Which of the following is a popular analytics tool offered by Amazon Web Services?
- Amazon Athena
- Amazon Elastic Compute Cloud (EC2)
- Amazon Relational Database Service (RDS)
- Amazon S3 (Simple Storage Service)
Amazon Athena is a serverless, interactive query service offered by AWS for querying data in Amazon S3 using SQL. It's a popular choice for ad-hoc data analysis and exploration.
Kubernetes is best described as:
- Cloud Hosting Service
- Container Orchestration System
- Database Management System
- Virtualization Platform
Kubernetes is best described as a container orchestration system. It automates the deployment, scaling, and management of containerized applications.
In the context of virtualization, what is "paravirtualization"?
- A method to create virtual machines
- A technique to emulate hardware devices
- A technology to enhance graphics performance
- A virtualization technique where the guest OS is modified to be aware of the virtualization layer
Paravirtualization involves modifying the guest OS to work more efficiently with the hypervisor, improving performance and allowing for efficient communication with the host.
A ________ is a software layer that abstracts the physical hardware to create multiple virtual machines.
- Compiler
- Debugger
- Hypervisor
- Kernel
A Hypervisor is a crucial software layer that manages virtual machines by abstracting and controlling access to physical hardware resources. It enables the creation of multiple VMs on a single physical server.
Google Cloud Functions are stateless, meaning they do not ________ state between invocations.
- Preserve
- Reset
- Retain
- Share
Google Cloud Functions are stateless, which means they don't retain state between invocations. Each invocation starts with a clean slate.
If a company is interested in using a managed NoSQL database service, which AWS service would be the best fit?
- Amazon DynamoDB
- Amazon RDS
- Amazon Redshift
- Amazon S3
Amazon DynamoDB is a managed NoSQL database service that is designed for scalability and high availability, making it a suitable choice for NoSQL data storage.
To protect against account hijacking, organizations should enforce a strong ________ policy for cloud services.
- Authentication
- Authorization
- Encryption
- Password
To protect against account hijacking, organizations should enforce a strong "Password" policy for cloud services. This includes requiring strong, unique passwords and periodic password changes.
When an organization wants to optimize its application to be more scalable and resilient by redesigning it for the cloud, they are likely using the ________ strategy.
- Re-architecting
- Re-factoring
- Re-hosting
- Re-platforming
The "re-architecting" strategy involves redesigning applications to leverage cloud-native features, enhancing scalability and resilience.
Which characteristic of cloud computing allows resources to be provisioned without human interaction?
- High Availability
- Redundancy
- Self-Service Provisioning
- Virtualization
Self-service provisioning enables users to allocate cloud resources independently, reducing the need for manual intervention in resource allocation.
A cloud infrastructure that serves a specific community with common concerns (e.g., mission, security requirements, and compliance considerations) is known as:
- Community Cloud
- Hybrid Cloud
- Private Cloud
- Public Cloud
A Community Cloud is designed to serve a specific community with shared concerns like mission, security, and compliance requirements.