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- 1. Multiple Choice
Which of the following functions are performed by the OSI Transport layer? (Select three.)
Reliable message delivery
Data segmentation and reassembly
End-to-end flow control
Format packets for delivery through the media
Control media access, logical topology, and device identification
- 2. Multiple Choice
What is the basic purpose of the OSI Physical layer?
Coordinates rules for routing packets
Coordinates rules for managing network servers
Coordinates rules for transmitting bits.
Defines basic physical structures, such as disks.
- 3. Multiple Choice
Which of the following are included as part of Data Link layer specifications? (Select two.)
Mapping hardware addresses to link-layer addresses
Defining a unique hardware address for each device on the network
Creating routing tables based on MAC addresses
Letting devices on the network have access to the LAN
- 4. Multiple Choice
Which OSI model layer is responsible for guaranteeing reliable message delivery?
Session
Data Link
Transport
Application
- 5. Multiple Choice
In the OSI model, what is the primary function of the Network layer?
Allows applications to establish, use, and end a connection
Transmits data frames
Ensures that packets are delivered with no loss or duplication
Routes messages between networks
- 6. Multiple Choice
Which of the following tasks is associated with the Session layer?
Transmission synchronization
Host ID number assignment
Connection establishment
Acknowledgement coordination
- 7. Multiple Choice
In the OSI model, which of the following functions are performed at the Presentation layer? (Select two.)
Specify data format (such as file formats)
Handle general network access, flow control, and error recovery
Encrypt and compress data
Provide network services
Transmit data frames
- 8. Multiple Choice
Which of the following functions are performed at the Physical layer of the OSI model?
Provisioning environments where you can run network applications
Data translation
Conversation identification
Moving data across network cables
Enabling network services
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