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1. Hot spots (heavily referenced memory locations) are clearly a major problem in multi- stage switching networks. Are they also a problem in bus-based systems?
2. An omega switching network connects 4096 RISC CPUs, each with a 60-nsec cycle time, to 4096 infinitely fast memory modules. The switching elements each have a 5-nsec delay. How many delay slots are needed by a LOAD instruction?
How would you use TI, Frame Relay, ATM or MPLS? How would you use DSL or Cable modems? How would you use VPN? What type of attacks would you expect and how would you protect f
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
Research Point-to-Point (dedicated), Packet Switched, and Circuit Switched WAN protocols/circuits/types. Define each protocol and describe at least two data transmission te
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Protocol 47 or GRE is one of the most flexible IP protocols in networking but it is insecure. Discuss the many uses of GRE and how you could secure it across insecure networ
Suppose the role of IT consultant to new nonprofit organization, Free Flu, which gives flu shots to elderly. Distinguish between any Web pages or Web servers you would use for
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Identify possible network infrastructure vulnerabilities. Address network vulnerabilities with the appropriate security measures. Ensure that consideration is given to virtu
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