3. Below is the layout example of an Ethernet II frame. We will explore how data...
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3. Below is the layout example of an Ethernet II frame. We will explore how data link layer and physical layer work together. (14 points) 80 00 20 7A 3F 3E Destination MAC Address 80 00 20 20 3A AE Source MAC Address MAC Header (14 bytes) 08 00 Ether Type Binary 00001001 10100111 11111111 01001100 IP, ARP, etc. Payload *** Data (46-1500 bytes) a) Please identify and convert the hexadecimal serial number (not OUI) (3 bytes) in the source MAC address in the figure to binaries. Please use one column for each octect (e.g.. 0A 00001010). (3 points) 4 Serial Number 1st byte Hexadecimal Binary b) Assume we are sending 00001001 10100111 11111111 01001100 i) What are these four octects in decimal? (4 points) Decimal 2nd byte 00 20 20 3A CRC Checksum (4 bytes) 3rd byte c) We are sending 114 bytes payload with an Ethernet II frame, what is the transmission efficiency? (3 points) (Hint: don't forget preamble and between-frame overheads.) 43 d) In the below diagram, which signaling technique was used? Why? (2 points) 1 0 1 0 0 1 1 1 HAH HH 3. Below is the layout example of an Ethernet II frame. We will explore how data link layer and physical layer work together. (14 points) 80 00 20 7A 3F 3E Destination MAC Address 80 00 20 20 3A AE Source MAC Address MAC Header (14 bytes) 08 00 Ether Type Binary 00001001 10100111 11111111 01001100 IP, ARP, etc. Payload *** Data (46-1500 bytes) a) Please identify and convert the hexadecimal serial number (not OUI) (3 bytes) in the source MAC address in the figure to binaries. Please use one column for each octect (e.g.. 0A 00001010). (3 points) 4 Serial Number 1st byte Hexadecimal Binary b) Assume we are sending 00001001 10100111 11111111 01001100 i) What are these four octects in decimal? (4 points) Decimal 2nd byte 00 20 20 3A CRC Checksum (4 bytes) 3rd byte c) We are sending 114 bytes payload with an Ethernet II frame, what is the transmission efficiency? (3 points) (Hint: don't forget preamble and between-frame overheads.) 43 d) In the below diagram, which signaling technique was used? Why? (2 points) 1 0 1 0 0 1 1 1 HAH HH
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The question is in multiple parts addressing different concepts related to the Ethernet II frame Lets address each part one by one a Identify and conv... View the full answer
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Computer Networking A Top-Down Approach
ISBN: 978-0133594140
7th edition
Authors: James Kurose, Keith Ross
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