Distributed Databases Replication should be used when which of the following exist? When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. When using many nodes with different operating systems and DBMSs and database designs. All of these The application's data can be somewhat out-of-date. When transmission speeds and capacity in a network prohibit frequent refreshing of large tables. When using many nodes with different operating systems and DBMSs and database designs. All of these The application's data can be somewhat out-of-date. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A distributed database is which of the following? A loose collection of file that is spread to multiple locations and is interconnected by a network A loose collection of file that is limited to one location. A single logical database that is limited to one location. A single logical database that is spread to multiple locations and is interconnected by a network A loose collection of file that is spread to multiple locations and is interconnected by a network A loose collection of file that is limited to one location. A single logical database that is limited to one location. A single logical database that is spread to multiple locations and is interconnected by a network 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 A distributed database can use which of the following strategies? Partially or totally replicated across sites All of these Totally centralized at one location and accessed by many sites Partitioned into segments at different sites Partially or totally replicated across sites All of these Totally centralized at one location and accessed by many sites Partitioned into segments at different sites ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Which of the following is not one of the stages in the evolution of distributed DBMS? Distributed unit of Work Distributed request Remote unit of work Unit of work Distributed unit of Work Distributed request Remote unit of work Unit of work ANSWER DOWNLOAD EXAMIANS APP
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