CMAP 7

Question 1

Virtualization

Answer 1

multiple OS can be installed and run simultaneously on one computer.
facilitate by hypervisor

Question 2

Application Virtualization

Answer 2

application accessed by client are hosted on a server or stream the application from the server. (Netflix, Spotify)

Question 3

what are CPU prefixes to instruction sest to improve virtualization?

Answer 3

Intel: VT-x
AMD: AMD-V

Question 4

SLAT (second level address translation)

Answer 4

Improving virtual memory performance.
Intel uses: EPT (extended page table)
AMDL: RVI (rapid virtualization indexing)

Question 5

Virtual machine sprawl

Answer 5

uncontrolled deployment of more and more VMs

Question 6

VM escaping

Answer 6

malware on one guest OS hopping onto another or to the host.

Question 7

metered utilization

Answer 7

keeps track of the precise price for provision resources units on cloud services.

Question 8

rapid elasticity

Answer 8

system will experience minimal downtime during increased performance demands and reduce cost when demands are low.

Question 9

CSP

Answer 9

cloud service providers

Question 10

Public (multitenant)

Answer 10

services offered over the internet to cloud customers.

Question 11

Private

Answer 11

cloud architecture is private and own by the organization. more control over privacy and security.

Question 12

Community

Answer 12

several organization share cost to either hosted private or fully private cloud.

Question 13

Hybrid

Answer 13

loud computing implementing public/private/community.