Find Interview Questions for Ortec

Right Answer:
Clustering in data analysis is the process of grouping similar data points together based on their characteristics, without prior labels. It is an unsupervised learning technique. In contrast, classification involves assigning predefined labels to data points based on their features, using a supervised learning approach.

Right Answer:
Exploratory Data Analysis (EDA) is the process of analyzing and summarizing datasets to understand their main characteristics, often using visual methods. It helps identify patterns, trends, and anomalies in the data before applying formal modeling techniques.

Right Answer:
Outliers are data points that significantly differ from the rest of the dataset. They can skew results and affect statistical analyses. To handle outliers, you can:

1. Identify them using methods like the IQR (Interquartile Range) or Z-scores.
2. Remove them if they are errors or irrelevant.
3. Transform them using techniques like log transformation.
4. Use robust statistical methods that are less affected by outliers.
5. Analyze them separately if they provide valuable insights.

Right Answer:
Some common data analysis tools and software include:

1. Microsoft Excel
2. R
3. Python (with libraries like Pandas and NumPy)
4. SQL
5. Tableau
6. Power BI
7. SAS
8. SPSS
9. Google Analytics
10. Apache Spark

Right Answer:
Some common data visualization techniques include:

1. Bar Charts
2. Line Graphs
3. Pie Charts
4. Scatter Plots
5. Histograms
6. Heat Maps
7. Box Plots
8. Area Charts
9. Tree Maps
10. Bubble Charts

Right Answer:
Content analysis is a research method used to systematically analyze communication content, such as texts, speeches, or media, to identify patterns, themes, and meanings.

Right Answer:
Working capital is the difference between a company's current assets and current liabilities, indicating the short-term financial health and operational efficiency of the business.

Right Answer:
BRD (Business Requirements Document) outlines the high-level business needs and objectives. SRS (Software Requirements Specification) details the functional and non-functional requirements for the software. Use Case documents describe specific interactions between users and the system to achieve particular goals.

Right Answer:
Yes, banks face significant challenges from money laundering when attracting deposits. Money laundering can lead to reputational damage, regulatory penalties, and financial losses. Banks must implement strict compliance measures and due diligence processes to detect and prevent illicit activities, which can complicate their efforts to attract legitimate deposits.

Right Answer:
MS Project is used for project management to plan, schedule, and track project progress, allocate resources, manage budgets, and analyze workloads.

Right Answer:
The main compiler optimization levels are:

1. **O0**: No optimization; the compiler generates the simplest code for debugging.
2. **O1**: Basic optimizations that improve performance without significantly increasing compilation time.
3. **O2**: More aggressive optimizations that enhance performance while still keeping compilation time reasonable.
4. **O3**: Maximum optimizations that may increase compilation time and can include aggressive techniques like loop unrolling.
5. **Os**: Optimizations focused on reducing code size.
6. **Ofast**: Disregards strict standards compliance for maximum performance, enabling all optimizations including those that may not be safe.

Each level balances between compilation time, execution speed, and code size.

Right Answer:
Aspects in Alfresco are reusable metadata bundles or behaviors that can be dynamically added to nodes (files or folders). They're used to:

* **Add extra properties:** Attach extra metadata fields (like "Classifiable" or "Geographic").
* **Add behavior/functionality:** Enable certain actions or rules (like versioning or workflow participation).
* **Categorize content:** Tag content with specific characteristics for searching and filtering.

Right Answer:
The `attribute` keyword in ARM Compiler is used to specify additional properties or characteristics for functions, variables, or types, such as alignment, visibility, or calling conventions, allowing for fine-tuning of the generated code.

Right Answer:
The main layers of the AUTOSAR architecture are:

1. Application Layer
2. Runtime Environment (RTE)
3. Basic Software (BSW) Layer
4. Microcontroller Abstraction Layer (MCAL)

Right Answer:
In ABAP, errors and exceptions can be handled using the TRY...ENDTRY block along with CATCH for specific exceptions. You can also use the MESSAGE statement to raise messages for errors. Additionally, the SY-SUBRC system variable can be checked after function calls to determine if an error occurred.

Right Answer:
A self-join is a type of join in SQL where a table is joined with itself to compare rows within the same table. It is typically used to retrieve related data from the same table, often using an alias to differentiate the instances of the table.