Network model MCQs in DBMS

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 23, 2024

MCQs on Network Model in DBMS

1. Which of the following is true about the network database model?
   • A. It organizes data in a tree-like structure.
   • B. It allows multiple relationships between records.
   • C. It is based on a hierarchical structure.
   • D. It does not support many-to-many relationships.
   • Answer: B. It allows multiple relationships between records.
2. In the network database model, data is represented using which structure?
   • A. Tree
   • B. Graph
   • C. Table
   • D. Array
   • Answer: B. Graph
3. Which of the following statements is true about the network database model?
   • A. Each child can have only one parent.
   • B. Each record can have multiple parent and child records.
   • C. It is easy to implement one-to-many relationships.
   • D. It does not support parent-child relationships.
   • Answer: B. Each record can have multiple parent and child records.
4. Which language is commonly used to manipulate data in the network database model?
   • A. SQL
   • B. DML
   • C. COBOL
   • D. Navigational DML
   • Answer: D. Navigational DML
5. What is a major advantage of the network database model?
   • A. Simple structure and easy to understand.
   • B. Ability to handle many-to-many relationships efficiently.
   • C. No need for pointers to establish relationships.
   • D. It eliminates data redundancy.
   • Answer: B. Ability to handle many-to-many relationships efficiently.
6. In the network model, a relationship is called a:
   • A. Node
   • B. Link
   • C. Segment
   • D. Set
   • Answer: D. Set
7. Which of the following is a disadvantage of the network database model?
   • A. Complex to design and implement.
   • B. Inefficient for many-to-many relationships.
   • C. Does not support data integrity.
   • D. Limited query capabilities.
   • Answer: A. Complex to design and implement.
8. In the network database model, a record that does not point to any other record is called a:
   • A. Root
   • B. Leaf
   • C. Isolated node
   • D. Terminal node
   • Answer: B. Leaf
9. Which of the following DBMSs uses a network model?
   • A. Oracle
   • B. MySQL
   • C. Integrated Data Store (IDS)
   • D. PostgreSQL
   • Answer: C. Integrated Data Store (IDS)
10. What kind of relationship does the network database model support?
    • A. One-to-one
    • B. One-to-many
    • C. Many-to-many
    • D. Both B and C
    • Answer: D. Both B and C
11. In the network model, which of the following is used to represent a relationship between records?
    • A. Array
    • B. Matrix
    • C. Pointer
    • D. Tree
    • Answer: C. Pointer
12. Which of the following is NOT a characteristic of the network model?
    • A. It uses a graph structure.
    • B. It allows each child to have multiple parents.
    • C. It simplifies the representation of complex relationships.
    • D. It restricts each child to a single parent.
    • Answer: D. It restricts each child to a single parent.
13. The network model was standardized by which organization?
    • A. ISO
    • B. IEEE
    • C. CODASYL
    • D. ANSI
    • Answer: C. CODASYL
14. Which data structure is commonly associated with the network model?
    • A. Tree
    • B. Graph
    • C. Linked list
    • D. Array
    • Answer: B. Graph
15. In the network model, what term describes a collection of records and their relationships?
    • A. Schema
    • B. Subschema
    • C. Set type
    • D. Data type
    • Answer: C. Set type

 

More MCQs Of Database Systems

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