WorksheetsChapter 2 CYS233
Total questions: 20
Worksheet time: 10mins
What is protocol layering?
The process of dividing complex communication into simpler tasks
A system for sending data packets
A method for encrypting data
None of the above
In a single-layer protocol, communication occurs:
Only at the application level
In a single layer between sender and receiver
Across multiple layers
None of the above
Which of the following is an advantage of protocol layering?
Complexity of tasks increases
Allows separation of services from implementation
All layers must use the same protocols
None of the above
According to the principles of protocol layering, bidirectional communication requires:
One layer to handle both tasks in opposite directions
Separate layers for each task
A single protocol for both sending and receiving
None of the above
The OSI model was established by:
The TCP/IP group
ISO (International Organization for Standardization)
The Internet Engineering Task Force (IETF)
The Open Systems Networking Group
The primary purpose of the OSI model is to:
Simplify hardware architecture
Facilitate communication between different systems
Provide a coding framework
None of the above
Which of the following is NOT one of the layers of the OSI model?
Transport
Application
Logical
Data Link
The Physical Layer of the OSI model is responsible for:
Routing packets across the network
Providing a physical interface for data transmission
Managing communication between applications
None of the above
Which layer of the OSI model is responsible for reliable data transfer and error correction?
Physical Layer
Data Link Layer
Network Layer
Transport Layer
The Network Layer in the OSI model handles:
End-to-end communication
Routing and addressing packets
Application communication
None of the above
The Transport Layer ensures:
Reliable data delivery between applications
Data is packaged for network transmission
Physical transmission of bits
None of the above
The Session Layer in the OSI model is responsible for:
Managing dialogues between end systems
Encrypting data
Error checking in packets
Physical transmission of data
Which OSI layer handles the format of the data exchanged between communicating entities?
Session Layer
Presentation Layer
Network Layer
Application Layer
The Application Layer of the OSI model interacts with:
Physical hardware
Application programs and services
Data transmission protocols
None of the above
Encapsulation in the OSI model involves:
Encrypting data as it moves down the layers
Adding headers to data as it moves down the layers
Compressing data
None of the above
What is the primary function of the TCP/IP protocol suite?
Provide a set of protocols for secure communication
Facilitate communication over the Internet
Manage the physical connections of a network
None of the above
In the TCP/IP protocol suite, the highest layer is:
Application
Network
Data Link
Transport
The Transport Layer in TCP/IP is responsible for:
Providing logical addressing
Routing data through the network
End-to-end communication between processes
Encrypting data
What is the purpose of addressing in TCP/IP?
To define the physical location of devices
To assign unique identifiers to devices on the network
To secure data packets
None of the above
The Data Link Layer in the TCP/IP model corresponds to which OSI layer?
Physical Layer
Data Link Layer
Network Layer
Transport Layer
