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Given the narrow (usable) audio bandwidth of telephone transmission facility, a nominal SNR of 56dB (400,000), and a distortion level of <0.2%,
a. What is the theoretical maximum channel capacity (Kbps) of traditional telephone lines (POTS)?
b. What is the actual maximum channel capacity?
Determine the Internet bandwidth needs of the medical group and determine the possible providers and expected cost or range of costs for such service.
Input stream to 4B/5B block encoder is 0100 0000 0000 0000 0000 OOOI. Answer the following questions: Determine length of longest consecutive sequence of Os in input?
What characteristics or issues would be pertinent or applicable for implementing this system? Be sure to discuss political, socio-economic, language, currency, educational and any other issues you think are pertinent.
Suppose there is a Certificate Authority (CA) with well-known public key. Further suppose every user is issued a certificate for his/her public key.
Bank Corp. is planning new network. Engineers in design shop should have connections to accountants and salespeople in front officeWhat types of cable will work to make this connection?
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.
Packet switch receives a packet and determines outbound link to which packet should be forwarded. Determine the queuing delay for packet? Show work.
Modify the hosts file to map www.google.com to yahoo's IP address and try to do a google search. Remove the modification to the host file and repeat.
Assume nodes A and Bare on the same 10 Mbps Ethernet bus, and the propagation delay between the two nodes is 325 bit times. The answer is no, if B 's signal reaches A before bit time t = 512 + 64 bits. In the worst case, when does B's signal reach A?
Use the Web to locate two disaster recovery services that could be used by a small business such as Dirt Bikes. Compare them in terms of the services they offer.
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.
What is the most important difference between a symmetric key system and a public key system and in what way does a hash function provide a better message integrity check than a checksum
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