Sourcewell Devices Interview Questions and Answers

Different methods to save cost in an Azure environment include rightsizing resources, utilizing reserved instances, and optimizing storage usage.

• Rightsizing resources to match workload demands

• Utilizing reserved instances for predictable workloads

• Optimizing storage usage by archiving or deleting unused data

Workload distribution will be based on team members' strengths, workload complexity, deadlines, and priorities.

• Assess team members' strengths and weaknesses

• Assign tasks based on complexity and deadlines

• Prioritize tasks based on project goals

• Regularly communicate with team members to ensure workload balance

IaaS, PaaS, and SaaS are different cloud computing service models.

• IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as virtual servers and storage. Example: Amazon Web Services (AWS)

• PaaS (Platform as a Service) offers a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure. Example: Google App Engine

• SaaS (Software as a Service) delivers softwa...read more

Vnet stands for Virtual Network and NSG stands for Network Security Group.

• Vnet is a virtual network in Azure that allows resources to securely communicate with each other, the internet, and on-premises networks.

• NSG is a security group that acts as a virtual firewall to control inbound and outbound traffic to network interfaces or VM instances.

• Vnet and NSG are commonly used together to secure and manage network traffic within Azure environments.

An availability set is a group of virtual machines that are deployed across multiple fault domains and update domains.

• Helps ensure that your application is available during planned or unplanned maintenance events

• Provides redundancy and resiliency to your application

• Each VM in an availability set is assigned to a fault domain and an update domain to minimize potential downtime

Black box testing is a software testing method where the internal workings of the system are not known to the tester.

• Testing based on external behavior and inputs without knowledge of internal code

• Focuses on testing functionality without looking at the code implementation

• Helps in identifying issues that may not be apparent from a code review

• Examples: User interface testing, system integration testing

Hibernate allows saving data using session methods to manage entity states and transactions.

• 1. Configure Hibernate: Set up hibernate.cfg.xml with database connection details.

• 2. Create Entity Class: Annotate a Java class with @Entity and define fields with @Id, @Column.

• Example: @Entity public class User { @Id private Long id; @Column private String name; }

• 3. Open Session: Use SessionFactory to open a session.

• Example: Session session = sessionFactory.openSession();

• 4. Begin Tr...read more