Question

In: Computer Science

27. What's the main reason why cloud services only became popular about ten years ago and...

27. What's the main reason why cloud services only became popular about ten years ago and not sooner?

a.
CPUs were not fast enough

b.
digital storage was too expensive

c.
Internet data transfers were not fast enough

d.
user interfaces were awkward

e.
smartphones were not widely used



28. Strategic alignment means:

a.
strategy development considers both internal and external factors

b.
functional strategies support the overall strategy

c.
a business follows the same strategy as its competitors

d.
the business only pursues one strategic goal at a time

e.
the organizational strategy doesn't change over time

30. Although any retailer could build a product recommender system, the usefulness of Amazonâ s recommender system would be difficult to replicate primarily because Amazon has:

a.
data about stated customer preferences

b.
advanced security tools

c.
partnerships with book publishers

d.
a big cloud system

e.

a long history of transaction data

32. Suppose two items A and B are not bought very often but a customer who does buy A is very likely to also buy B (and vice versa). Then, we would say that A and B have:

a.
low support and low confidence

b.
low lift and high support

c.
high lift and high confidence

d.
high lift and low confidence

e.

low support and low lift

35. How does service-oriented architecture help with migrating to the cloud?

a.
system usage can be metered

b.
data can be compressed

c.
application modules can be flexibly deployed to the cloud

d.
data can be automatically backed up

e.
applications are more secure



Solutions

Expert Solution

27. What's the main reason why cloud services only became popular about ten years ago and not sooner?

a. CPUs were not fast enough (false)

// the data in cloud computing not save in our computer so no need for fast cpu.

b. digital storage was too expensive (false)

// again the data in cloud computing not save in our computer so no need for getting more storage there for this option is not fit to the question.

c. Internet data transfers were not fast enough (TRUE)

// when ever we need our data from a cloud the first requirement we have a good internet connection and internet data transfers rate or speed which was not fast before the main reason is internet data transfers were not fast enough.

d. user interfaces were awkward (false)

// yes this can be the one of the reason but this is not the main reason because earlier time the interfaces of all software was not very user friendly so people was habitual to it so if they want to use cloud so they can do it.

e. smartphones were not widely used (false)

// cloud computing can be used with computer system.


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