IBM C2090-311 EXAM QUESTIONS & ANSWERS

Exam Code: C2090-311
Exam Name: IBM DB2 10.5 DBA for LUW Upgrade from DB2 10.1
Questions: 30 Q&As
Updated: 2019-01-18
Price: $ 39 / $ 59

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Test information:

  • Number of questions: 30
  • Time allowed in minutes: 60
  • Required passing score: 60%
  • Languages: English, Japanese

If you are knowledgeable with DB2 10.5 and are capable of performing the intermediate to advanced skills required in the day-to-day administration of DB2 instances and databases, you may benefit from this certification role.

Section 1 - DB2 Server Management (17%)


  1. Demonstrate the ability to configure DB2 workload for analytics system

    1. DB2_WORKLOAD=ANALYTICS

    2. DB CFG DFT_TABLE_ORG COLUMN

    3. DB CFG DATABASE PAGE SIZE = 32K

    4. DB CFG DFT_DEGREE=ANY

    5. DB CFG DFT_EXTENT_SZ=4

    6. Importance of UTIL_HEAP_SZ CFG for COLUMN ORGANIZED tables load

  2. Demonstrate the ability to use autonomic features in DB2 10.5 BLU Acceleration

    1. AUTO_RUNSTATS is not supported for COLUM ORGANIZED tables

    2. Automatic Space Reclaims in BLU acceleration tables

  3. Demonstrate knowledge of Data Studio 4.1

  4. Demonstrate the ability to use Automated workload management when workload set to ANALYTICS

Section 2 - Physical Design (37%)


  1. Demonstrate the ability to understand industry leading DB2 10.5 BLU Acceleration 7 big ideas

    1. Simple to Impement and Use - No Indexes, No MDC, No MQT, No Partitioning, No Statistical Views

    2. Friendly Huffman encoding - More frequent the values, the fewer bits in dictionary and packed registers. Performing most operations on encoded values.

    3. Usage of SIMD Instruction Sets

    4. Maximize CPU cache

    5. Column Store - Minimal IO / Work performed directly on columns / Improved memory density / Cache efficiency

    6. Memory Caching Facility - Leave the interesting data instead of traditional LRU or MRU algorithms

    7. Data Skipping through SYNOPSIS Tables

  2. Demonstrate the ability to understand and implement compression features

    1. Table Compression - Data Compression / Value Compression / Adaptive Compression / COLUMN ORGANIZED table compression

    2. Database backup compression

  3. Demonstrate the ability to use expression based indexes and the statistics on those expression based indexes

    1. Using RUNSTATS

    2. Using Statistics Profiles

    3. Automatic Statistics Collection

  4. Knowledge of Oracle Migration and Compatibility Features in DB2 10.5

  5. Demonstrate the ability to use Information Uniqueness Constraints

  6. Knowledge of SQL compatibility enhancements

    1. Extended row size support

    2. Exclude null keys support

Section 3 - Monitoring DB2 Activity (17%)


  1. Demonstrate the ability to use new monitor elements

    1. Demonstrate the ability to use new monitor elements to monitor dynamic prefetch requests for data in column-oriented tables.

    2. Demonstrate the ability to use new new monitor elements to measure column data size.

    3. Demonstrate the ability to use new monitor elements to measure time spent in Columnar Data Engine (CDE)

  2. Demonstrate knowledge of the new EXPLAIN enhancements Knowledge of SQL compatibility enhancements

    1. Demonstrate the ability to understand new CTQ (Column Table Queue) Operator in the explain

  3. Knowledge of new monitoring function - MON_GET_ROUTINE

  4. Demonstrate knowledge of HADR monitoring enhancements

    1. HEARTBEAT_MISSED

    2. HEARTBEAT_EXPECTED

    3. STANDBY_SPOOL_PERCENT

    4. STANDBY_ERROR_TIME

Section 4 - High Availability (17%)


  1. Knowledge of enhancements to pureScale

    1. Understand the ability to use Online REORG in pureScale

    2. Knowledge of replay member in pureScale standby cluster

    3. Knowledge of HADR setup in a pureScale cluster environment

    4. Demonstrate the ability to undestand Rolling Fix Pack Updates in pureScale

    5. Demonstrate the ability to undestand STMM Multi-Tenancy Feature in pureScale

    6. Demonstrate the ability to understand Explicit Hierarchical Locking Multi-Tenancy in pureScale system

  2. Knowledge of DB2 Advanced Copy Services customized scripts

Section 5 - Utilities (13%)


  1. Demonstrate the ability to use IBM Optim Query Workload Tuner

    1. The Workload Table Organization Advisor

    2. Support for comparing access plans before and after

    3. Access Plan Explorer and in access plan graphs for the new CTQ operator

  2. Demonstrate the ability to use DB2 10.5 Utilities

    1. db2convert

    2. LOAD Command - Additional ANALYZE phase for COLUMN ORGANIZED tables

    3. Default AUTOMATIC STATISTICS COLLECTION in LOAD command for COLUMN ORGANIZED tables

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