Free C2090-619: IBM Informix 12.10 System Administrator Exam Questions and Answers
IBM Informix 12.10 System Administrator is exam C2090-619, part of the IBM Professional Certification Program. IBM exams you book carry a C1000- code, with S2000- used for specialty credentials, and the three digits are a sequential counter across the whole portfolio rather than a product family — a higher number simply means newer. C2090- and C2010- are the legacy series and are all but extinct.
Candidates comparing C2090-619 exam dumps, ExamTopics and other C2090-619 practice tests use this page for the answers and explanations behind each question. Download the free C2090-619 PDF, then sit the timed C2090-619 exam simulation before booking with IBM.
Last updated: October 9, 2026
- Exam code
- C2090-619
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- IBM
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Question #1
Which ONCONFIG parameter would you use to disable the automatic creation or extension of chunks?
Correct answer: C
Explanation
SP_AUTOEXPAND controls automatic expansion of chunks and creation of new chunks from the storage pool; setting it to 0 disables that behavior.
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Question #2
When free memory is limited, which configuration parameter should be set to allow critical database activities to complete successfully?
Correct answer: C
Explanation
LOW_MEMORY_RESERVE sets aside a block of memory that the server uses only for critical activities, so those can still complete when free memory is exhausted.
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Question #3
When you take a level 2 backup, what data is backed up?
Correct answer: A
Explanation
Informix incremental backups are hierarchical: a level 2 backup captures everything changed since the most recent level 1 backup, while a level 1 captures changes since the level 0.
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Question #4
Which two tasks can be performed through an Informix Grid? (Choose two.)
Select 2 answers.
Correct answer: C, D
Explanation
A grid propagates administrative work across its member servers, including copying external files to grid servers and automatically defining the replicates needed for replication; it does not install products or start servers.
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Question #5
Which is NOT a component of the IBM Mobile Database offering?
Correct answer: D
Explanation
The IBM Mobile Database offering bundles the embedded solidDB engine with Informix and DB2 as enterprise back ends; InfoSphere Warehouse is a separate data warehousing product and is not part of it.
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Question #6
What is the purpose of the GRANT ADMIN privilege?
Correct answer: D
Explanation
Membership in the built-in GRANT ADMIN role lets a user execute the SQL administration API functions (admin() and task()) in the sysadmin database; it does not itself confer DBSA status.
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Question #7
Which statement is true about restartable restore?
Correct answer: B
Explanation
Restartable restore is an ON-Bar feature: a physical restore that fails partway can be resumed with onbar -RESTART instead of starting over. ontape does not support it.
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Question #8
In an organization, all employees are authenticated via domain wide Kerberos single sign- on. The DBSA wants to provide access to the database server for an employee without requesting the Operating System (OS) administrator to create a OS level user account. Which Informix feature does the DBSA need to leverage?
Correct answer: A
Explanation
Mapped users let Informix authenticate and authorize users that have no operating system account by storing their properties in the surrogate user mapping tables, which fits a Kerberos single sign-on environment.
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Question #9
Which option is available through ifx_grid_connect()?
Correct answer: D
Explanation
ifx_grid_connect() accepts an argument that defers propagation of the DDL statements, so they are queued and applied to the other grid servers later rather than immediately.
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Question #10
What are two requirements for the "ifxclone" utility? (Choose two.)
Select 2 answers.
Correct answer: C, D
Explanation
ifxclone requires a trusted connection between source and target servers, and only one clone operation can run at a time; the source is normally the primary, and disk space types need not match.
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FAQ
Learn More: https://www.ibm.com/training/credentials
- Q1: What is the C2090-619: IBM Informix 12.10 System Administrator exam?
- A: C2090-619: IBM Informix 12.10 System Administrator is a IBM certification exam. Judging by the questions in our bank, it concentrates on informix, table, parameter, onmode and memory.
- Q2: What topics does the C2090-619: IBM Informix 12.10 System Administrator exam cover?
- A: Questions in our C2090-619: IBM Informix 12.10 System Administrator bank cluster around informix, table, parameter, onmode, memory, parameters, utility and catalog. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for C2090-619: IBM Informix 12.10 System Administrator?
- A: Work through the C2090-619: IBM Informix 12.10 System Administrator practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real C2090-619: IBM Informix 12.10 System Administrator exam questions?
- A: They are drawn from officially released past questions and from community members who have sat C2090-619: IBM Informix 12.10 System Administrator. Answers are verified and updated weekly.
- Q5: Where do I register for the C2090-619: IBM Informix 12.10 System Administrator exam?
- A: Register through IBM directly. Exampractice is not affiliated with IBM and does not administer the exam.
- Q6: Is there a free C2090-619: IBM Informix 12.10 System Administrator sample?
- A: Yes. Every C2090-619: IBM Informix 12.10 System Administrator page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
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- A: Benefits include recognition as a certified IBM professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest IBM technologies and best practices.
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- A: IT professionals, system administrators, data analysts, cybersecurity experts, developers, and anyone involved in managing and implementing IBM solutions should consider these certifications to validate their expertise and advance their careers.
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