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1 the models in this chapter do not discuss availability what unstated assumptions about that service are they making2
1 if one-time pads are provably secure why are they so rarely used in practice2 prove that the des key consisting of
1 prove that two users who perform a diffie-hellman key exchange will have the same shared key2 in the example
1 a network consists of n hosts assuming that cryptographic keys are distributed on a per-hostpair basis compute how
it is often said that breaking rsa is equivalent to factoring the modulus na prove that if n can be factored one can
1a briefly explain how an integrity check value icv may be used in network communication to detect errorsbwhen using an
1 why should salts be chosen at random2 does using passwords with salts make attacking a specific account more
1 explain the advantages of ipv6 when compared to ipv42 explain the use of the flow field in ipv6 what is the potential
1 what is the purpose of including the ip header and the first 8 bytes of datagram data in the error-reporting icmp
1 using the cidr notation show the link local address in which the node identifier is 0123482 using the cidr notation
1 an ipv6 packet consists of a base header and a tcp segment the length of data is 128000 bytes jumbo payload show the
assume you need to write and test a client-server application program on two hosts you have at homea what is the range
1 using the cidr notation show the ipv6 address compatible to the ipv4 address 129612342 using the cidr notation show
1 in which transition strategy do we need to have both ipv4 and ipv6 in the path2 compare and contrast the ipv4 header
assume we want to change the stop-and-wait protocol and add the nak negative ack packet to the system when a corrupted
1 some of the application programs can use the services of two transport-layer protocols udp or tcp when a packet
using 5-bit sequence numbers what is the maximum size of the send and receive windows for each of the following
1 assume a private internet uses a protocol suite totally different from the tcp ip protocol suite can this internet
1 in tcp does a fin segment close a connection in only one direction or in both directions2 in tcp what type of flag
1 we said that tcp provides a connection-oriented service between the two application programs a connection in this
1 in tcp can the sender window be smaller larger or the same size as the receiver window2 can you mention some tasks
1 is the use of checksum for error control optional or mandatory ina udpb tcp2 assume a tcp server expects to receive
1 in sctp a packet is carrying two data chunks each containing 22 bytes of user data what is the size of each data
assume a tcp client is expecting to receive byte 3001 it receives a segment with the sequence number 3001 that carries
1 the maximum window size of the tcp was originally designed to be 64 kb which means 64 times 1024 65536 or actually