JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD MCA 2023 INTERNET OF THINGS Previous Question Paper (March/April - 2023 - R20)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
Explain the features of IoT.
Answer
The key features of IoT include:
- Connectivity: Enables devices to communicate with each other and cloud platforms through various protocols.
- Intelligence: Devices collect data and perform local processing or trigger actions based on analytics.
- Scalability: The ability to support a massive number of devices and data streams simultaneously.
- Dynamic Nature: Devices can join or leave the network, and their status changes in real-time.
- Security: Protecting endpoints, data, and communication channels from unauthorized access.
Explain key elements of NFV.
Answer
Network Functions Virtualization (NFV) decouples network functions from proprietary hardware. Its key elements are:
- Virtual Network Functions (VNFs): Software-based implementations of network functions (e.g., firewalls, routers) that run on standard servers.
- NFV Infrastructure (NFVI): The hardware and software resources (compute, storage, networking) that host the VNFs.
- NFV Management and Orchestration (MANO): The framework responsible for managing the lifecycle of VNFs and coordinating the NFVI resources.
What is typecasting? Explain using Python code.
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Give the status of LED in Raspberry Pi.
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What is the application of Django frame work?
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Part B
Describe functional blocks of IoT.
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Explain link layer protocols of IoT.
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Elaborate different communication models of IoT.
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Describe how IoT system is useful in lifestyle.
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Compare M2M vs IoT.
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Describe layered architecture of Software Define Network.
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Write the need of IoT system management.
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Explain components of IoT system management with NETCONF.
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Explain range, pass statements and illustrate with an example Python code.
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What is tuple? Explain its operations in Python.
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Define Module and explain with an example of Python code.
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What JSON package? Encode and decode message in Python.
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Explain components of Raspberry Pi.
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Write Python program for controlling LED using Switch.
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Give Python code for sending an Email using Raspberry board.
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Write steps to read data from Raspberry Pi.
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Describe WAMP protocol in detail.
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List out the steps to sending data to Xively cloud.
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Explain Model of Django.
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Explain REST based communication APIs.
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