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WorksheetsOSI Model and Recent Cybersecurity Exploits
Total questions: 32
Worksheet time: 16mins
What is the data unit (PDU) for Layer 4 (Transport)?
Bit
Frame
Packet
Segment
What is the primary function of Layer 7 (Application) in the OSI Model?
Data translation and encryption
End-to-end communication
Network services for applications
Physical addressing and error detection
Which layer is associated with routing and path determination?
Layer 1 (Physical)
Layer 2 (Data Link)
Layer 3 (Network)
Layer 4 (Transport)
Which layer of the OSI Model is responsible for managing and terminating communication sessions?
Layer 5 (Session)
Layer 3 (Network)
Layer 4 (Transport)
Layer 6 (Presentation)
What type of attack surged by 160% in 2025 due to the expansion of cloud-connected apps?
WPA3 Dragonfly Flaws
Token Theft
Stealthy BGP Hijacking
API Injection attacks
Which exploit targets the negotiation phase of TLS 1.3?
Hyper-volumetric DDoS
Signal Jamming
Downgrade Attacks
Dragonblood attacks
What was the impact of the Aisuru Botnet Record attack in Q3 2025?
Layer 1 and Layer 2
Layer 3 and Layer 5
Layer 4 and Layer 7
Layer 6 and Layer 1
What is the primary function of Layer 6 (Presentation)?
Routing and path determination
End-to-end communication
Data translation and encryption
Physical addressing
Which layer is primarily concerned with the transmission of raw bitstreams?
Layer 4 (Transport)
Layer 3 (Network)
Layer 2 (Data Link)
Layer 1 (Physical)
What is the role of Layer 2 (Data Link) in the OSI Model?
Managing communication sessions
Transferring data between adjacent nodes
End-to-end communication
Data translation and encryption
What type of attack uses sophisticated SYN floods to overwhelm server connection tables?
Dragonblood attacks
Downgrade Attacks
Hyper-volumetric DDoS
Stealthy BGP Hijacking
Which exploit allows for password partition and denial-of-service in WPA3?
Dragonblood attacks
Signal Jamming
Token Theft
API Injection
What type of attack involves stealing browser cookies to bypass Multi-Factor Authentication?
Token Theft
Deepfake attacks
API Injection
Signal Jamming
What type of attack involves using generative AI to create real-time voice phishing?
Hyper-volumetric DDoS
Token Theft
Downgrade Attacks
AI-Driven Phishing
What is the role of Layer 5 (Session) in the OSI Model?
Routing and path determination
Data translation and encryption
Maintaining dialogue between devices
Data transfer coordination
Which layer is responsible for physical addressing and error detection on the local link?
Layer 4 (Transport)
Layer 1 (Physical)
Layer 2 (Data Link)
Layer 3 (Network)
What is the data unit (PDU) for Layer 2 (Data Link)?
Segment
Frame
Bit
Packet
What was the financial impact of the deepfake CFO corporate theft?
$30 million
$25 million
$15 million
$10 million
Which layer is associated with the physical medium of transmission?
Layer 1 (Physical)
Layer 4 (Transport)
Layer 2 (Data Link)
Layer 3 (Network)
What is the role of Layer 4 (Transport) in the OSI Model?
Data translation and encryption
Routing and path determination
Maintaining dialogue between devices
Data transfer coordination
What is the primary function of Layer 3 (Network)?
Data translation and encryption
Routing and path determination
End-to-end communication
Maintaining dialogue between devices
What type of attack targets sub-prefixes to redirect traffic without alerts?
Stealthy BGP Hijacking
Token Theft
Dragonblood attacks
Hyper-volumetric DDoS
Which layer is primarily concerned with network services for applications?
Layer 5 (Session)
Layer 6 (Presentation)
Layer 7 (Application)
Layer 4 (Transport)
What is the data unit (PDU) for Layer 1 (Physical)?
Packet
Frame
Segment
Bit
What type of attack involves the use of rogue USB devices?
Token Theft
Rogue Devices
Signal Jamming
Deepfake attacks
Which layer is responsible for establishing, managing, and terminating sessions between applications?
Layer 3 (Network)
Layer 5 (Session)
Layer 4 (Transport)
Layer 2 (Data Link)
What type of attack exploits vulnerabilities in web applications to inject malicious scripts?
SQL Injection
Token Theft
Phishing
Signal Jamming
What is the primary function of Layer 1 (Physical)?
Transmission of raw bitstreams
Data translation and encryption
Routing and path determination
Maintaining dialogue between devices
What type of attack involves manipulating the data in transit to gain unauthorized access?
SQL Injection
Man-in-the-Middle Attack
Phishing
Token Theft
What is the data unit (PDU) for Layer 6 (Presentation)?
Message
Packet
Frame
Data
What is the primary function of Layer 7 (Application) in the OSI Model?
Maintaining dialogue between devices
Data transfer coordination
Network services for applications
Routing and path determination
What is the data unit (PDU) for Layer 5 (Session)?
Message
Packet
Frame
Segment
