Which type of security device can speed up Web page retrieval and shield hosts on the internal network?
A. caching firewall
B. proxy server
C. caching-only DNS server
D. DMZ intermediary
Answer: B
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If you want to create a multi-page document that does not require facing pages, such as flash cards, click the ____ check box to remove the check mark.
A. Double Pages B. Facing Pages C. Pages Layout D. Show Pages
With TCP/IP a router can have more than one route to a destination, and therefore consults its routing table before selecting the _______________ route for a packet to take to its destination.
Fill in the blank(s) with the appropriate word(s).
The ________ system coordinates computer resources, provides the user interface, and runs applications.
A. device B. translator C. sector D. operating
In a transaction-processing system (TPS), if the TPS database can be queried and updated while the transaction is taking place, this is called ________ processing.
A. direct B. batch C. real-time D. immediate