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suppose hosts a and b are on an ethernet lan with class c ip network address 20000 it is desired to attach a host c to
suppose a set of routers all use the split horizon technique we consider here under what circumstances it makes a
consider the simple network in figure 450 in which a and b exchange distance vector routing information all links have
suppose a router has built up the routing table shown in table 414 the router can deliver packets directly over
suppose we have the forwarding tables shown in table 412 for nodes a and f in a network where all links have cost 1
for the network given in figure 448 show how the link-state algorithm builds the routing table for node dfigure
suppose a tcp message that contains 2048 bytes of data and 20 bytes of tcp header is passed to ip for delivery across
path mtu is the smallest mtu of any link on the current path route between two hosts assume we could discover the path
having arp table entries time out after 10-15 minutes is an attempt at a reasonable compromise describe the problems
ip currently uses 32-bit addresses if we could redesign ip to use the 6-byte mac address instead of the 32-bit address
suppose hosts a and b have been assigned the same ip address on the same ethernet on which arp is used b starts up
suppose an ip implementation adheres literally to the following algorithm on receipt of a packet p destined for ip
why do you think ipv4 has fragment reassembly done at the endpoint rather than at the next router why do you think ipv6
atm aal34 uses fields btagetag basizelen type seq mid length and crc-10 to implement fragmentation into cells ipv4 uses
what is the maximum bandwidth at which an ip host can send 576-byte packets without having the ident field wrap around
suppose the fragments of figure 45b all pass through another router onto a link with an mtu of 380 bytes not counting
suppose an ip packet is fragmented into 10 fragments each with a 1 independent probability of loss to a reasonable
tcp is a very symmetric protocol but the clientserver model is not consider an asymmetric tcp-like protocol in which
when tcp sends a syn sequencenum x or fin sequencenum x the consequent ack has acknowledgment x 1 that is syns
the rpc-based nfs remote file system is sometimes considered to have slower than expected write performance in nfs a
what aspect of ip addresses makes it necessary to have one address per network interface rather than just one per host
suppose blast runs over a 10-mbps ethernet sending 32k messagesa if the ethernet packets can hold 1500 bytes of data
suppose tcp were to be used as the underlying transport in an rpc protocol one tcp connection is to carry a stream of
consider a sun rpc client sending a request to a servera under what circumstances can the client be sure its request
suppose an rpc request is of the form increment the value of field x of disk block n by 10 specify a mechanism to be