Tick (✓) the Appropriate Answer

1.A distributed database system allows applications to access data from

  1. local databases.

  2. remote databases.

  3. both local and remote databases

  4. None of these.

2.In homogeneous DDBS,

  1. there are several sites, each running their own applications on the same DBMS software.

  2. all sites have identical DBMS software.

  3. all users (or clients) use identical software

  4. All of these.

3.In heterogeneous DDBS,

  1. different sites run under the control of different DBMSs, essentially autonomously.

  2. different sites are connected somehow to enable access to data from multiple sites.

  3. different sites may use different schemas, and different DBMS software.

  4. All of these.

4.The main components of the client/server architecture is

  1. communication networks.

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