Answer:
mark me brai list i request u
The default value at which a refresh interval (an interval a sec. server check for zone updates) is 15 minutes.
If this value is increased, the network traffic is reduced. In the eventuality that the refresh interval expires, the secondary zone will contact the primary zone and request it to initiate the zone transfer.
Answer:
you cannot obtain a new copy of the keys that you have stored on Hardware Security Module, because they are lost forever and a new copy cannot be obtained if a copy is not kept somewhere.
Explanation:
Hardware Security Module (CloudHSM) is a cloud-based hardware security module (HSM) that provides the user the opportunity to create and utilize your own encryption keys on the AWS Cloud. It is a fully managed service that takes care of time-consuming administrative activities such as software patching, backups, hardware provisioning, and high-availability for the user.
One of the key elements of the Hardware Security Module (CloudHSM) is that a copy of the keys stored must be kept somewhere because if keys are lost, they are lost forever and a new copy cannot be obtained if a copy is not kept.
Therefore, you cannot obtain a new copy of the keys that you have stored on Hardware Security Module, because they are lost forever and a new copy cannot be obtained if a copy is not kept somewhere.
Answer: c) Return on investment (ROI)
Explanation:
Return on investment (ROI) is defined as term that measures the performance of single investment efficiency or numerous investment plans. It evaluates and assess plan of investment in form of ratio or percentage.
- Return of investment(ROI) plan is calculated through dividing the return of investment by investment cost.
- Other options are incorrect because cash return on capital invested ,carried forward(CF) and BI (business intelligence) are not used for calculating the investment plan through cost and benefit.Thus, the correct option is option(c)
