FREE OpenStack Vskills Questions and Answers
What feature of the cloud allows customers to pay for the services they use as they go?
Explanation:
The cloud characteristic you are referring to is known as "usage-based billing."
Usage-based billing is a pricing model in which users are charged based on the amount of cloud resources or services they consume. Instead of a fixed subscription fee, users pay for the specific resources they use or the services they consume within a given period.
If a server crashes due to a hardware issue, what happens to the virtual machines that are kept there?
Explanation:
If a server fails due to a hardware fault in a virtualized environment, the virtual machines (VMs) stored on that server can typically be migrated to another server. This process is known as VM migration or VM failover.
In a cloud environment, which network and SAN administration strategy will change?
Explanation:
In a cloud infrastructure, the network and storage area network (SAN) administration approaches undergo significant changes. Specifically, the server, hypervisor, network, and SAN architectures converge and are centrally managed in a cloud environment.
Which of the subsequent is not a primary target for virtualization?
Which network technique enables communication between hosts that are not physically close to one another?
Explanation:
The network technology that allows physically separated hosts to communicate as if in the same broadcast domain is a Virtual Local Area Network (VLAN).
Which of the following is not a flavor included in the OpenStack default installation?
Which cloud computing feature of the service delivery model is essential for a public cloud?
Explanation:
Metering is not a must-have attribute for a public cloud. The key service delivery model attribute that is a must for a public cloud is "multi-tenancy." Public clouds are designed to serve multiple customers (tenants) simultaneously by sharing the underlying computing resources. Multi-tenancy allows for cost-effective resource utilization and scalability, as the resources are shared among multiple users or organizations.