LAN Switching and Wireless

521. The _________ layer enables the users to access the network.

1. transport
2. application
3. data link
4. physical

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522. The _________ layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format.

1. transport
2. network
3. data link
4. presentation

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523. The _________ layer establishes, maintains, and synchronizes the interactions between communicating devices.

1. transport
2. network
3. session
4. physical

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524. The _________ layer is responsible for delivering data units from one station to the next without errors.

1. transport
2. network
3. data link
4. physical

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525. The _________ layer is responsible for moving frames from one hop (node) to the next.

1. physical
2. data link
3. transport
4. none of the above

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526. The _________ layer is responsible for the movement of a signal across a physical line.

1. section
2. line
3. path
4. photonic

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527. The _________ layer is responsible for the movement of a signal across a physical section.

1. section
2. line
3. path
4. photonic

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528. The _________ layer is responsible for the movement of a signal from its optical source to its optical destination.

1. section
2. line
3. path
4. photonic

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529. The _________ layer is responsible for the process-to-process delivery of the entire message.

1. transport
2. network
3. data link
4. physical

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530. The _________ layer is responsible for the source-to-destination delivery of a packet across multiple network links.

1. transport
2. network
3. data link
4. physical

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