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Week 12 Flashcards

(3 cards)

0
Q

Define data center

A

The data center is a collection of hardware and software which is collectively presented clients as a large pool.

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1
Q

What are the benefits and limitations of virtualization?

A
Benefits: 
- better utilization management resources.
- Lower hardware costs.
- Less crashing
- ability to run legacy systems
Limitations: 
- virtual machines require a lot of RAM
- virtualized desktop computers tend to be slower
- upgrades are more challenging
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2
Q

What are the different cloud delivery mechanisms?

A
  1. Infrastructure as a service - offers virtualized infrastructure such as servers, devices, storage to a client. The client then installs their own software on the cloud infrastructure.
  2. platform as a service - The cloud providers add operating system, Web server, database server, and other low-level software structure to the cloud. This is usually rented it to client.
  3. software as a service - The cloud providers offer a specific piece of software to clients over the Internet, rather than clients physically buying and installing themselves. The cloud providers ensure that the software is patched, up-to-date, and available.
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