Distributed Databases
Location transparency allows for which of the following?

Managers to treat the data as if it is at one location
Programmers to treat the data as if it is at one location
Users to treat the data as if it is at one location
All of these

ANSWER DOWNLOAD EXAMIANS APP

Distributed Databases
Replication should be used when which of the following exist?

The application's data can be somewhat out-of-date.
All of these
When using many nodes with different operating systems and DBMSs and database designs.
When transmission speeds and capacity in a network prohibit frequent refreshing of large tables.

ANSWER DOWNLOAD EXAMIANS APP

Distributed Databases
An autonomous homogenous environment is which of the following?

The same DBMS is at each node and a central DBMS coordinates database access.
A different DBMS is at each node and each DBMS works independently.
The same DBMS is at each node and each DBMS works independently.
A different DBMS is at each node and a central DBMS coordinates database access.

ANSWER DOWNLOAD EXAMIANS APP

Distributed Databases
A heterogeneous distributed database is which of the following?

A different DBMS is used at each location and data are not distributed across all nodes.
The same DBMS is used at each location and data are distributed across all nodes.
The same DBMS is used at each location and data are not distributed across all nodes.
A different DBMS is used at each location and data are distributed across all nodes.

ANSWER DOWNLOAD EXAMIANS APP