Monday, 24 July 2017

C2090-632 IBM Cognos 10 BI Metadata Model Developer

Test information:
Number of questions: 53
Time allowed in minutes: 60
Required passing score: 71%
Languages: English, French, Japanese

Related certifications:
IBM Certified Advanced Developer - Risk Information Governance for BI
IBM Certified Solution Expert - Cognos BI
IBM Certified Developer - Cognos 10 BI Metadata Models
IBM Certified Solution Expert - Cognos 8 BI Migration

The Cognos 10 BI Metadata Model Developer exam covers key concepts, technologies, and functionality of the Cognos products. In preparation for an exam, we recommend a combination of training and hands-on experience, and a detailed review of product documentation.

Common Data Structures and Traps (16%)
Identify Common Data Structures
Identify different data traps

Framework Manager Basics (16%)
Identify the different model types that can be published from Framework Manager
Define the purpose of Framework Manager
Create a project
Identify recommendations for preparing metadata

Predictable Results (16%)
Identify recommendations to achieve predictable results
Describe why and how to implement a time dimension
Identify techniques for creating intuitive business views

Security (9%)
Describe the Cognos 10 security environment
Describe how to implement security on models and packages

Project Management and Maintenance (5%)
Identify techniques for managing Framework Manager projects
Identify techniques for managing Framework Manager packages

Query Subject Types (9%)
Identify different query subject types and uses

Generated SQL and Complex Queries (17%)
Identify SQL Generation in Complex Queries
Identify aggregated result sets for multi-fact queries
Identify aggregations in Report Studio SQL

Optimization and Tuning (5%)
Describe the performance impact of queries

Advanced Techniques (7%)
Describe how to leverage user defined functions
Describe how to resolve a recursive relationship
Identify considerations for drill-through values and managing MUNs

QUESTION 1
Which of the following is correct regarding the Cognos 10 security environment?

A. Cognos 10 must be configured to use only one authentication provider at a time.
B. To perform authentication of users, a connection to the Cognos namespace must be defined.
C. In Framework Manager, object security is implemented by defining access to objects for users, groups and roles defined in the authentication providers.
D. In Framework Manager, object security is implemented by defining access to objects for groups and roles (of which users are members), not individual users.

Answer: C


QUESTION 2
In Framework Manager, which of the following statements is correct when working with a multi-lingual project?

A. The design language can be changed at any point.
B. A project language cannot be deleted once defined in Framework Manager.
C. A language must be added to the project before it can be published with a package.
D. When a new language is added to a project, all locales for that language are added as well.

Answer: C


QUESTION 3
The groups and roles defined in the Cognos namespace can be used to assign access rights to which of the following Framework Manager objects?

A. Query items.
B. Data sources.
C. Relationships.
D. Parameter maps.

Answer: A


QUESTION 4
What must a modeler consider when modeling for drill-through between multiple data sources?

A. Drill-through values must be cast.
B. Drill-through values must be conformed.
C. Drill-through values must be consolidated.
D. Drill-through values must be identifiers.

Answer: B

Saturday, 22 July 2017

C2090-625 IBM Cognos 10 BI Data Warehouse Developer

Test information:
Number of questions: 84
Time allowed in minutes: 90
Required passing score: 78%
Languages: English

Related certifications:
IBM Certified Developer - Cognos 10 BI Data Warehouses
IBM Certified Advanced Developer - Risk Information Governance for BI
IBM Certified Solution Expert - Cognos BI

The IBM Cognos 10 BI Data Warehouse Developer exam covers key concepts, technologies, and functionality of the Cognos products. In preparation for an exam, we recommend a combination of training and hands-on experience, and a detailed review of product documentation.

