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Natali [406]
3 years ago
15

__________ is the most refined and restrictive service model. a) IaaS b) CaaS c) PaaS

Computers and Technology
1 answer:
7nadin3 [17]3 years ago
4 0

Answer:

c) PaaS

Explanation:

Refined and restrictive service model allows the user to use full package of application stack as demand by the service. It should be noted that "PaaS" is the most refined and restrictive service model.

Platform as a Service known as (PaaS ) is computing platform that gives room for the user in the cloud to manage applications.

PaaS helps to overcome the problem in managing the complexity of software licence. Example of PaaS are window Azure,Apache Stratos.

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8 0
3 years ago
The records in a database table are generally visualized as​ ________.
vekshin1
The records in a database table are generally visualized as rows

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5 0
3 years ago
A computer has a cache and main memory. 20 ns are required to reference a word that is in the cache. If the word is in main memo
Alecsey [184]

Answer:

T_{average} =12026ns

Explanation:

Given Information:

T_{cache}=20 ns

T_{main}=60ns

T_{disk} =12ms=12,000,000ns

hit_{cache} =0.9

miss_{cache} =1-0.9=0.10

hit_{main} =0.99

miss_{main} =1-0.99=0.01

There are 3 possible cases

1. Location of reference word is in cache

T_{cache}*hit_{cache} =20*0.9=18ns

2. Location of reference word is not in cache but in main memory

(T_{cache}+T_{main})*(miss_{cache}*hit_{main}) =(20+60)*(0.10*0.99)=7.92ns

3. Location of reference word is neither in cache nor in main memory

(T_{cache}+T_{main}+T_{disk})*(miss_{cache}*miss_{main})

(20+60+12,000,000)*(0.10*0.01)=12000.08 ns

The average time required to access a referenced word on this system is simply the sum of above 3 cases

T_{average} =18+7.92+12000.08=12026ns

5 0
4 years ago
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