Computer Networking
Which of the following technique is used for encapsulation?

All of these
None of these
a technique used in best-effort delivery systems to avoid endlessly looping packets.
One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame.

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Computer Networking
What is the purpose of flow control?

To ensure that data is retransmitted if an acknowledgment is not received.
To provide a means for the receiver to govern the amount of data sent by the sender.
To reassemble segments in the correct order at the destination device.
To regulate the size of each segment.

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Computer Networking
You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?

The switch port the host is connected to is not configured to the correct VLAN membership.
The VTP configuration on the switch is not updated for the new host.
The router is not configured for the new host.
The host has an invalid MAC address.

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