37 Questions
What is the main difference between a distributed computer system and grid computing?
Grid computing provides services to a shared pool of resources.
According to the National Institute of Standards and Technology (NIST), what is cloud computing?
A model for on-demand network access to shared computing resources.
What term is used to describe on-demand network access to shared computing resources in cloud computing?
Virtualization
Which type of system provides services to a shared pool of resources?
Cloud computing
What is a key characteristic of cloud computing according to the National Institute of Standards and Technology (NIST)?
Shared pool of configurable computing resources.
Why is cloud computing considered a type of distributed system?
Because it provides on-demand network access to shared resources.
What distinguishes cloud computing from grid computing?
Cloud computing provides services to a shared pool of resources.
"A model for enabling convenient, on-demand network access to a shared pool of configurable computing resources" is the definition provided by:
"National Institute of Standards and Technology (NIST) Definition"
What main technology enables Cloud Computing?
Virtualization
Which essential characteristic of Cloud Computing allows for scaling to cope with demand spikes?
Rapid Elasticity
What distinguishes Cloud Computing from Grid Computing in terms of ownership?
Cloud computing is owned by an infrastructure provider, while Grid computing is usually owned by an organization within a corporate network.
Which feature allows Cloud Computing consumers to avoid purchasing computer hardware or software?
On-demand self service
What does Multi-tenancy / Resource pooling in Cloud Computing refer to?
Sharing resources across multiple consumers
How does Virtualization contribute to Cloud Computing?
By partitioning a physical server into multiple logical servers
In terms of management, how does Grid Computing differ from Cloud Computing?
Grid Computing management is centralized, while Cloud Computing management is decentralized.
What is the primary function of a hypervisor?
Facilitate communication between hardware and OS
Which type of hypervisor sits directly on the hardware?
Type 1
What does 'Virtual symmetric multi-processing' allow virtual machines to do?
Access multiple processors simultaneously
Which type of virtualization involves isolated software and hardware that remains the same?
Silo virtualization
In a virtualized environment, what is the purpose of 'Distributed Resource Scheduler'?
Manage multiple hypervisors across hardware
What is the key role of a Type 2 hypervisor?
Scheduling hardware resources for other OSs
Which type of virtualization involves combining available resources in a network by splitting up the available bandwidth into channels?
Network Virtualization
What does the multi-tenant model hypervisor enable?
Partitioning
Which aspect of virtualization ensures that each virtual machine is isolated from other VMs?
Isolation
What is the purpose of server virtualization?
Masking server resources like processors and RAM
Which type of virtualization pools physical storage from multiple network storage devices?
Storage Virtualization
What feature allows a virtual machine to be presented to an application as an entity?
Encapsulation
What does network virtualization achieve?
- Combining available network resources by splitting bandwidth into channels
In virtualisation, what does partitioning refer to?
One physical system providing many applications and OS's
What is a characteristic of session-based client virtualization?
Server runs a single OS with multiple sessions for users
What is a common feature of cloud email services?
Outsources privacy and security
In the context of file storage services, what does 'fault tolerance' refer to?
Provisioning storage redundancy for data protection
Which type of client virtualization involves sending virtual PCs from the server to users?
Virtual Desktop Infrastructure
What is a notable characteristic of traditional on-premises email services?
Requires estimates of usage and fault tolerance provisioning
Which type of client virtualization involves streaming the operating system to users with some processing done on the server and some on the client?
Operating system streaming
For traditional on-premises web site hosting, what is a requirement?
Personnel for web development
What is a significant benefit of cloud web hosting compared to traditional on-premises deployment?
'Free' packages for web hosting services
Learn about hypervisor software and virtualisation, including the multi-tenant model, resource separation, isolation, and encapsulation. Explore different types of virtualisation like network virtualisation.
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