This set of MCQ(multiple choice questions) focuses on the Cloud Computing NPTEL Week 7 Solutions.
Cloud computing is a scalable services consumption and delivery platform that provides on-demand computing service for shared pool of resources, namely servers, storage, networking, software, database, applications etc., over the Internet. It is a model for enabling ubiquitous, on-demand access to a shared pool of configurable computing resources, which can be rapidly provisioned and released with minimal management effort. This course will introduce various aspects of cloud computing, including fundamentals, management issues, security challenges and future research trends.
Course layout
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Week 0: Assignment answers
Week 1:Â Introduction to Cloud Computing
Week 2: Cloud Computing Architecture
Week 3: Service Management in Cloud Computing
Week 4: Data Management in Cloud Computing
Week 5:Â Resource Management in Cloud
Week 6: Cloud Security
Week 7:Â Open Source and Commercial Clouds, Cloud Simulator
Week 8:Â Research trend in Cloud Computing, Fog Computing
Week 9:Â VM Resource Allocation, Management and Monitoring
Week 10:Â Cloud-Fog-Edge enabled Analytics
Week 11: Serverless Computing and FaaS Model
Week 12: Case Studies and Recent Advancements
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Cloud Computing NPTEL Week 7 Solutions
Q1. __________ ensures the ability to exchange / obtain the information to be “consumed”.
a) Data Level Interoperability
b) Security Level Interoperability
c) Service Level Interoperability
d) None of the above
Answer: c) Service Level Interoperability
Q2. Fog computing enablers are
a) Virtualization
b) Big data
c) Service oriented architecture
d) None of these
Answer: a), c)
Q3. Consider the following statements:
Statement 1: In Geopatial Cloud, it is needed to integrate data from heterogeneous back-end data services.
Statement 2: Data services can be inside and/or outside of the cloud environment in Geospatial Cloud.
a) Statement 1 is Correct, but Statement 2 is Incorrect
b) Statement 2 is Correct, but Statement 1 is Incorrect
c) Both statements are Correct
d) Both statements are Incorrect
Answer: c) Both statements are Correct
Q4. Which of the following statements is false about Code offloading using cloudlet? (Choose the most appropriate option)
Statement 1: The architecture reduces latency by using multi-hop network.
Statement 2: It potentially lowers battery consumption by using short range radio.
a) Statement 1 is correct but Statement 2 is incorrect
b) Statement 2 is correct but Statement 1 is incorrect
c) Both the statements are correct
d) Both the statements are incorrect
Answer: b) Statement 2 is correct but Statement 1 is incorrect
Q5. Which of the following is/are a feature(s) of Mobile Cloud Computing?
a) Uses lesser mobile device resources because applications are cloud-supported
b) Reduces reliability with information backed up and stored in the cloud
c) Mobile devices connect to services delivered through an API architecture
d) Facilitates slower development, delivery and management of mobile apps
Answer: a), c)
Q6. Which of the following statement(s) is/are FALSE about Fog Computing?
a) Fog nodes present near to the end-user
b) Fog computing enables real-time applications
c) Fog nodes’ response time is much higher than cloud’s
d) Network routers, WiFi Gateways will not be capable of running applications.
Answer: c), d)
Q7. Which of the following options is correct about geographic information?
Statement 1: Geographic information could be static or dynamic
Statement 2: Geographic information varies in scale
Statement 3: Population of a city/town is a static geographic information
a) Statement 1 & 2 are True, but Statement 3 is False
b) Statement 2 & 3 are True, but Statement 1 is False
c) Statement 1 & 3 are True, but Statement 2 is False
d) All the statemetns are True
Answer: a)
Q8. Benefits of Fog Computing is/are:
a) Immobility
b) Low latency and location-aware
c) Homogeneity
d) Widespread geographical distribution
Answer: b), d)
Q9. Distance between the client and server in Cloud Computing is of ____________ and Fog computing is __________ .
a) One Hop, Multiple Hop
b) One Hop, One Hop
c) Multiple Hop, One Hop
d) Multiple Hop, Multiple Hop
Answer: c)
Q10. Match the following tables related to Mobile Cloud computing key components:
a) 1-(ii), 2-(iii), 3-(i)
b) 1-(iii), 2-(i), 3(ii)
c) 1-(i), 2-(ii), 3-(iii)
d) 1-(ii), 2-(i), 3-(iii)
Answer: a)
Cloud Computing NPTEL Week 7 Solutions
Q1. Which of the following options is correct about geographic information?
Statement 1: Geographic information could be static or dynamic
Statement 2: Geographic information varies in scale
Statement 3: Population of a city/town is a static geographic information
a) Statement 1 & 2 are True, but Statement 3 is False.
b) Statement 2 & 3 are True, but Statement 1 is False.
c) Statement 1 & 3 are True, but Statement 2 is False.
d) All the statements are True.
Answer: a) Statement 1 & 2 are True, but Statement 3 is False.
