IBM C2090-318 : DB2 12 System Administrator for z/OS

C2090-318 real exams

Exam Code: C2090-318

Exam Name: DB2 12 System Administrator for z/OS

Updated: Oct 26, 2026

Q & A: 60 Questions and Answers

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IBM C2090-318 Exam Syllabus Topics:

SectionObjectives
Topic 1: Exam Domains- Database Objects and Utilities
- Monitoring and Problem Determination
- Distributed Data Facility (DDF)
- DB2 Architecture and Components
- Performance and Tuning
- Security and Authorization
- Installation and Migration

Answers to Common Questions About the IBM C2090-318 Exam

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The C2090-318 exam contains 60 questions and gives you 90 minutes to complete them. That works out to a brisk pace, so you cannot afford to stall on a single tricky item — flag it, move on, and circle back if time allows. Before exam day, run at least two timed mock sessions with the PassTorrent desktop or online test engine; practicing against a real clock turns the official time limit into a comfortable rhythm instead of a source of panic.

The C2090-318 exam (full name: DB2 12 System Administrator for z/OS) is a IBM certification exam that leads to the IBM Data and AI credential, positioned at the Professional level. It validates the skills IBM expects from professionals working with its technologies, and passing it is the key step toward getting certified. It also sits within a broader certification path that includes IBM Db2 12 for z/OS Administrator (C1000-078), DB2 11 Fundamentals for z/OS (C2090-320).

The IBM DB2 12 System Administrator for z/OS exam is organized into 1 domains. The main areas include Exam Domains. Scroll up to the exam syllabus section on this page for the complete topic-by-topic outline.

Recommended experience with DB2 for z/OS system administration and understanding of z/OS environment

Eligibility requirements can change, so before you register, confirm the latest criteria on the official IBM exam page.

To pass the C2090-318 exam you need a score of Not published officially, and the official registration fee is Not officially published (typically regional IBM exam fee). Keep in mind that a failed attempt comes at full price: retaking the exam means paying the entire fee again. A smart way to protect that investment is to self-test first — work through the 60 practice questions at PassTorrent until your timed scores sit comfortably above the passing line before you book a seat.

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IBM DB2 12 System Administrator for z/OS Sample Questions:

Question #1

Which of the following commands can be used to show the client correlation token in order to find details such as the ip-address. port-address and unique-id to identify the distributed transaction?

  • A. -DISPLAY FUNCTION SPECIFIC
  • B. -DISPLAY THREADH DETAIL
  • C. -DISPLAY DDF DETAIL
  • D. -DISPLAY LOCATION OB.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #2

Az/OS system has some storage constraints. The results of-DIS STATS(INDEXMEMORYUSAGE) shows that a huge amount of storage is used for the fast index traversal processes. What can be done to avoid this storage usage?

  • A. Set subsystem parameter INDEX_MEMORY_CONTROL to DISABLE
  • B. Reorganize the listed indexes
  • C. Issue SQL statement ALTER INDEX ixname REGENERATE USING APPLICATION
    COMPATIBILITY V12R1M500 for the listed indexes
  • D. Set subsystem parameter INDEX_CLEANUP_THREADS to 0
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #3

What action will enable most new functions in DB2 12?

  • A. Applying a specific PTF
  • B. Conversion of the BSDS to support 10-byte RBA/LRSN
  • C. Activation of function level 500 or higher
  • D. Enablement of a new subsystem parameter
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #4

In which phase of SMP/E processing is the DB2 software installed into the target libraries?

  • A. APPLY CHECK
  • B. APPLY
  • C. RECEIVE
  • D. ACCEPT
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for PassTorrent members. You can sign-up / login (it's free).

Question #5

DB2 just abended unexpectedly and needs to be restarted as quickly and consistently as possible. Which of the following restart method do you pick?

  • A. Create a conditional restart record using option ENDRBA and then restart DB2
  • B. Perform a cold start
  • C. Issue the-START DB2 command
  • D. Create a conditional restart record using option STARTRBA and then restart DB2.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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