NPTEL Cloud Computing Assignment 5 Answers (Week 5)
Q1. Which of the following is a formal contract between a Service Provider (SP) and a Service Consumer (SC)?
a. SLA (Service level agreement)
b. SLO (Service level objectives)
c. Both
d. None
Answer: a. SLA (Service level agreement)
Q2. Hadoop is an open-source implementation of Map Reduce.
a. True
b. False
Answer: a. True
Q3. In MapReduce model, _ make remote procedure call requests to the ___ to fetch the files.
a. Mappers, Reducers
b. Reducers, Mappers
c. Master, Reducers
d. Master, Mappers
Answer: b. Reducers, Mappers
Q4. Suppose a cloud guarantees service availability for 97% of time. Let a third party application runs in the cloud for 10 hours/day. At the end of one month, it was found that total outage is 8 hrs.
a. SLA has violated the initial availability guarantee.
b. SLA has NOT violated the initial availability guarantee
c. Cannot be determined
Answer: b. SLA has NOT violated the initial availability guarantee
Q5. Which of the following is/are NOT among cloud properties as per economic viewpoint?
a. Common Infrastructure
b. Location Dependence
c. Online connectivity
d. Utility pricing
Answer: b. Location Dependence
Q6. U < P/A where U is Utility premium, P is Peak demand, A is Average demand indicates that cloud cheaper than owning.
a. True
b. False
Answer: a. True
Q7. In a MapReduce framework consider the HDFS block size is 32 MB. We have a file of size 128KB. How many blocks will be created by Hadoop framework?
a. 2
b. 4
c. 1
d. None of the above
Answer: c. 1
Q8. Allocation of a service provider’s resources to a customer is termed as?
a. Resource brokering
b. Resource allocation
c. Resource provisioning
d. Resource adaptation
Answer: c. Resource provisioning
Q9. Which of the following is NOT a hardware challenge in resource management?
a. Memory
b. CPU
c. Information security
d. Workstations
Answer: c. Information security
Q10. Which of the following are performance metrics for resource management?
a. Reliability
b. QoS
c. Delay
d. All of the above
Answer: d. All of the above
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