G4S Interview Questions, Process, and Tips

Cloud computing is the delivery of computing services over the internet, including servers, storage, databases, networking, software, and analytics.

• Cloud computing allows users to access resources on-demand without the need for physical infrastructure.

• It offers scalability, flexibility, and cost-efficiency compared to traditional on-premises solutions.

• Examples of cloud computing providers include Amazon Web Services (A

Virtual instances are virtualized servers created on a physical server, allowing multiple instances to run independently.

• Virtual instances are created using virtualization technology to mimic physical servers.

• They allow for multiple instances to run on a single physical server, each with its own operating system and resources.

• Virtual instances are flexible and scalable, making them ideal for DevOps environments.

• Example...read more

ETL stands for Extract, Transform, Load. It is a process used to extract data from various sources, transform it into a consistent format, and load it into a target database or data warehouse.

• Extract: Involves extracting data from different sources such as databases, files, APIs, etc.

• Transform: Data is cleaned, validated, and transformed into a consistent format suitable for analysis.

• Load: The transformed data is loade...read more

The correct structure of a DBMS diagram includes entities, attributes, relationships, and keys.

• Entities represent the main objects in the database (e.g. Customer, Product).

• Attributes are characteristics of entities (e.g. CustomerID, ProductName).

• Relationships show how entities are related to each other (e.g. one-to-many, many-to-many).

• Keys uniquely identify each record in a table (e.g. Primary Key, Foreign Key).

Manpower turnout and quality are crucial for efficient operations.

• Regularly assess and monitor manpower turnout to ensure adequate staffing levels.

• Implement training programs to improve the quality of manpower.

• Utilize performance metrics to evaluate the effectiveness of manpower.

• Provide incentives for high-quality work to motivate employees.

• Address any issues or concerns promptly to maintain a high standard of manpower...read more

Collection target as per DSO refers to the amount of money that needs to be collected within a certain number of days sales outstanding.

• Collection target as per DSO is calculated by dividing the total accounts receivable by the average daily sales.

• For example, if the total accounts receivable is $100,000 and the average daily sales is $10,000, the collection target as per DSO would be 10 days.

• Having a lower collection ...read more