C2090-614 DB2 10.1 Advanced DBA for Linux UNIX and Windows

Test information:
Number of questions: 54
Time allowed in minutes: 90
Required passing score: 60%
Languages: English, Japanese

An IBM Certified Advanced Database Administrator is the lead DBA for the DB2 products on one or more of the following platforms: Linux, UNIX (including AIX, HP-UX, and Sun Solaris), and Windows. This individual has extensive experience as a DBA and extensive knowledge of DB2 10.1. This person is capable of performing the advanced tasks such as performance, high availability, security and networking that are required.

Section 1 – Database Design (17%)
Ability to design, create and manage database storage paths
Ability to design, create and manage table spaces
Ability to design, create and manage buffer pools
Ability to design and configure a database for multi-temperature data
Ability to use Data Studio to manage database environments

Section 2 – Data Partioning and Clustering (20%)
Ability to design, create, and manage database partitioning (DPF)
Ability to design, create, and manage multi-dimensional clustered tables
Ability to design, create, and manage range partioning
Ability to design, create, and manage insert time clustering tables
Ability to design, create, and manage range clustering tables

Section 3 – High Availability and Diagnostics (24%)
Ability to manage database logs for recovery
Ability to use advanced backup features
Ability to use advanced recovery features
Knowledge of Work Load Manager (WLM)
Ability to use High Availability Disaster Recovery (HADR)
Ability to determine the appropriate diagnostic tool to use for a given scenario

Section 4 – Performance and Scalability (24%)
Knowledge of query optimizer concepts
Ability to manage and tune database, instance and application memory and I/O
Ability to use compression
Given a scenario, resolve performance problems
Ability to determine the appropriate index for a given scenario
Ability to exploit parallelism

Section 5 – Advanced Concepts (15%)
Knowledge of how/when to create a federated database environment
Knowledge of replication
Knowledge of pureScale
Knowledge of how/when to use the DB2 Audit facility

IBM Certified Advanced Database Administrator – DB2 10.1 for Linux UNIX and Windows

Job Role Description / Target Audience
An IBM Certified Advanced Database Administrator is the lead DBA for the DB2 products on one or more of the following platforms: Linux, UNIX (including AIX, HP-UX, and Sun Solaris), and Windows. This individual has extensive experience as a DBA and extensive knowledge of DB2 10.1. This person is capable of performing the advanced tasks such as performance, high availability, security and networking that are required.

Recommended Prerequisite Skills
Significant experience as a senior Database Administrator for DB2 10.1 for Linux, UNIX, and Windows.

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QUESTION 1
Which constraints are used to tell the DB2 Optimizer to consider business rules that are not
enforced by the database manager?

A. Check constraints
B. Default constraints
C. Informational constraints
D. Referential integrity constraints

Answer: C

Explanation:

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QUESTION 2
Given the following database design:

A Explain plan shows that a broadcast join is being used by a query that joins the DATE_DIM
dimension table and the SALES fact table. Which action should be performed to improve query
performance?

A. Create a replicated summary table for the SALES table using the table space TS_REPL.
B. Create a replicated summary table for the DATE_DIM table using the table space TS_REPL.
C. Create an index on both the DATE_DIM and the SALES table for the column that is used in the
collocated join.
D. Create a replicated summary table for the SALES table using the table space TS_DIM and
create an index on the DATE_DIM table.

Answer: B

Explanation:

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QUESTION 3
Which procedure is used to Explain an SQL statement using information obtained from the
package cache or the package cache event monitor?

A. EXPLAIN_FROM_DATA
B. EXPLAIN_FROM_ACTIVITY
C. EXPLAIN_FROM_SECTION
D. EXPLAIN_FROM_CATALOG

Answer: C

Explanation:

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QUESTION 4
Which statement about the initiation of parallel I/O is correct?

A. For list prefetching, each list of data pages is divided into smaller lists according to extent
boundaries and assigned to different I/O servers.
B. For read-ahead prefetching, each list of data pages is divided into smaller lists according to
extent boundaries and assigned to different I/O servers.
C. For sequential prefetching, parallel I/O is initiated when the prefetch size is a multiple of the
extent size for a table space. Each prefetch request is divided into smaller requests and assigned
to different I/O servers.
D. For sequential prefetching, parallel I/O is initiated when the extent size is a multiple of the
prefetch size for a table space. Each prefetch request is divided into smaller requests and
assigned to different I/O servers.

Answer: C

Explanation:

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QUESTION 5
The following message is frequently seen in the DB2 Diagnostics Log file (db2diag.log):
MESSAGE : ADM5502W The escalation of “28581” locks on table “TEST.TABLE1” to lock intent
“X” was successful. Which two database configuration parameter settings should be checked?
(Choose two.)

A. LOCKLIST
B. MAXAPPLS
C. MAXLOCKS
D. MAXAGENTS
E. LOCKTIMEOUT

Answer: A,C

Explanation:

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