Q2. Which of the following is true about geographical information system? Choose the most appropriate option.
a) Variable load of the GIS server needs dynamic scaling of resources.
b) GIS uses network intensive web services
c) GIS requires a high level of reliability.
d) All of these.
Answer: d) All of these.
Q3. Which of the following is/are not a benefit of Fog computing?
a) Location awareness
b) Improved QoS
c) High latency
d) Man-in-the-middle-attack
Answer: c), d)
Q4. Which of the following statements is false about Code offloading using cloudlet?
Statement 1: The architecture reduces latency by using multi-hop network.
Statement 2: It potentially lowers battery consumption by using short range radio.
a) Statement 1 is correct but Statement 2 is incorrect
b) Statement 2 is correct but Statement 1 is incorrect
c) Both the statements are correct
d) Both the statements are incorrect
Answer: b) Statement 2 is correct but Statement 1 is incorrect
Q5. Which of the following are some of the key components of Mobile cloud computing? Choose the most appropriate option.
a) Solver
b) Synchronizer
c) Profiler
d) All of the above
Answer: d) All of the above
Q6. Which of the following statement(s) is/are FALSE about Fog Computing?
a) Intelligence is brought to the cloud from the end users.
b) Fog computing is used for real-time applications
c) Fog nodes’ response time is much higher than cloud server
d) Network routers, WiFi Gateways will not be capable of running applications
Answer: a), c), d)
Q7. Fog computing enablers are
a) Virtualization
b) Big data
c) Service oriented architecture
d) None of these
Answer: a), c)
Q8. Which of the following is/are feature(s) of Mobile Cloud Computing?
a) Use less mobile device resources because applications are cloud-supported
b) Reduce reliability with information backed up and stored in the cloud
c) Mobile devices connect to services delivered through an API architecture
d) Facilitates slower development, delivery and management of mobile apps
Answer: a), c)
Q9. Which of the following is/are the challenge(s) of Geospatial Cloud?
a) Scaling of Spatial Databases
b) Policy management among the tenants
c) Implementation of Spatial Databases
d) None of the above
Answer: a), b), c)
Q10. Consider following statements:
Statement 1: Geospatial Cloud helps to integrate data from heterogeneous back-end data service.
Statement 2: Data services can be inside and/or outside of the cloud environment in Geospatial Cloud.
a) Statement 1 is Correct, but Statement 2 is Incorrect
b) Statement 2 is Correct, but Statement 1 is Incorrect
c) Both statements are Correct
d) Both statements are Incorrect
Answer: c) Both statements are Correct
Previous Course – Week 7 Assignment Solutions
Q1. Fill in the blanks in the light of User Mobility:
The lack of effective handoff mechanisms in WiFi networks as users move rapidly causes an _____ in the number of packets _____ .
a) decrease, losses
b) increase, losses
c) increase, gains
d) no variation, gains
Answer: b) increase, losses
Q2. Choose the correct option.
How to evaluate Mobile Cloud Computing performance?
(i) Energy Consumption
(ii) Security
(iii) Time to Completion
(iv) Monetary Cost
a) only I and II
b) only II and IV
c) only I, II and IV
d) I, II, III, IV
Answer: d) I, II, III, IV
Q3. What is/are the key component(s) of Mobile Cloud Computing?
a) Profiler
b) Solver
c) Synchronizer
d) All of the above
Answer: d) All of the above
Q4. Which of the following is/are advantage(s) of Mobile Cloud Computing?
a) Extending battery lifetime
b) Improving security
c) Improving Reliability and Availability
d) None of the above
Answer: a), c)
Q5. Offloading is beneficial when ________ amounts of computation are needed with relatively_________ amounts of communication.
a) Large, small
b) Small, large
c) Small, does not depend
d) Does not depends, small
Answer: a) Large, small
Q6. Which of the following is/are true?
a) In cloud computing, the distance between the client and server is over multiple hops.
b) In fog computing, the distance between the client and server is over multiple hops.
c) In cloud computing, the distance between the client and server is over a single hop.
d) In fog computing, the distance between the client and server is over a single hop.
Answer: a), d)
Q7. Which of the following is/are fog devices?
a) Cellular base stations
b) Network routers
c) WiFi Gateways
d) None of these
Answer: b) Network routers
Q8. What is/are true about cloudlets?
a) Increases the latency in reaching the cloud servers
b) Reduces the latency in reaching the cloud servers
c) Resides far from the mobile devices
d) Resides near to the mobile devices
Answer: b), c), d)
Q9.
a) 1. (ii), 2. (iii), 3. (i)
b) 1. (iii), 2. (i), 3. (ii)
c) 1. (i), 2. (ii), 3. (iii)
d) 1. (iii), 2. (ii), 3. (i)
Answer: b) 1. (iii), 2. (i), 3. (ii)
Q10. Which of the following aspect(s) is/are present in context-aware dynamic parking service case study?
a) Decision making of traffic authorities
b) Reservation service process
c) Context-aware optimization
d) None of the above
Answer: b), c)
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