()
    A

     The Enforce Primary Key property on the STUDENT block is set to Yes. 

    B

     The Alias property on the COURSES_OFFERED block is set to Student. 

    C

     The Copy Value from item property on the foreign key item in the STUDENT blocks is set to the primary key item of the COURSES_OFFERED block. 

    D

     The Synchronize with item property on the foreign key item in the STUDENT block is set to the primary key item of the COURSES_OFFERED block.


    正确答案: D
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements are true about a bitmap index? ()
    A

    It is recommended for the columns that have unique values.

    B

    It can be converted to a B-tree index by using the ALTER INDEX command.

    C

    It has a bitmap segment for each distinct value in the key column, containing a string of bits in which each bit represents the presence or absence of a key column value.

    D

    Updating the key column locks the whole bitmap segment that contains the bit for the key value to be updated.


    正确答案: D,A
    解析: 暂无解析

  • 第23题:

    单选题
    下列关于localStorage的说法中不正确的是()
    A

    localStoragE.getItem(key)。该接口用于获取指定key本地存储的值

    B

    localStoragE.length。该接口表示对象中存储的键值对的数量

    C

    localStoragE.removeItem(key)。该接口用于删除指定key本地存储的值

    D

    localStoragE.key(index)。该接口用于将value存储到key字段。index从0开始


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    Which description about asymmetric encryption algorithms is correct?()
    A

    They use the same key for encryption and decryption of data.

    B

    They use different keys for decryption but the same key for encryption of data.

    C

    They use different keys for encryption and decryption of data.

    D

    They use the same key for decryption but different keys for encryption of data.


    正确答案: B
    解析: 暂无解析