35. Select all items below that are true concerning operation of ARP on an Ether
ID: 3752077 • Letter: 3
Question
35. Select all items below that are true concerning operation of ARP on an Ethernet network a. Packet-receiving router's internetwork process creates an ARP query message and broadcasts it to all hosts on the selected subnet (in the selected router table row) b. ARP query message asks for EUI-48 address from the host with the destination IP address in the packet to be forwarded responds destination host on the subnet c. Only the host with the specifically listed IP address d. Router uses the EUI-48 address to deliver the packet to the 36. IPv4 headers have 13 fields and IPv6 headers have only8 fields, but IPv6 headers are typically longer in bit count a. True b. False 37. Options in IPv4 headers are handled by IPv6 "chained" extension headers by using a code that points to another header or to the data package in the packet a. True b. False 38. A full 128-bit IPv6 address is 2000:0231:0000:0000:0000:09C0:876A:130B. Choose the one item below that contains the correct fully compressed hex notation for this address a. 2000:0231:0000:0000:0000:09C0:876A:130B b. 2000:0231::09C0:876A:130B c. 2000:231:9C0:876A:130B d. 2000:231:0000:0000::9C0:876A:130BExplanation / Answer
35. EUI is an extended unique identifier which is used in combination with a MAC address. ARP does not ask EUI for destination address whereas the router uses this information. Therefore option a, c, and d are correct.
36. True. IPv4 headers have 14 fields and 14th filed is optional and it uses 13 fields. In IPv4 each field has exactly 4 bits whereas Ipv6 have 8 fields wherein each field has 128 bits.
37. True. The optional field available in IPv4 header contains additional information regarding how the packets need to be processed. It is used by IPv6 headers.
38. Rule 1 Leading Zeroes can be omitted. Rule 2 if two or more blocks contain consecutive zeroes then omit it by ::
2000:0231:0000:0000:0000:09C0:876A:130B
Rule 2 satisfies for 0000:0000:0000 it can be replaced by ::
2000:0231::09C0:876A:130B
Option B
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