INFO3611
Coursework Exam
Answer ALL questions
Number your questions
Place your UWI ID number on each page
Time: 1 hour 50 minutes
--Question 1
a) What is an instance in the Oracle Database Architecture, and how is it created? (3 marks)
b) Explain the role of the System Global Area (SGA) and Program Global Area (PGA) in an
Oracle Database instance. (3 marks)
c) Describe the tasks performed by two of the following: PMON, SMON, DBWn, LGWR, and
CKPT background processes. (2 marks)
d) Why is the role of the LGWR (Log Writer) crucial for maintaining database integrity? (2
marks)
**[10 marks]**
Question 2
a) What is the purpose of Dynamic Performance Views (V$ views) in Oracle Database? (3
marks)
b) Provide examples of commonly used V$ views and their significance in monitoring
database performance. (2 marks)
c) How can administrators leverage V$ views for diagnosing performance issues? (3 marks)
d) Explain the limitations of using V$ views compared to other monitoring tools. (2 marks)
**[10 marks]**
Question 3
a) Walk through the steps involved in the connection process with Oracle Net Services. (3
marks)
b) Explain the role of the Oracle Listener during a client’s connection request. (3 marks)
c) Discuss the importance of secure configurations in Oracle Net Services. (2 marks)
d) How can regular monitoring contribute to the effective management of Oracle Net
Services? (2 marks)
**[10 marks]**
Question 4
a) What is a tablespace in Oracle Database, and what is its purpose? (3 marks)
b) Explain the significance of data files within a tablespace. (3 marks)
c) How can you use data dictionary views like DBA_TABLESPACES to monitor the space
usage of tablespaces in Oracle Database? (2 marks)
d) Discuss the considerations for maintaining optimal tablespace usage and performance. (2
marks)
**[10 marks]**
Question 5
a) What information is stored in control files, and why are they critical for database
operation? (3 marks)
b) Differentiate between Online Redo Logs and Archived Redo Logs, and explain their roles
in database recovery. (3 marks)
c) How do Online Redo Logs contribute to database recovery? (2 marks)
d) Explain the significance of redo log files in Oracle Database. (2 marks)
**[10 marks]**
--Total marks: 50
End of Exam