Which component of VPN technology ensures that data can be read only by its intended recipient?()A. data integrityB. encryptionC. key exchangeD. authentication

题目
Which component of VPN technology ensures that data can be read only by its intended recipient?()

A. data integrity

B. encryption

C. key exchange

D. authentication

相似考题

1.Examine the following command that is used to duplicate a database on the same host:Which two statements describe the effect after the database is duplicated successfully? ()A. The data files of the read-only tablespaces in the target database are not duplicatedB. The read-only tablespaces in the target database are still defined in new the databaseC. The read-only tablespaces in the target database are changed to online after duplicationD. The data files of the read-only tablespaces in the target database get duplicatedE. The read-only tablespaces in the target database are not defined in the new database

2.Which two statements about subqueries are true? （）A、A single row subquery can retrieve data from only one table.B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.C、A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.D、A single row subquery can retrieve data from more than one table.E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.F、A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.

3.Which two statements correctly describe the relation between a data file and the logical databasestructures（）A、An extent cannot spread across data files.B、A segment cannot spread across data files.C、A data file can belong to only one tablespace.D、A data file can have only one segment created in it.E、A data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.

4.A user copied files from a CD and now the files can only be opened as read－only. Which of the following utilities can be used to allow the user the ability to edit the files?()A.EDITB.CHMODC.ATTRIBD.CONVERT

更多“Which component of VPN technology ensures that data can be read only by its intended recipient?() ”相关问题

  • 第1题：

    You have enabled backup optimization for the RMAN environment.Identify two criteria on which RMAN will skip the file, if it has already been backed up.（）

    • A、The data file backup is done with multiple channels
    • B、The data files is in the read-write mode after being backed up in the read only mode
    • C、The backup was taken after the data files was taken offline-normal or is in the read only mode
    • D、The data file backup complies with the back retention policy and the backup duplexing feature

    正确答案:C,D

  • 第2题：

    The Cisco UC520 provides integrated WLAN connectivity to mobile clients for which technology?（）

    • A、voice only
    • B、data and voice
    • C、data only

    正确答案:B

  • 第3题：

    A user copied files from a CD and now the files can only be opened as read-only. Which of the following utilities can be used to allow the user the ability to edit the files?（）

    • A、EDIT
    • B、CHMOD
    • C、ATTRIB
    • D、CONVERT

    正确答案:C

  • 第4题：

    You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）

    • A、A backup of the target database when it is mounted
    • B、A backup of online redo log files when the database is open
    • C、A backup of only used data blocks in the file beingbeingbackup up
    • D、A backup of online， read/write data files when the database is open
    • E、A backup of only those data blocks that have changed since a previous backup
    • F、A backup of online， read/write data files when the database is in the NOMOUNT state.

    正确答案:A,C,D,E

  • 第5题：

    Examine the following command that is used to duplicate a database on the same host: RMAN> RUN { ALLOCATE AUXILIARY CHANNEL, aux 1 DEVICE TYPE DISK; DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY; / } Which two statements describe the effect after the database is duplicated successfully? （）(Choose two)

    • A、The data files of the read-only tablespaces in the target database are not duplicated
    • B、The read-only tablespaces in the target database are still defined in new the database
    • C、The read-only tablespaces in the target database are changed to online after duplication
    • D、The data files of the read-only tablespaces in the target database get duplicated
    • E、The read-only tablespaces in the target database are not defined in the new database

    正确答案:A,B

  • 第6题：

    The RECYCLEBIN parameter is set to ON for your database. You drop a table，PRODUCTS，from the SCOTT schema.  Which two statements are true regarding the outcome of this action？（）

    • A、 All the related indexes and views are automatically dropped
    • B、 The flashback drop feature can recover only the table structure
    • C、 Only the related indexes are dropped whereas views are invalidated
    • D、 The flashback drop feature can recover both the table structure and its data

    正确答案:C,D

  • 第7题：

    单选题
    Which component of VPN technology ensures that data can be read only by its intended recipient?（）
    A

    data integrity

    B

    encryption

    C

    key exchange

    D

    authentication


    正确答案： D
    解析： 暂无解析

  • 第8题：

    多选题
    Which two statements correctly describe the relation between a data file and the logical databasestructures（）
    A

    An extent cannot spread across data files.

    B

    A segment cannot spread across data files.

    C

    A data file can belong to only one tablespace.

    D

    A data file can have only one segment created in it.

    E

    A data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.


