Answer:
All of the above.
Explanation:
Thrashing or drive or disk thrashing occurs when the hard drive is stressed with transferring information between the system memory and virtual machine excessively. In thrashing, there is a large number of processes running in the system and the system memory is too small to handle all processes. Thrashing leads to decreased system performance and hard disk failure.
To stop the impact of thrashing, install more RAM, end unimportant progam processes etc.
Answer:
Follows are the matching to this question:
Explanation:
While time-consuming or prone to errors mechanical adjustments to both the referential, databases could be configured with four measures to engine violations. The restricted action causes the insert, update, and removes to only be denied. Set Null to NULL sets the invalid external key, whereas Set Default to a specific core consideration specified in SQL sets a default foreign key. Its Cascade operation spreads the main changes in external keys.
To present something infront of a crowd
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.
