Podcast
Questions and Answers
What does the physical (PHY) layer (Layer 1 of OSI) govern?
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?
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?
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?
What does the transport layer (Layer 4 in OSI) focus on?
What is the application layer (Layers 5, 6, and 7 in OSI) concerned with?
What is the application layer (Layers 5, 6, and 7 in OSI) concerned with?
What is the purpose of the SLS Handshake step 3?
What is the purpose of the SLS Handshake step 3?
What does the server response header 'Access-Control-Allow-Origin: *' indicate?
What does the server response header 'Access-Control-Allow-Origin: *' indicate?
What is the purpose of the website sending a 'Setup Complete' message to the backend in SLS Handshake?
What is the purpose of the website sending a 'Setup Complete' message to the backend in SLS Handshake?
What is the role of Philips Cloud (Hue) in the Smart Lighting System?
What is the role of Philips Cloud (Hue) in the Smart Lighting System?
What does the bridge POST request to dcs.cb.philips.com indicate in the SLS Handshake?
What does the bridge POST request to dcs.cb.philips.com indicate in the SLS Handshake?
What vulnerability in the Smart Lighting System handshake process allows an attacker to capture SLS information?
What vulnerability in the Smart Lighting System handshake process allows an attacker to capture SLS information?
In the Smart Lighting System handshake, what is the purpose of Step 3?
In the Smart Lighting System handshake, what is the purpose of Step 3?
What is the role of the Philips Bridge in the Smart Lighting System?
What is the role of the Philips Bridge in the Smart Lighting System?
What does the server response header 'WWW-Authenticate : CBAuth' indicate in the Smart Lighting System handshake?
What does the server response header 'WWW-Authenticate : CBAuth' indicate in the Smart Lighting System handshake?
What does the bridge POST request to dcs.cb.philips.com indicate in the Smart Lighting System handshake?
What does the bridge POST request to dcs.cb.philips.com indicate in the Smart Lighting System handshake?