5 Flashcards
In a SLA negotiation, the provider agreed with the service availability of 98%. The consumer runs
the application for X hours/day. At the end of one month [31 days], the total service outage was 12
hrs. However, SLA negotiation (in terms of service availability) is honored.
X is atleast 19.74
Average resource demand is 45 units,Baseline (owned) unit cost is 200 units,Time is 10 hours,Peak
resource demand is 100 units. If the cloud is cheaper than owning of computer infrastructures, the
utility premium is
Less than 2.22
In computing, there is a linear relationship between the number of processing cores used and
power consumption.
TRUE
The ________ takes a series of key/value pairs, processes each, and generates zero or more output.
map function
In a MapReduce framework the HDFS block size is 64 MB. We have 6 files of size 64KB, 65MB,
X MB, Y KB, 67KB and 127MB. 24 blocks are created by Hadoop framework. The size of X and
Y are respectively [one or more than one options may be correct, select all correct options]:
b. 64 and 64
c. 64 and 66
Which among the following is/are logical resource(s)?
Execution
When load decreases, VM management can be done by
a. Live migrate VMs to more utilized nodes
b. Shutdown unused nodes
Correspondence between resources required by the users and resources available with the provider
is known as
Resource mapping
Ability or capacity of that system to adjust the resources dynamically to fulfill the requirements of
the user is known as
Resource adaptation
Statement 1: Map operation consists of transforming one set of key-value pairs to another.
Statement 2: Each reducer groups the results of the map step using the same key.
Both statements are true
