IoT Basic Concepts Quiz

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What does the physical (PHY) layer (Layer 1 of OSI) govern?

End-to-end communication

How each device is physically connected to the network with hardware (correct)

Application-level messaging

Logical addressing

What do protocols at the link layer (Layer 2 of OSI) focus on?

Reliability and congestion avoidance

End-to-end communication

Application-level messaging

Physical addressing and how switches deliver frames to devices on the network (correct)

Which layer of OSI maps to the Internet Layer?

Layer 1 of OSI

Layers 5, 6, and 7 in OSI

Layer 3 (network layer) (correct)

Layer 4 in OSI

What does the transport layer (Layer 4 in OSI) focus on?

End-to-end communication and reliability Signup and view all the answers

What is the application layer (Layers 5, 6, and 7 in OSI) concerned with?

Application-level messaging Signup and view all the answers

What is the purpose of the SLS Handshake step 3?

To prove physical access to the bridge Signup and view all the answers

What does the server response header 'Access-Control-Allow-Origin: *' indicate?

Unrestricted access to the server from any origin Signup and view all the answers

What is the purpose of the website sending a 'Setup Complete' message to the backend in SLS Handshake?

To complete the user registration process Signup and view all the answers

What is the role of Philips Cloud (Hue) in the Smart Lighting System?

Serving as a bridge between the internet and the system Signup and view all the answers

What does the bridge POST request to dcs.cb.philips.com indicate in the SLS Handshake?

Proving physical access to the bridge Signup and view all the answers

What vulnerability in the Smart Lighting System handshake process allows an attacker to capture SLS information?

The server response header 'Access-Control-Allow-Origin: *' Signup and view all the answers

In the Smart Lighting System handshake, what is the purpose of Step 3?

Proving physical access to the bridge Signup and view all the answers

What is the role of the Philips Bridge in the Smart Lighting System?

Establishing a connection with the Philips Cloud (Hue) Signup and view all the answers

What does the server response header 'WWW-Authenticate : CBAuth' indicate in the Smart Lighting System handshake?

Authentication method used by the server Signup and view all the answers

What does the bridge POST request to dcs.cb.philips.com indicate in the Smart Lighting System handshake?

Establishing a connection with the Philips Cloud (Hue) Signup and view all the answers

IoT Basic Concepts Quiz

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