HTTP includes ____ predefined actions that can be performed on a resource during the request or a response from a server.

A. two
B. four
C. six
D. eight


Answer: D

Computer Science & Information Technology

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MC Typically, the most difficult part of solving a problem on a computer is ______.

a) deciding what problem needs to be solved. b) developing the algorithm for the solution. c) producing a Python program from the algorithm. d) None of the above.

Computer Science & Information Technology

The second step of the sharp checkpoint recovery procedure is as follows: The log is scanned forward from the checkpoint. The after-images in all update records are used to update the corresponding items in the database. Assuming a locking concurrency control in which locks are held until commit time, show that the updates can be performed in either of the following orders:

a. As each update record is encountered in the forward scan, the corresponding database update is performed (even though the update records for different transactions are interleaved in the log). b. During the forward scan, the update records for each transaction are saved in volatile memory, and the database updates for each transaction are all done at once when the commit record for that transaction is encountered during the forward scan.

Computer Science & Information Technology

Draft is an example of a text watermark

Indicate whether the statement is true or false

Computer Science & Information Technology

Typically, you would filter your Outlook Contacts list before sending a merged e-mail

Indicate whether the statement is true or false

Computer Science & Information Technology