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Q1) How long does it take to send a file of 640,000 bits from host A to host B over a circuit-switched network? All links are 1.536 Mbps Each link uses FDM with 24 channels/frequencies 500 msec to establish end-to-end circuit.
Suppose the university has the 128.100.xxx.xxx address range on the Internet. How would you assign the IP addresses to the various subnets?
CBC-pad is a block chiper mode of operation used in RC5 block cipher, but it could be used in any block cipher. That is, if the original plaintext is an integer multiple of the block size, why not refrain from padding?
Formulate an IP that determine a set of disks requiring the minimum amount of storage such that each file is on at least one of the disks.
Write down some popular reconnaissance tools?
It is considered good practice for the sender to pad every message, including messages in which the final message block is already complete. What is the motivation for including a padding block when padding is not needed.
Identify each of the blocks commonly employed and utilize an analogy to sending a physical package to explain what each block does.
Explain whether this is still true today, and write down factors are moving wireless NICs into more dominant role, if any.
Provided that Alice and Bob both suppose that they have the correct public keys for the other party, and supposing that Eve may intercept any messages passed between Alice and Bob, Describe the steps Alice could take in order to ensure that the pub..
Packet switch receives a packet and determines outbound link to which packet should be forwarded. Determine the queuing delay for packet? Show work.
With the advent and increasing popularity of social networking, individuals are connected to everyone but connecting to no one.
Assume that we are working on a workstation with an instruction rate of 500 MIPS. How many instructions can the processor execute between the receipt of each individual bit of the message?
You are hired to design an IP addressing scheme for five departments that will give security and access to Internet. Each department requires between 1,500 - 2,000 IP addresses.
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