9. Cloud Computing Flashcards
What is cloud computing in a nutshell?
The process of using a network of remote servers hosted on the internet
Availability refers to a percentage of what versus what?
Uptime vs downtime
What is the difference between Metered Utilization and Measured Services in how they are charged?
Metered is pay per use while Measured is based on usage of the service being consumed
What refers to the ability to minimize costs by putting VMs on other servers, and to pool together all the hardware to make a cloud provider?
Shared Resources
What two things is Hybrid cloud a combination of?
Private and Public clouds
What refers to a collaborative effort where cloud infrastructure is shared between several orgs from a specific community with common concerns?
Community cloud
What refers to the ability for customers to share computing resources in a public or private cloud?
Multitenancy
What two things are generally the customer’s responsibility in PaaS?
Applications and data
What five things are generally the customer’s responsibility in IaaS?
Applications, data, runtime, middleware, and OS
What refers to hosting desktop OSs within a virtualized environment hosted by a centralized server or server farm?
Virtual Desktop Infrastructure (VDI)
What is another name for a Desktop as a Service (DAAS)?
Hosted Model
What enables a network to be intelligently and centrally controlled/programmed using software applications, and can be changed automatically by the network itself using automation & orchestration?
Software Defined Network(ing) (SDN)
Which SDN layer focuses on the communication resource requests or info about the network as a whole?
Application Layer
Which SDN layer uses the info from the applications and decides how to route a data packet on the network?
Control Layer
Which SDN layer contains the network devices that receive information about where to move the data?
Infrastructure Layer
