Internet of Things (ME-702 (B)) - Important Questions

Core Unit 4 protocol question on CoAP; repeated across multiple years in past papers.

Focused on CoAP operations; appeared as a distinct question in past papers.

Specific subpart asking about CoAP's request-response behaviour; short-mark focused question.

Core publish/subscribe protocol question; repeated across several examinations.

Covers application layer protocols and comparison between AMQP and MQTT including WebSockets usage.

Direct question on AMQP features/components and frame types; appeared in recent past paper.

PHY/MAC-layer protocol relevant to IoT; appears regularly across exams (listed in top recurring questions).

Data analytics role in IoT is a recurring conceptual question across multiple years.

Security-focused protocol variant of MQTT asked in past papers; part of the security topic cluster.

Lightweight messaging protocol for IoT; appeared as a named short question.

ZigBee topic asked as a short question focusing on types and variants.

High-frequency topic cluster covering security: attacks, vulnerabilities, authentication mechanisms and IoT-specific security protocols (SMQTT, X.509 etc.). Aggregated from past-paper frequency heatmap.