5
Check the following statements
a. Data Communication manager is a part of DBMS.
b. Data Communication manager is an autonomous system in its own right
Choose the correct option
EXPLANATION
Relational Model
- Data Communication Manager Architecture:
- Data Communication (DC) Manager (or Teleprocessing monitor) manages data transmission and remote terminal communication across a network.
- Statement a: Data Communication manager is a part of DBMS. $\implies$ Incorrect.
- The DC Manager is an independent communications software layer separate from the core Database Management System (DBMS).
- Statement b: Data Communication manager is an autonomous system in its own right. $\implies$ Correct.
- It operates as an autonomous system that interfaces with user terminals, network protocols, and queues transaction requests for the DBMS.
- Conclusion: Only b is correct (Option 2).
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