If your database is in archivelog mode, how can you force an archive?
a. issue an alter database switch logfile command.
b. issue an alter system switch logfile command.
c. issue an alter system log_archive_start command.
d. there is no command to force an archive; they happen automatically.

If you turn on the lock alpha button , what happens

Corey set up his presentation for delivery to his team.the information he had to convey was critical to their job performance.he knew he would need a lot of time to explain each point

The open systems interconnection (osi) reference model: defines standards for many aspects of computing and communications within a network. is a generic description for how computers use multiple layers of protocol rules to communicate across a network. defines standards for wireless local area network (wlan) communication protocols. details the advantages and disadvantages of various basic network cabling options.