1.
Which of these is a tool which implement MDM?
Correct Answer
D. Informatica
Explanation
Informatica is a tool that implements Master Data Management (MDM). MDM is a process that ensures consistent and accurate master data across an organization. Informatica provides a comprehensive platform for managing and governing master data, enabling organizations to create a single, trusted view of their data. It offers features like data integration, data quality, data governance, and data synchronization, making it an effective tool for implementing MDM strategies. Java, Scala, and Groovy are programming languages and not specifically designed for MDM implementation.
2.
What happens to duplicate records in Informatica project plan?
Correct Answer
B. It'll be merged with original
Explanation
In an Informatica project plan, duplicate records are merged with the original records. This means that instead of deleting or changing the duplicate records, they are combined or merged with the original records. This helps to ensure data accuracy and integrity by eliminating duplicate entries and consolidating the information into a single, unified record.
3.
In how many ways can you access Informatica console?
Correct Answer
B. 2
Explanation
There are two ways to access the Informatica console. The first way is by accessing it through the Informatica PowerCenter client tool, which provides a graphical user interface for managing and monitoring Informatica workflows and processes. The second way is by accessing it through the Informatica web-based console, which allows users to access and manage Informatica services and resources through a web browser.
4.
At what stage is a data warehouse updated?
Correct Answer
B. Real time
Explanation
A data warehouse is updated in real time. Real-time updating means that the data in the warehouse is constantly refreshed and updated as new data becomes available. This allows for up-to-date and accurate information to be accessed and analyzed by users. Real-time updating is particularly important in scenarios where immediate access to the most current data is crucial, such as in industries like finance or e-commerce.
5.
Which of these represents the flow of data between targets and sources?
Correct Answer
A. Map
Explanation
The correct answer is "Map". In data processing, a map represents the flow of data between targets and sources. It involves the transformation of data from one format to another or from one system to another. Mapping is an essential step in data integration and data migration processes, ensuring that data is correctly transferred and aligned between different systems or databases.
6.
What is the foreign key column in a dimension table?
Correct Answer
A. Primary keys of entity tables
Explanation
The foreign key column in a dimension table is typically the primary key of the entity table. This is because the dimension table is used to provide additional descriptive information about the entities in the entity table. By including the primary key of the entity table as a foreign key in the dimension table, it allows for easy linking and joining of the two tables to retrieve the desired information.
7.
How many ways can you load a dimension table?
Correct Answer
B. 2
Explanation
There are two ways to load a dimension table. One way is to perform a full load, where all the data in the dimension table is replaced with new data. The other way is to perform an incremental load, where only the new or updated data is added to the dimension table without replacing the existing data.
8.
In direct dimension table loading all the keys and constrains are___ prior to loading the data
Correct Answer
C. Disabled
Explanation
In direct dimension table loading, all the keys and constraints are disabled prior to loading the data. This is done to ensure that the data can be loaded without any restrictions or validations. Disabling the keys and constraints allows for a faster and more efficient loading process. Once the data is loaded, the keys and constraints can be enabled again to enforce data integrity and maintain referential integrity.
9.
A mapping variable is___
Correct Answer
C. Dynamic
Explanation
A mapping variable is dynamic because it can change its value during the execution of a mapping. This means that the value of the variable can be updated or modified based on certain conditions or transformations within the mapping process. Unlike static variables, which have a fixed value throughout the execution, dynamic variables provide flexibility and adaptability in mapping operations.
10.
What are the two types of data movement in Informatica?
Correct Answer
A. Unicode Mode and ASCII Mode
Explanation
The correct answer is Unicode Mode and ASCII Mode. In Informatica, data movement can occur in two different formats: Unicode Mode and ASCII Mode. Unicode Mode is used for processing data that contains characters from different languages and character sets, allowing for the storage and manipulation of multilingual data. ASCII Mode, on the other hand, is used for processing data that contains characters from the ASCII character set, which is a standard character encoding scheme used in computers and communication systems. These two modes provide flexibility in handling different types of data in Informatica.