Options: Forwards a packet to all outgoing links
B. Forwards a packet to the next free outgoing link
C. Determines on which outing link a packet is to be forwarded
D. Forwards a packet to all outgoing links except the originated link
Which of the following is a disadvantage of replication?
Options: Reduced network traffic, If the database fails at one site, a copy can be located at another site., Each site must have the same storage capacity., Each transaction may proceed without coordination across the network.
Options: A) Mechanical analog computers have existed for thousands of years
B) There are mechanical analog computers and electronic analog computers.
C) All electronic computers are digital computers
D) All of above are false
Performance analysis and tuning is which of the following?
Options: Undertaken one time at the time of a DBMS installation, Undertaken one time at the time of the implementation of a new application, Undertaken as an ongoing part of the backup of a database, Undertaken as an ongoing part of managing a database
Options: A) Computers are 100% accurate but it can suffer from GIGO
B) Computers are reliable because they use electronic component which have very low failure rate
C) Computer is never tired and does not suffer from boredom
D) All of above