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A+1-101 > 4.0 Virtualization and Cloud Computing > Flashcards

4.0 Virtualization and Cloud Computing Flashcards

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1
Q

As defined by NIST, What are the 5 elements cloud computing services must have ?

A

On-demand self-service
Broad network access
Resource pooling
Rapid elasticity
Measured service

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2
Q

What is a disadvantage of a Type 2 hypervisor ?

A

Type 2 Hypervisor will sit on top the existing OS hence both OS’s will compete for resources.

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3
Q

What is a Sandbox ?

A

Temp OS enviroment.

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4
Q

What is a sandbox ideal for ?

A

Testing softeare

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5
Q

What should you do if you receive a mesage that states that a network card MAC address conflict exists ?

A

Remove the Network Interface Card (NIC) and configure another one.

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6
Q

Define on-demand for cloud computing

A

Storing files in the cloud when necessary and removing when space is freed up,

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7
Q

What are the two forms of application virtualization ?

A

Cross platform virtualization and Virtualization legacy software.

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8
Q

Define rapid elasticity ?

A

Obtaining resources at a moments notice.

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9
Q

What is a community cloud ?

A

Multiple organization from a community have share interests and hence share the cloud infastructure

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10
Q

Will load balancing be specific or general ?

A

Specific i.e. server block 1 handles task A, block 2 task B etc.

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11
Q

Where can a antispam gateway be located ?

A

Multipleplace, on the cloud or on an internal network

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12
Q

A type 1 hypervisor is also known as ?

A

Bare-metal hypervisor

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13
Q

What tech provides and manages virtual desktops ?

A

Virtual desktop infastructure

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14
Q

What is metered utilization?

A

The process by which a provider charges for resources used.

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15
Q

Which cloud term refers to the process by which a provider charges for the resources used?

A

Metered Utilization

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16
Q

Where should you deploy a virtual image to test vunerablities ?

A

Sandbox enviroment

17
Q

What are the two main things you need to include for a dedicated virtualization workstation ?

A

Max RAM and Multiple CPU cores

18
Q

What can be a security concern wehn using acloud service providerand could result in a data breach caused by data remnants?

A

Rapid Elasticity
Resources may not be deprovisioned properly

19
Q

Which of the following is the MOST dangerous type of threat when using virtualization?

A

VM escape

20
Q

What is VM escape ?

A

Malware running on a guest OS jumping to another guest or the host

21
Q

Lowest layer of a bare metal-V enviroment ?

A

Physical hardware

A+1-101 (5 decks)

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