IBM A2090-919 : Assessment: System Administrator for Informix Server 11.70

Exam Code: A2090-919

Exam Name: Assessment: System Administrator for Informix Server 11.70

Updated: Sep 01, 2025

Q & A: 123 Questions and Answers

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IBM C2090-919 Exam Syllabus Topics:

Topic	Details	Weights
Installation and Configuration	-Determine appropriate connection types and communication protocols -Plan for Distributed System capabilities -Determine the number and size and placement of logical and physical logs to accommodate transaction activity -Determine when an instance can/should use AIO or KAIO -Set up Operating System files and parameters -Deployment assistant/ Deployment utility -Knowledge of migration and upgrading -Knowledge of installation order for multiple products -Prepare and use of user defined types	12.5%
Backup and Restore	-Select the appropriate backup and restore strategy and restore utilities for a particular situation -Configure Onbar parameters for optimal backup and restore performance -Configure ontape parameters for optimal backup and restore performance -Use of operation modes	8%
Space Management	-Configure and manage dbspaces and sbspaces -Knowledge of OLTR -Knowledge of storage pool mgmt -Knowledge of extendable chunks -Knowledge of pro-active/reactive space allocation -Knowledge of fragmentation and database design (online attach/detach) -Knowledge of compression	19%
Warehousing	-Knowledge of Multi-index Star Join, Snow Flake support -Knowledge of Fragmentation -Knowledge of merge and external tables	8%
Security	-Knowledge of Non OS users -Knowledge of SRL auditing / auditing -Knowledge of trusted context -Knowledge of authentication, authorization, and encryption -Knowledge of privileges -Demonstrate ability to configure a secure DBMS - Role separation	12.5%
Replication and High Availability	-Demonstrate the ability to manage and configure ER -Demonstrate the ability to manage and configure GRID -Demonstrate the ability to manage and configure Mach 11 and HDR -Demonstrate knowledge of Connection Manager	10%
Performance Tuning	-Configure online shared memory parameters -Determine optimal disk layout and configuration -Utilize Parallel Database Query (PDQ) to optimize query performance -Use UPDATE STATISTICS to achieve optimal performance -Configure system for optimal checkpoint duration, recovery logs, auto checkpoints -Monitor the number of Virtual Processors (VPs) needed for the resources available -Manage network parameters for optimal communication performance -Knowledge of DSS vs OLTP tuning differences -Manage temporary tables and files	16%
System Activity Monitoring and Troubleshooting	-Monitor and isolate problems using system databases -Monitor the message log file for abnormal activity -Use the Informix utilities to view information about the database server -Use the admin API to view information about the database server -Use of concurrency and locking	14%

IBM Informix System Administrator Exam Certification Details:

Passing Score	60%
Schedule Exam	Pearson VUE
Exam Code	C2090-919
Exam Price	$200 (USD)
Sample Questions	IBM Informix System Administrator Sample Questions
Number of Questions	63
Duration	90 mins
Exam Name	IBM Certified System Administrator - Informix 11.70

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