Data Manager and Data Warehousing (4%)
Identify how Data Manager can be used
Distinguish between OLTP systems and data warehouses

Catalogs and Data Source Connections (12%)
Describe the process of creating a catalog
Identify how to use SQLTerm
Describe how to configure text files using SQLTXT Designer
Describe how to package catalog components
Describe how to navigate through catalog components
Describe how to export catalog metadata to Cognos 8

Dimensions and Basic Hierarchies (7%)
Determine appropriate situations for using a hierarchy
Describe the use of the Reference Explorer tool
Describe the use of the Date Hierarchy wizard

Basic Dimension Builds and Fact Builds (12%)
Describe the types of builds
Describe the use of the Dimension Build wizard
Describe the process of creating a fact build
Describe the modification of build settings

Derivations and Derived Dimensions (6%)
Identify the benefits of creating a derivation
Determine the appropriate location to create a derivation
Identify when it would be useful to create a derived dimension

Conformed Dimensions (10%)
Describe the advantages of conformed dimensions
Describe surrogate keys
Describe how to deliver conformed dimensions
Describe how to check data integrity

Hierarchies and Lookups (8%)
Describe ways to modify hierarchies and lookups
Describe how to manipulate data using hierarchies and lookups
Dimensional History and Late Arriving Data (10%)
Describe the use of slowly changing dimensions (SCDs)
Describe the handling of late arriving fact and dimension data

Data Delivery and Data Processing (22%)
Describe delivering fact and dimension data
Describe how to merge and aggregate fact data
Describe how to restrict fact data delivery
Describe how to implement job control
Describe how to pivot fact data

User-Defined Functions (UDFs) and Variables (5%)
Describe how to create UDFs
Describe the use of variables

Troubleshooting and Tuning (4%)
Describe options to address memory and performance issues
Describe how to interpret the log files
QUESTION 1
Where can a developer define variables in Data Manager?

A. Metadata dimensions
B. Connections
C. JobStreams
D. Metadata collections

Answer: C


QUESTION 2
When delivering fact data to a text file, what can be specified?

A. Line and field delimiters
B. Whether the file is in ASCII or EBCDIC format
C. Maximum number of rows to be stored in the file
D. Default text editor to use with the file

Answer: A


QUESTION 3
What can be done to minimize memory consumption?

A. Disable dimension breaking on the fact build.
B. Disable fact build logging.
C. Enable dimension breaking on the fact build.
D. Enable auditing on the fact build.

Answer: C


QUESTION 4
Which of the following is true of the Navigator?

A. When searching for components, wildcards are not supported.
B. When a component is selected, dependent components are shown.
C. Library components (such as hierarchies) cannot be navigated.
D. Components from different catalogs can be compared.

Answer: B

Saturday, 8 July 2017

C2090-612 DB2 10 DBA for z/OS

The IBM Certified Database Administrator is the lead database administrator (DBA) for the DB2 product on the z/OS operating system. This individual has significant experience as a DBA and extensive knowledge of DB2, specifically
the new features and functionality related to version 10. This person is capable of performing the intermediate to advanced tasks related to database design and implementation, operation and recovery, security and auditing,
performance, and installation and migration/upgrades specific to the z/OS operating system.

Test information:
Number of questions: 67
Time allowed in minutes: 90
Required passing score: 60%
Languages: English

The IBM Certified Database Administrator is the lead database administrator (DBA) for the DB2 product on the z/OS operating system. This individual has significant experience as a DBA and extensive knowledge of DB2, specifically the new features and functionality related to version 10. This person is capable of performing the intermediate to advanced tasks related to database design and implementation, operation and recovery, security and auditing, performance, and installation and migration/upgrades specific to the z/OS operating system.

Section 1 - Database Design and Implementation (30%)
Design tables and views
Explain the different performance implications of identity column, row ID, and sequence column definitions (applications, utilities), reorder row format, hash access
Design indexes
Design table spaces (choose a DB2 page size, clustering) and determine space attributes
Perform partitioning
Normalize data (E-R model, process model) and translate data model into physical model (denormalize tables)
Implement user-defined integrity rules
Use the appropriate method to alter DB2 objects
Create and Manage XML and LOB objects
Understand impacts of different encoding schemes
Implementing data distribution and replication

