SPPU Information Technology (Semester 7)
Cloud Computing
May 2017
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


Solve any one question from Q.1(a,b) &Q.2(a,b)
1(a) Describe in brief the services offered by cloud computing.
6 M
1(b) Explain in brief following terms with reference to cloud computing:
i) On demand self provisioning
ii) Elasticity
iii) Cost reduction
iv) Application program interfaces
2 M

2(a) Which type of Cloud service is provided by 'gmail'? Justify.
6 M
2(b) Define cloud computing as per NIST.
2 M

Solve any one question from Q.3(a,b) &Q.4(a,b)
3(a) Explain the virtualization techniques in cloud computing.
6 M
3(b) Enlist features of federation types. Explain any one in brief.
6 M

4(a) Discuss in brief following basic principles of cloud computing.
i) Federation
ii) Independence
iii) elasticity
6 M
4(b) Compare KVM, Xen and Hyper V.
6 M

Solve any one question from Q.5(a,b) &Q.6(a,b,c)
5(a) Discuss the top security concerns for cloud users.
8 M
5(b) Enlist & describe security risks posed by shared images.
8 M

6(a) Describe in brief 'Operating System Security'.
8 M
6(b) Enlist and explain different forms of Trust.
4 M
6(c) Discuss different aspects related to contract between the user and the Cloud Service Provider to minimize security risks.
4 M

Solve any one question from Q.7(a,b) &Q.8(a,b)
7(a) Explain Google App Engine with the help of diagram.
8 M
7(b) State and explain any two cloud computing applications.
8 M

8(a) Explain the storage services offered by Amazon EC2 cloud.
8 M
8(b) Explain the following terms:
i) Partial scan
ii) Full scan
iii) JITAG
6 M
8(b) Write short note on 'Open Nebulla'.
8 M

Solve any one question from Q.9(a,b) &Q.10(a,b)
9(a) Describe Context Aware operational life cycle.
10 M
9(b) Discuss any four common myths about ubiquitous computing.
8 M

10(a) Describe methods to acquire user Inputs related to human centered design.
8 M
10(b) Explain the following service architectural models:
i) Multi tier client service model
ii) Service oriented computing model.
10 M



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