Answer:
The Network Processor is responsible for handling the communication between the various components of the distributed database. It sends and receives data between the remote and local data processors.
The Remote Data Processor is a computer system that stores and manages data at a remote location. It is responsible for storing and retrieving data from the database as well as performing other tasks such as data backup and recovery.
The Data Dictionary is a central repository of information about the data in the distributed database. It stores metadata about the data, such as its structure, relationships, and dependencies.
The Local Data Processor is a computer system that stores and manages data at a local location. It is responsible for storing and retrieving data from the database as well as performing tasks such as data backup and recovery. It communicates with the Remote Data Processor through the Network Processor.