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QlikView QV12DA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Transformation | 20-25% | - Data quality and validation - Interval matching - Mapping tables and ApplyMap - Cross-tables and pivot tables - Data cleansing techniques |
| Security and Governance | 15-20% | - Section Access implementation - Security best practices - Field-level and row-level security - Data reduction techniques |
| Data Load Design | 20-25% | - RESIDENT loads and preceding loads - QVD files creation and optimization - LOAD statements and transformations - Incremental load strategies - Scripting fundamentals - Handling different data sources |
| Performance Optimization | 15-20% | - Join types and their impact - Memory management - Synthetic keys identification and resolution - Table viewer analysis - Data model optimization techniques |
| Data Architecture and Design | 20-25% | - Star schema and snowflake schema design - Circular references and solutions - Balance between data model complexity and performance - Understanding dimensional data models - Link tables and concatenated tables |
QlikView 12 Data Architect Certification Sample Questions:
1. A business user reports a summary dashboard sheet takes a long time to load. Other sheets perform well. Which should be the first step for a data architect to identify the source of the problem?
Response:
A) Review the settings for each object in the summary dashboard sheet to identify complex calculations
B) Run a series of tests and use a timer to capture the time that the sheet takes to render each time it is opened
C) Review the Sheet Properties > Performance tab to identify errors and issues with the sheet and/or objects
D) Review the Sheet Properties > Objects tab to identify the calculation time and memory use of each object
2. A data source contains metadata, which describes the content of the data fields. How can the metadata for specific fields be shared with other data architects within Qlik View?
Response:
A) Add metadata to a text-based .meta file
B) Add metadata as a data column
C) Add metadata by using the Comment command
D) Add metadata as a data row
3. Business users report QlikView documents are having intermittent performance issues Users sometimes receive warnings related to memory. The system administrator finds this error message in the server log files: WorkingSet: Virtual Memory is growing beyond parameters Which three steps should the administrator take to diagnose and fix this issue? (Select three.)
A) Increase the amount of free disk space on the server that runs the QlikView Server services
B) Ask the user to restart the client and/or browser, and try again
C) Ask the document owner to optimize the data model and memory usage of sheet objects in the document
D) Review the Working Set High/Low values for QlikView Server in the QlikView Management Console
E) Monitor the memory usage on the server that runs the QlikView Server services, and increase memory resources if needed
4. A system administrator creates a task for a QlikView document with Section Access implemented. The administrator enters the correct values into the Data Protection fields to allow the QlikView service account to reload the file. When the task runs, it fails to reload the QlikView document The administrator finds this error message in the QlikView distribution log file:
Error: Document open call failed. The document might require username and password.
What should the administrator do to resolve the task failure?
A) Add the QlikView service account to Section Access in the QlikView document
B) Enter an administrator username and password that is part of the Section Access
C) Validate the QlikView service account username and password are correct in the task
D) Ensure the QlikView service account has file permissions to read the QlikView document
5. A company with strict security and firewall policies is planning to deploy QlikView. The company policy requires that both ports 80 and 443 remain closed.
A system administrator needs to ensure that the Internet Explorer Plugin client can communicate with the QlikView Server when accessing QlikView documents What should the administrator do?
A) Set Always tunnel
B) Open port 4749
C) Open port 4747
D) Add more RAM to the webserver
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: C,D,E | Question # 4 Answer: C | Question # 5 Answer: C |

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