To upload data from flat files, SAP HANA offers several features.
What are these important features? There are 2 correct answers to this question

The new table always has a 2:2 mapping between the file and table columns
When loading new data in the table, it gets appended to the existing data
The application suggests the column name and data type for the new tables, and it is possible to edit them
The supported file types for upload are: .cssv, .xlls, and .xlsxxx

Answer(s): B,C

Explain how and when to create calculated columns - Using Graphical Modeling Tools? There are 3 correct answers to this question

The calculation could be an arithmetic or character manipulation.
Calculated columns also support non-measure attributes as part of the calculation.
It is possible to nest so that one calculated column, in turn, is based on other calculated columns
The calculation will be opened in a read-only mode
Time characteristics based calculation columns

Answer(s): A,B,C

Why is a security concept in SAP HANA required?
There are 2 correct answers to this question

Editing of SAP HANA data models should only be possible for "Users." of the model
Need to have selected users in SAP HANA for Information Management
Access to ERP tables must be restricted
Database administration should be restricted to skilled

Answer(s): C,D