QUESTION: 5

Which of the following best describes the process of encapsulation?

As data is processed by an application, special tags are added to mark
the beginning of each block.
As packets are received at a device, the low-level drivers add information
indicating the source protocols.
As data units are passed down the protocol stack, each layer adds information
appropriate to the function of that layer.
As each message is processed by a protocol on the transmitting end, the
partner protocol on the receiving end builds an entry iii the connection
table.

Answer(s): C

QUESTION: 6

Which choice shows the correct ordering of protocol data units, starting from the highest level (application layer) to the lowest level (physical layer)?

Packet, frame, Data, bits
Packet, data, frame, bits
Data, segment, packet, frame
Message, Segment, frame, packet

Answer(s): C

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A customer wants to design an inexpensive LAN infrastructure so that the rest of the network is not disrupted when a single cable is disconnected.
Which physical topology is most appropriate for the customer to use?

Bus
Star
Ring
Mesh

Answer(s): B

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QUESTION: 8

Which logical topology is implemented in an IEEE 802.5 network?

Bus
Ring
Star
Partial mesh

Answer(s): B

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QUESTION: 5

QUESTION: 6

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QUESTION: 8

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