CSG International Interview Questions, Process, and Tips

Agile methodologies are iterative and incremental approaches to software development that prioritize customer satisfaction and adaptability.

• Agile methodologies prioritize individuals and interactions over processes and tools

• They emphasize working software over comprehensive documentation

• They value customer collaboration over contract negotiation

• They respond to change rather than following a plan

• Examples include Scrum,

Scrum ceremonies are regular meetings that provide structure to the Scrum framework.

• There are four Scrum ceremonies: Sprint Planning, Daily Scrum, Sprint Review, and Sprint Retrospective.

• Sprint Planning is held at the beginning of each sprint to plan the work to be done.

• Daily Scrum is a daily meeting where the team discusses progress and plans for the day.

• Sprint Review is held at the end of each sprint to review the wo...read more

End to end CDR rating flow is the process of rating and billing for call detail records.

• CDRs are collected from network elements and processed by a mediation system.

• The mediation system transforms the CDRs into a format that can be rated.

• The rating engine applies pricing rules to the CDRs to determine the cost of the call.

• The rated CDRs are then sent to a billing system for invoicing and revenue assurance.

• The billing s...read more

I am an experienced System Administrator with a strong background in managing and troubleshooting complex IT systems.

• Over 5 years of experience in system administration

• Proficient in managing Windows and Linux servers

• Skilled in network configuration and troubleshooting

• Experience with virtualization technologies such as VMware

• Strong knowledge of security protocols and best practices

• Proven ability to handle multiple tasks

Managing system performance, security, and user support

• Ensuring system uptime and availability

• Implementing and maintaining security measures

• Providing technical support to users

• Managing system backups and disaster recovery

• Troubleshooting hardware and software issues

WCF (Windows Communication Foundation) life cycle involves creation, opening, closing, and disposing of communication objects.

• Creation: Communication objects are created using constructors.

• Opening: Objects are opened to establish communication channels.

• Closing: Communication channels are closed after use.

• Disposing: Objects are disposed to release resources.

• Example: Creating a WCF service involves defining service contr...read more

Core elements of WCF include contracts, services, messages, and endpoints.

• Contracts define what the service does and how clients can interact with it

• Services implement the functionality defined in contracts

• Messages are the data exchanged between clients and services

• Endpoints define the address, binding, and contract for a service

Web API and WCF have different use cases and technologies, each with its own strengths and weaknesses.

• Web API is more lightweight and suitable for building RESTful services, while WCF is more heavyweight and supports various communication protocols.

• Web API is easier to use for building HTTP services, while WCF offers more flexibility and features for building distributed applications.

• Web API is preferred for modern web...read more

Yes, I have used logging extensively in my projects to track application behavior and troubleshoot issues.

• Used logging frameworks like Log4j or SLF4J to log information, warnings, and errors

• Configured log levels to control the amount of detail in logs

• Logged important events, exceptions, and user actions for debugging purposes

• Stored logs in files or databases for future reference