(SEM V) THEORY EXAMINATION 2022-23 PRIVACY AND SECURITY IN IOT
Course: B.Tech (Semester V) Subject: Privacy and Security in IoT
Subject Code: KOT-054 Duration: 3 Hours
Total Marks: 100
Instructions: Attempt all sections. Assume suitable data wherever required.
Section A — Short Answer Questions (2 × 10 = 20 Marks)
Attempt all:
Define Authentication and Authorization.
Illustrate the need for Security Requirements in IoT.
What is a Digital Signature?
Differentiate between Public key and Private key.
What are the 4 components of IAM (Identity and Access Management)?
Why do we need Identity and Access Management?
Mention some security attacks on trust metrics.
How is data disseminated in IoT?
Write some cloud services offered to IoT.
Give two applications that use IoT with Cloud.
Section B — Descriptive Questions (10 × 3 = 30 Marks)
Attempt any three:
What is the Internet of Things (IoT)? Explain components required to design an IoT device with an example.
Define cryptographic controls built into IoT messaging and communication protocols.
What is IoT IAM infrastructure?
Why is trust management important in IoT? Explain a few trust metrics and their importance.
Explain how cloud is related to IoT architecture.
Section C — Long Answer Questions (10 × 5 = 50 Marks)
Q3.
(a) How can we secure the Internet of Things?
or
(b) Explain Security Architecture in IoT and discuss attacks specific to IoT.
Q4.
(a) What are the three most secure encryption techniques in IoT?
or
(b) Explain the role of cryptography in IoT and describe the four key pillars of cryptography in detail.
Q5.
(a) Define Authorization with Publish and Subscribe schemes.
or
(b) Explain all Access Management solutions for IoT.
Q6.
(a) Write short notes on:
(i) Trust for IoT and Trust Model
(ii) Privacy Preservation for IoT
or
(b) Explain Lightweight and Robust Schemes for IoT privacy protection.
Q7.
(a) Explain Device Security and Privacy in IoT cloud environments.
or
(b) Discuss why cloud usage increases security breaches in IoT and suggest solutions.
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