Section 2 - Operation and Recovery (28.5%)
Knowledge of commands for normal operational conditions
Knowledge of commands and utility control statements for use in abnormal conditions
Identify and perform actions that are needed to protect databases from planned and unplanned outages and ensure that timely image copies are taken periodically
Load and unload data into and from the created tables
Reorganize objects when necessary
Monitor the object by collecting statistics
Monitor and manage threads and utilities
Identify and respond to advisory/restrictive statuses on objects
Understanding the significance of checkpoints
Identify and perform problem determination
Perform health checks
Develop backup and recovery scenarios
Describe the special considerations for recovery in a data sharing environment
Understand the concept of disaster recovery
Understanding the concept of virtual storage constraints and limitations

Section 3 - Security and Auditing (9%)
Understanding privileges and authorities
Protect access to DB2 and its objects
Audit DB2 activity and resources and identify primary audit techniques
Identify and respond appropriately to symptoms from trace output or error messages that signify security problems
Create and maintain roles and trusted contexts
Implementing column and row level authorizations

Section 4 - Performance (28.5%)
Plan for performance monitoring by setting up and running monitoring procedures
Analyze performance
Analyze and respond to RUNSTATS statistics analysis
Determine when and how to perform REBIND
Calculate cache requirements for new applications
Understanding and implementing data distribution and replication
Describe DB2 interaction with WLM
Interpret traces and explain the performance impact of different DB2 traces
Identify and respond to critical performance metrics
Review and tune SQL
Dynamic SQL Performance
Design features for performance

Section 5 - Installation and Migration / Upgrade (4%)
Understand the critical ZPARMs
Identify the migration/upgrade modes
Identify & explain Datasharing components

IBM Certified Database Administrator - DB2 10 for z/OS

Job Role Description / Target Audience
The IBM Certified Database Administrator is the lead database administrator (DBA) for the DB2 product on the z/OS operating system. This individual has significant experience as a DBA and extensive knowledge of DB2, specifically the new features and functionality related to version 10. This person is capable of performing the intermediate to advanced tasks related to database design and implementation, operation and recovery, security and auditing, performance, and installation and migration/upgrades specific to the z/OS operating system.

Recommended Prerequisite Skills
Experience as a database administrator on DB2 10 for z/OS DBA and system programming DBA areas
At least two years experience in database administration for the z/OS operating system
Some knowledge and experience in both the application DBA and system programming DBA areas
Knowledge of SQL

Capability to work independently and effectively in complex environments



QUESTION 1
Workload Manager (WLM) manages how many concurrent stored procedures can run in an
address space and the number of concurrent stored procedures in an address space cannot
exceed the value of the NUMTCB parameter. Which statement about the value of NUMTCB is
correct?

A. NUMTCB parameter must be set to 1 for Java stored procedures.
B. NUMTCB parameter must be set to 1 for REXX stored procedures.
C. NUMTCB parameter can be a value greater than 1 for native SQL stored procedures.
D. NUMTCB parameter can be a value greater than 1 when a stored procedure invokes DB2
utilities.

Answer: B

Explanation:


QUESTION 2
If a single row of the PLAN_TABLE has a 'Y' value in more than one of the sort composite
columns, what is indicated?

A. The next sort step will perform two sorts.
B. There are multiple sorts in the plan step.
C. One sort in the plan step will accomplish two tasks.
D. Two sorts are performed on the new table of a star join.

Answer: C

Explanation:


QUESTION 3
What IBM provided stored procedure will access DB2 real time statistics tables?

A. DSNAEXP
B. DSNAIMS
C. DSNACCOX
D. DSNLEUSR

Answer: C

Explanation:


QUESTION 4
The EXPLAIN STMTCACHE ALL statement provides information about SQL tuning. Which
information is part of the DSN_STATEMENT_CACHE_TABLE?

A. Filter factor information.
B. Stage 1 and stage 2 information.
C. Number of columns used in an index.
D. Number of times an SQL statement is executed.

Answer: D

Explanation:


QUESTION 5
Which two of the following DB2 performance features will ignore clustering in favor of faster insert
performance? (Choose two.)

A. Append
B. Inline LOBs
C. Member cluster
D. Volatile table
E. Include columns

Answer: A,C

Explanation: