Real IBM C2090-461 practice exam questions for easy pass!
Last Updated: Aug 21, 2026
No. of Questions: 34 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Archive, Extract and Load Operations | 20% | - File Management and Maintenance - Extract, Convert and Load Processes - Archive and Application Retirement |
| Topic 2: Data Privacy and Masking | 15% | - Data Masking Concepts and Providers - Masking on Demand and Sensitive Data Protection |
| Topic 3: Advanced Features and Tools | 12% | - Service on Demand and LUA - Optim Manager and Optim Search |
| Topic 4: Installation and Configuration | 25% | - Optim Architecture and Components - Supported Operating Systems and Databases - Installation Procedures and Pre-requisites - Configuration and Initialization - Optim Directory Setup and Security |
| Topic 5: Performance Tuning and Troubleshooting | 8% | - Common Issues and Resolutions - Performance Optimization - Log and Trace File Analysis |
| Topic 6: Data Access and Relationship Management | 20% | - Creating Relationships, Aliases and Data Sources - Defining Access Definitions and Table Maps - Column Maps and Transformations |
1. Which two statements about Optim Relationships are true?
A) Expressions can include string literals, numeric constants. NULL, concatenation, and substrings.
B) Corresponding columns need not be identical, but must be compatible.
C) At least one of a pair of corresponding columns must be specified by column name without any expression.
D) Can use an expression to evaluate or define the value for one of the two columns.
E) Corresponding columns must adhere to the specific column names.
2. You are architecting an Optim solution with the following data sources and their locations, Oracle on Linux, DB2/z on the mainframe, Teradata and Netezza.
What middleware is required for Optim to access all of the data sources?
A) Optim connecting to IBM Federation Server with Classic Federation or Optim Connect or the mainframe.
B) DB2 Connect and either DB2 Federation Server on LUW or Optim Connect on LUW.
C) Optim connecting to Oracle DG40DBC with Optim Connect on the mainframe.
D) DB2 Connect on LUW Only.
3. In order to consistently mask a credit card number, which option should be used?
A) SUBSTR(CREDITCARD. 1. 12) || SEQ(1111.1)
B) TRANS CCN ('=n CREDITCARD')
C) TRANS CCN
D) There is no reason to mask the credit card number as long as you mask the name.
4. Optim Designer should be used for all of which processes?
A) Defining DBAIiases. Optim Data Sources and ODM Collections.
B) Testing Optim Archive Access Definitions. Services and ODM Collections
C) Viewing zOS job output, masking policies and relationship definitions.
D) Creating and testing TDM Access Definitions. Column Maps and Convert Services.
Solutions:
| Question # 1 Answer: C,D | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: D |
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