Distributed Databases Replication may use either synchronous or asynchronous distributed database technologies, although asynchronous technologies are more typical in a replicated environment. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases An increasingly popular option for data distribution as well as for fault tolerance of any database is to store a separate copy of the database at each of two or more sites. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Each site (or node) in a distributed system is subject to the same types of failure as in a centralized system. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases The problem of concurrency control is more complex in a distributed database. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases An autonomous homogenous environment is which of the following? A different DBMS is at each node and each DBMS works independently. A different DBMS is at each node and a central DBMS coordinates database access. The same DBMS is at each node and a central DBMS coordinates database access. The same DBMS is at each node and each DBMS works independently. A different DBMS is at each node and each DBMS works independently. A different DBMS is at each node and a central DBMS coordinates database access. The same DBMS is at each node and a central DBMS coordinates database access. The same DBMS is at each node and each DBMS works independently. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Storing a separate copy of the database at multiple locations is which of the following? Horizontal Partitioning Data Replication Horizontal and Vertical Partitioning Vertical Partitioning Horizontal Partitioning Data Replication Horizontal and Vertical Partitioning Vertical Partitioning ANSWER DOWNLOAD EXAMIANS APP