    正确答案： D,E
    解析： 暂无解析

  • 第9题：

    单选题
    Which technology is best suited for the most scalable means to separate the data plane for aLayers VPN？（）
    A

     GRE

    B

     802 1Q

    C

     MPLS

    D

     L2TPv3


    正确答案： D
    解析： 暂无解析

  • 第10题：

    多选题
    Examine the following command that is used to duplicate a database on the same host：   RMAN> RUN {  ALLOCATE AUXILIARY CHANNEL， aux 1 DEVICE TYPE DISK； DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY； / } Which two statements describe the effect after the database is duplicated successfully？（）
    A

    The data files of the read-only tablespaces in the target database are not duplicated

    B

    The read-only tablespaces in the target database are still defined in new the database

    C

    The read-only tablespaces in the target database are changed to online after duplication

    D

    The data files of the read-only tablespaces in the target database get duplicated

    E

    The read-only tablespaces in the target database are not defined in the new database


    正确答案： E,D
    解析： 暂无解析

  • 第11题：

    多选题
    Which three operations require undo data（）
    A

    committing a transaction

    B

    flashing back a transaction

    C

    recovering a failed transaction

    D

    running a read-consistent query

    E

    changing a tablespace status from READ ONLY to READ WRITE


    正确答案： C,E
    解析： 暂无解析

  • 第12题：

    多选题
    You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file, if it has already been backed up.（） (Choose two.)
    A

    The data file backup is done with multiple channels

    B

    The data files is in the read-write mode after being backed up in the read only mode

    C

    The backup was taken after the data files was taken offline-normal or is in the read only mode

    D

    The data file backup complies with the back retention policy and the backup duplexing feature


    正确答案： C,D
    解析： 暂无解析

  • 第13题：

    Which component of VPN technology ensures that data can be read only by its intended recipient?（）

    • A、data integrity
    • B、encryption
    • C、key exchange
    • D、authentication

    正确答案:D

  • 第14题：

    Which technology is best suited for the most scalable means to separate the data plane for aLayers VPN？（）

    • A、 GRE
    • B、 802 1Q
    • C、 MPLS
    • D、 L2TPv3

    正确答案:B

  • 第15题：

    Which three security concerns can be addressed by a tunnel mode IPsec VPN secured by ESP？（）

    • A、data integrity
    • B、data confidentiality
    • C、data authentication
    • D、outer IP header confidentiality
    • E、outer IP header authentication

    正确答案:A,B,C

  • 第16题：

    Which two statements are true about simple views？（）

    • A、Views can be created as read only.
    • B、Views are data segments like tables.
    • C、Views can be created on the basis of more than one table.
    • D、Data manipulation language （DML） operations cannot be performed on views.

    正确答案:A,C

  • 第17题：

    Which three operations require undo data（）

    • A、committing a transaction
    • B、flashing back a transaction
    • C、recovering a failed transaction
    • D、running a read-consistent query
    • E、changing a tablespace status from READ ONLY to READ WRITE

    正确答案:B,C,D

  • 第18题：

    Which files must be synchronized in order for a database to start？（）

    • A、temp files
    • B、online data files
    • C、offline data files
    • D、read only data files

    正确答案:B

  • 第19题：

    多选题
    You work as a database administrator for Certkiller .com. You are using Recovery Manager （RMAN） to perform backups in your databases.  Which four backup operations can be performed using RMAN？（）
    A

    A backup of the target database when it is mounted

    B

    A backup of online redo log files when the database is open

    C

    A backup of only used data blocks in the file beingbeingbackup up

    D

    A backup of online， read/write data files when the database is open

    E

    A backup of only those data blocks that have changed since a previous backup

    F

    A backup of online， read/write data files when the database is in the NOMOUNT state.


    正确答案： A,C,D,E
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements are true about simple views？（）
    A

    Views can be created as read only.

    B

    Views are data segments like tables.

    C

    Views can be created on the basis of more than one table.

    D

    Data manipulation language （DML） operations cannot be performed on views.


    正确答案： A,C
    解析： 暂无解析

  • 第21题：

    单选题
    Which component of VPN technology ensures that data can be read only by its intended recipient?（）
    A

    dataintegrity

    B

    encryption

    C

    keyexchange

    D

    authentication


    正确答案： A
    解析： 暂无解析

  • 第22题：

    多选题
    You have enabled backup optimization for the RMAN environment.Identify two criteria on which RMAN will skip the file, if it has already been backed up.（）
    A

    The data file backup is done with multiple channels

    B

    The data files is in the read-write mode after being backed up in the read only mode

    C

    The backup was taken after the data files was taken offline-normal or is in the read only mode

    D

    The data file backup complies with the back retention policy and the backup duplexing feature


    正确答案： D,A
    解析： 暂无解析

  • 第23题：

    多选题
    Which operations require undo data（）
    A

    Committing a transaction

    B

    Flashing back a transaction

    C

    Recovering a failed transaction

    D

    Running a read-consistent query

    E

    Changing a tablespace status from READ ONLY to READ WRITE


    正确答案： D,A
    解析： 暂无解析

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