IBM C2090-312

The C2090-312 exam has a reputation for tripping up even experienced professionals. Dumpkiller breaks the IBM DB2 11 DBA for z/OS syllabus down into 67 practice questions with clear explanations, so tricky topics stop feeling intimidating.

IBM C2090-312 Exam Overview:

IBM C2090-312 Exam Syllabus Topics:

What Candidates Ask About the IBM C2090-312 Exam

Can you give me an overview of the C2090-312 exam?

The IBM DB2 11 DBA for z/OS exam (code: C2090-312) is the official IBM exam that leads to the IBM Certified Database Administrator - DB2 11 DBA for z/OS certification. It sits at the Professional level of the IBM certification track. It is also connected with related credentials such as IBM Certified Database Administrator - DB2 12 for z/OS (C1000-122). Passing it proves to employers that your skills have been validated by IBM itself, which is why the C2090-312 credential keeps showing up in job postings.

How many questions are in the C2090-312 exam, and how long does it take?

The IBM DB2 11 DBA for z/OS exam gives you 90 minutes to work through 67. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the Dumpkiller test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.

What score do I need to pass the C2090-312 exam, and how much does it cost?

The passing score for the IBM DB2 11 DBA for z/OS exam is 40 out of 67 (approx. 60%), and the official registration fee is $200 USD. Remember that a failed attempt means paying that fee in full again, so a timed self-assessment with Dumpkiller practice questions about a week before your exam date is a cheap way to confirm you are scoring comfortably above 40 out of 67 (approx. 60%).

Are there any prerequisites for the C2090-312 exam?

According to IBM, the following applies: No formal prerequisites; recommended experience with DB2 11 for z/OS administration. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://www.ibm.com/training/certification/ibm-certified-database-administrator-db2-11-dba-for-zos-08002305 before you register.

How do I register for the C2090-312 exam?

You can book your IBM DB2 11 DBA for z/OS exam through the official channels below:

• Pearson VUE Registration
• IBM Certification Page

Depending on availability in your region, the exam is delivered as Proctored at Pearson VUE test centers or online proctored.

What official training does IBM recommend for the C2090-312 exam?

IBM lists the following training options for IBM DB2 11 DBA for z/OS candidates:

• IBM Training - DB2 11 for z/OS Administration

Official courses build a solid foundation, and pairing them with the 67 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.

Can I try the C2090-312 practice questions before buying?

Yes. Dumpkiller offers a free C2090-312 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your IBM DB2 11 DBA for z/OS material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.

What happens if I do not pass the C2090-312 exam, and how is my order delivered?

If you take the corresponding C2090-312 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.

What topics are covered in the C2090-312 exam?

The official IBM DB2 11 DBA for z/OS syllabus is organized into 7 main domains. The first three are Operation and Recovery (22%), Performance (22%), and Database Design and Implementation (24%). For the full domain-by-domain breakdown, see the complete Exam Topics outline above.

IBM DB2 11 DBA for z/OS Sample Questions:

Question #1
Which two options can be specified in order to access a system-period temporal table for a specific point in time guaranteeing accurate results?

A. A period-specification placed in the WHERE clause of a subselect
B. A predicate against the start and end columns of the base table placed in the WHERE clause of a subselect.
C. A SELECT statement predicate against the transaction start ID of the base table.
D. A SET of the CURRENT TEMPORAL SYSTEM_TIME special register to a non-null value prior to a SELECT against the temporal table.
E. A period-specification placed in the FROM clause of a subselect.

Question #2
Arrays are based on a built-in data type. On which built-in data type can an array NOT be based?

A. CLOB
B. XML
C. VARBINARY
D. DBCLOB

Question #3
A hotel prices its rooms differently at different times of the year. For example, Room 101 rents for $100 per night January through March, $150 per night April through September, and $80 per night October through December.
Which type of table could be used to implement the time-based rate changes?

A. A system-period temporal table
B. A range-based temporal table
C. An application-period temporal table
D. A rate-period temporal table

Question #4
Which DB2-supplied stored procedure captures statistics and DDL for DB2 objects, extracts subsystem parameters and explain information for queries and applications, and returns the results in a data set or as a result set?

A. ADMIN_INFO_SYSPARM
B. ADMIN UPDATESYSPARM
C. ADMIN_JOB_QUERY
D. ADMIN_INFO_SQL

Question #5
When defining a check constraint on a populated table and the value of the special register CURRENT RULES is 'DB2'.
What is the result of executing the DDL statement?

A. It is checked against only all existing rows in the table.
B. It is rejected by the database system.
C. The table space is placed in CHKP status.
D. It is checked against only new rows as they are added to the table.

Solutions: