Questions

Selects from among the processes in memory that are ready to execute, and allocates the CPU to one of them. CPU scheduling decisions may take place when a process: 1.Switches from running to waiting state. 2.Switches from running to ready state. 3.Switches from waiting to ready. 4.Terminates. Scheduling under 1 and 4 is non-preemptive. All other scheduling is preemptive.

Chinua Achebe.

Log shipping defines the process for automatically taking backup of the database and transaction files on a SQL Server and then restoring them on a standby/backup server. This keeps the two SQL Server instances in sync with each other. In case production server fails, users simply need to be pointed to the standby/backup server. Log shipping primarily consists of 3 operations:

Backup transaction logs of the Production server.

Copy these logs on the standby/backup server.

Restore the log on standby/backup server.

It is a host that has a multiple network interfaces and that requires multiple IP addresses is called as a Multi-homed Host

One atomic mass unit (AMU) is equal to the one-twelfth the mass of one carbon-12 atom.

• Program execution


• I/O operations


• File system manipulation


• Communication


• Error detection


• Resource allocation


• Accounting


• Protection