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When referring to the data structures of a packet, what is the proper term to refer to a single unit of TCP data at the transport layer?当提及一个数据包结构时，以下哪项可以表示一个TCP包在传输层的单个数据单元？（）
- A、TCP segment.TCP段
- B、TCP packet.TCP包
- C、TCP frame.TCP帧
- D、TCP datagram.TCP报文
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更多 “When referring to the data structures of a packet, what is the proper term to refer to a single unit of TCP data at the transport layer?当提及一个数据包结构时，以下哪项可以表示一个TCP包在传输层的单个数据单元？（）A、TCP segment.TCP段B、TCP packet.TCP包C、TCP frame.TCP帧D、TCP datagram.TCP报文” 相关考题
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Which two requirements would lead towards a high availability solution?（）A、When uptime is criticalB、When data must be refactoredC、When application concurrency is staticD、When data loss is unacceptableE、When application is a single point of failure
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单选题Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of the DATA1 tablespace. You place the DATA1 tablespace in backup mode by issuing the following statement： ALTER TABLESPACE data1 BEGIN BACKUP； While you are performing the backup， an error occurs that causes the instance to terminate abnormally. Which statement about the DATA1 tablespace is true？（）A
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If you restart the database，the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.C
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单选题When using the term limber system one is referring to a（）.A
Cleaning systemB
Drainage systemC
Strengthening systemD
Weight reduction system
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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？（）AA backup of the target database when it is mountedBA backup of online redo log files when the database is openCA backup of only used data blocks in the file beingbeingbackup upDA backup of online， read/write data files when the database is openEA backup of only those data blocks that have changed since a previous backupFA backup of online， read/write data files when the database is in the NOMOUNT state.
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单选题Which of the following is the MOST important consideration when implementing a data retentio program？（）A
The data destruction requirementsB
The user awareness training programC
The laws and legal requirements of the dataD
The companys individual data retention policies
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单选题ENCRYPT_TS is an encrypted tablespace that contains tables with data. Which statement is true regarding the effect of queries and data manipulation language (DML) statements on the encrypted data in the tables?（）A
The data is decrypted during SORT and JOIN operations.B
The data remains encrypted when it is read into memory.C
The data remains encrypted when it is stored in the redo logs.D
The data remains encrypted in the UNDO tablespace provided that the UNDO tablespace was created with the encryption option enabled.
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单选题When referring to dry bulk cargoes，the term “flow state”（）.A
designates the state of a commodity when the ship is heeled past the angle of reposeB
relates to the suitability of loading a cargo by flowing down inclined chutesC
refers to the saturation of a dry bulk product with water to the point where it acts as a liquidD
relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30°
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