对微机工作影响最小的因素是（)A．湿度B．噪声C．磁场D．温度

A. The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabled

B. Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed up

C. Backup optimization is permanently disabled

D. Backup optimization is temporarily disabled because a redundancy-based retention policy is specified

(b) Discuss the key issues which the statement of cash flows highlights regarding the cash flow of the company.

(10 marks)

Which of the following statement(s) is/are TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels？

A.It is imperative that the securing of cargo on flats and trailers and in containers be adequate for both road and sea motions

B.The movements experienced by road borne cargo differ significantly from the roll and sway movements of a ship at sea

C.It is necessary for adequate number and strength of securing points on the vehicles themselves in order that lashings may be properly and safely utilized

D.All the above

A. NAT is not supported on SRX Series devices.

B. NAT requires special hardware on SRX Series devices.

C. NAT is processed in the control plane.

D. NAT is processed in the data plane.

A. Only data files and the control file are backed up.

B. Archived redo logs are backed up only I f the database is open during the backup.

C. The backup is deleted after one day, regardless of the default retention policy settings.

D. The backup becomes obsolete after one day, regardless of the default retention policy settings.