You plug a new laptop into a wired Ethernet jack for the first time. You have al
ID: 3773685 • Letter: Y
Question
You plug a new laptop into a wired Ethernet jack for the first time. You have already told the network administrators your MAC address, and can join the network with no further action on your part. Assume that: 1. your DHCP server is 171.64.7.77, 2. your Ethernet address is 00:11:22:33:44:55 3. the IP address you'll be given is 171.64.7.22 4. the gateway IP address is 171.64.7.1 5. the gateway Ethernet address is 00:66:77:88:99:00 6. the netmask is 255.255.255.0 Let's consider the series of packet exchanges that will occur on the link for your laptop to send a single IP packet to 128.30.2.1. We assume that no packets are lost or discarded, and that no other packets are exchanged on the link. a) Which of the following protocols are necessary involved ? (there is at least one correct answer, but there may be more) IP ARP UDP ICMP DHCP b) How many packets will transit on the link ? Answer is an integer. c) In which packet (sent or received) will your IP address be mentioned for the first time ? (there is at least one correct answer, but there may be more) the 1st packet the 2nd packet the 3rd packet the 4th packet the 5th packet d) How many packets (sent or received) contain the Ethernet address of the gateway ? (there is at least one correct answer, but there may be more) 0 1 2 3 4 e) How many packets (sent or received) contain the IP address of the DHCP server ? (there is at least one correct answer, but there may be more) Answer is an integer. You plug a new laptop into a wired Ethernet jack for the first time. You have already told the network administrators your MAC address, and can join the network with no further action on your part. Assume that: 1. your DHCP server is 171.64.7.77, 2. your Ethernet address is 00:11:22:33:44:55 3. the IP address you'll be given is 171.64.7.22 4. the gateway IP address is 171.64.7.1 5. the gateway Ethernet address is 00:66:77:88:99:00 6. the netmask is 255.255.255.0 Let's consider the series of packet exchanges that will occur on the link for your laptop to send a single IP packet to 128.30.2.1. We assume that no packets are lost or discarded, and that no other packets are exchanged on the link. a) Which of the following protocols are necessary involved ? (there is at least one correct answer, but there may be more) IP ARP UDP ICMP DHCP b) How many packets will transit on the link ? Answer is an integer. c) In which packet (sent or received) will your IP address be mentioned for the first time ? (there is at least one correct answer, but there may be more) the 1st packet the 2nd packet the 3rd packet the 4th packet the 5th packet d) How many packets (sent or received) contain the Ethernet address of the gateway ? (there is at least one correct answer, but there may be more) 0 1 2 3 4 e) How many packets (sent or received) contain the IP address of the DHCP server ? (there is at least one correct answer, but there may be more) Answer is an integer.Explanation / Answer
. a) Which of the following protocols are necessary involved ? (there is at least one correct answer, but there may be more)
IP ARP
b) How many packets will transit on the link ?
4
c) In which packet (sent or received) will your IP address be mentioned for the first time ?
the 3rd packet
d) How many packets (sent or received) contain the Ethernet address of the gateway ? (there is at least one correct answer, but there may be more)
2
e) How many packets (sent or received) contain the IP address of the DHCP server ? (there is at least one correct answer, but there may be more) Answer is an integer.
10
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