Sol13 - CHAPTER 13 Local Area Networks: Ethernet Solutions...

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1 CHAPTER 13 Local Area Networks: Ethernet Solutions to Review Questions and Exercises Review Questions 1. The preamble is a 56-bit field that provides an alert and timing pulse. It is added to the frame at the physical layer and is not formally part of the frame. SFD is a one- byte field that serves as a flag. 2. An NIC provides an Ethernet station with a 6-byte physical address. Most of the physical and data-link layer duties are done by the NIC. 3. A multicast address identifies a group of stations; a broadcast address identifies all stations on the network. A unicast address identifies one of the addresses in a group. 4. A bridge can raise the bandwidth and separate collision domains. 5. A layer-2 switch is an N-port bridge with additional sophistication that allows faster handling of packets. 6. In a full-duplex Ethernet , each station can send data without the need to sense the line. 7.
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This homework help was uploaded on 04/18/2008 for the course JAVA CDA 4506 taught by Professor Eisler during the Spring '08 term at University of Central Florida.

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Sol13 - CHAPTER 13 Local Area Networks: Ethernet Solutions...

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