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IBM C2090-548 Exam Overview:

Certification Vendor:IBM
Exam Name:IBM IMS Database Administrator (C2090-548)
Exam Number:C2090-548
Passing Score:Not publicly disclosed
Certificate Validity Period:Typically 3 years (IBM certifications may vary by program updates)
Exam Duration:Not publicly standardized (typically around 90 minutes)
Exam Format:Multiple choice, Scenario-based questions
Exam Price:Varies by region and delivery provider
Related Certifications:IBM Certified Application Developer - IMS
IBM Certified System Programmer - IMS
Real Exam Qty:Not publicly disclosed (varies by exam version)
Available Languages:English
Recommended Training:IBM IMS Training Courses
Exam Registration:IBM Certification Portal
Sample Questions:IBM C2090-548 Sample Questions
Exam Way:Online proctored or test center (varies by region and IBM testing partner)
Pre Condition:Recommended experience with IBM IMS database systems; prior IMS administration or development experience is strongly suggested but not strictly required
Official Syllabus URL:https://www.ibm.com/training/certification

IBM C2090-548 Exam Syllabus Topics:

SectionObjectives
Security and Access Control- Access control mechanisms
  • 1. IMS security architecture
    • 2. Authorization and authentication concepts
      IMS Environment and Architecture- IMS system components and structure
      • 1. Control regions and address spaces
        • 2. IMS DB/DC architecture overview
          - IMS data organization concepts
          • 1. Database record and segment structure
            • 2. Hierarchical database model fundamentals
              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
                      Database Recovery and Availability- Recovery mechanisms
                      • 1. Image copy and change accumulation
                        • 2. Log-based recovery concepts
                          - High availability concepts
                          • 1. Database recovery utilities
                            • 2. Failover and restart procedures
                              Database Definition and Management- Database design and DBD/PSB concepts
                              • 1. Database Definition (DBD) creation and usage
                                • 2. Program Specification Block (PSB) usage
                                  - Database maintenance
                                  • 1. Data integrity management
                                    • 2. Database allocation and reorganization

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


                                      Question 2

                                      What is the role of the XML data type in DB2?

                                      A. The XML data type allows you to link a reference to an XML document stored outside of thecolumns of a table.
                                      B. The XML data type does not exist.
                                      C. The XML data type allows a parser to use the metadata in a table to link to an external XMLdocument stored outside of the columns of a table.
                                      D. The XML data type allows you to store well-formed XML documents in their hierarchical formwithin the columns of a table.


                                      Question 3

                                      What is the purpose of the Self Tuning Memory Manager (STMM) in DB2?

                                      A. This feature reduces the task of configuring your DB2 server by continuously updating memory configuration parameters, resizing buffer pools, and dynamically determining the total amount of memory to be used by the database.
                                      B. This feature detects memory expansion in the database and delivers a warning to the DBA to let them know when the database is nearing a threshold memory allocation limit.
                                      C. STMM allows DBAs to inspect the current memory allocation by buffer pools.
                                      D. The purpose of this feature is for the system to deliver to you a report of database tuning recommendations so that you can update the configuration parameters by hand.


                                      Question 4

                                      What are private buffer pools are used for?

                                      A. KSDSs
                                      B. OSAM datasets
                                      C. HALDBs
                                      D. DEDBs


                                      Question 5

                                      What is DB2 Express-C?

                                      A. DB2 Express-C is a no-charge data server version of the DB2 Express edition for thecommunity.
                                      B. DB2 Express-C is latest version of DB2 Express, which follows the former versions DB2Express-A and DB2 Express-B.
                                      C. DB2 Express-C is not an existing product.
                                      D. DB2 Express-C is the command-line interface for the DB2 Express product.


                                      Solutions:

                                      Question 1
                                      Answer: B
                                      Question 2
                                      Answer: D
                                      Question 3
                                      Answer: A
                                      Question 4
                                      Answer: D
                                      Question 5
                                      Answer: A

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