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IBM C2090-548 : IBM Certified Database Administrator - IBM IMS

C2090-548

Exam Code: C2090-548

Exam Name: IBM Certified Database Administrator - IBM IMS

Updated: Sep 03, 2026

Q & A: 85 Questions and Answers

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IBM C2090-548 Exam Syllabus Topics:

SectionObjectives
Topic 1: IMS Environment and Architecture- IMS system components and structure
  • 1. IMS DB/DC architecture overview
    • 2. Control regions and address spaces
      - IMS data organization concepts
      • 1. Hierarchical database model fundamentals
        • 2. Database record and segment structure
          Topic 2: Security and Access Control- Access control mechanisms
          • 1. Authorization and authentication concepts
            • 2. IMS security architecture
              Topic 3: Performance and Tuning- Performance monitoring
              • 1. IMS performance analysis tools
                • 2. Bottleneck identification
                  - Optimization techniques
                  • 1. Database access optimization strategies
                    • 2. Buffer tuning and storage optimization
                      Topic 4: Database Definition and Management- Database maintenance
                      • 1. Data integrity management
                        • 2. Database allocation and reorganization
                          - Database design and DBD/PSB concepts
                          • 1. Database Definition (DBD) creation and usage
                            • 2. Program Specification Block (PSB) usage
                              Topic 5: Database Recovery and Availability- High availability concepts
                              • 1. Database recovery utilities
                                • 2. Failover and restart procedures
                                  - Recovery mechanisms
                                  • 1. Image copy and change accumulation
                                    • 2. Log-based recovery concepts

                                      IBM Certified Database Administrator - IBM IMS Sample Questions:

                                      Question 1

                                      Which one of the following options is CORRECT about Temporal Tables?

                                      A. Temporal tables are used to model data in the past, present, and future.
                                      B. Temporal tables are complex to maintain and require major application changes.
                                      C. Temporal tables are used to model data in the past and present. They cannot be used to model data in the future.
                                      D. Temporal tables require constant changes to the operating system timestamp in order to navigate through time in the database.


                                      Question 2

                                      What is the LOAD authority in DB2?

                                      A. LOAD authority is at the database level. When combined with the INSERT privilege on a table,it allows the user to load data into that table.
                                      B. LOAD authority does not exist in DB2.
                                      C. LOAD authority is a permission granted to a database table that allows the table the accessesrights to load a backup database.
                                      D. LOAD authority in DB2 is the main DBA in your organization that allows for a database to beloaded.


                                      Question 3

                                      What is the purpose of the TRANSFER OWNERSHIP SQL statement in DB2?

                                      A. This statement allows you to transfer DB2 licenses to another company.
                                      B. This statement does not exist in DB2.
                                      C. This statement provides the capability to change the ownership of a database object.
                                      D. This statement allows for another DB2 table to wn the data that exists in a column in anothertable.


                                      Question 4

                                      With respect to DB2 security, what is authorization?

                                      A. Authorization is a process that checks whether you have sufficient privileges to perform the desired database operation.
                                      B. Authorization is the process where the DB2 database checks with Windows security to see if you have access to the DB2 database.
                                      C. Authorization is a process that validates that you are who you claim to be by verifying your user ID and password.
                                      D. Authorization is the process where the DBA gathers information to see who will have access to the database.


                                      Question 5

                                      Which of the following options is TRUE about the Row and Column Access Control (RCAC) feature?

                                      A. Row and column level access control allows the creation of column masks that can control what column values a user is permitted to see.
                                      B. Users with DATAACCESS authority are exempt from the Row and Column Access Control rules.
                                      C. Table data is protected against direct access to the table. Access using views is unrestricted.
                                      D. In order to take advantage of this feature, applications must be changed to work with the RCAC feature.


                                      Solutions:

                                      Question 1
                                      Answer: A
                                      Question 2
                                      Answer: A
                                      Question 3
                                      Answer: C
                                      Question 4
                                      Answer: A
                                      Question 5
                                      Answer: A

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