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Q1) What authentication factor is being used by an authenticating server that responds to login request by generating a random number or code, and expecting to receive that code plus a secret password in return?
Explain authentication and authorization. Which depends on the other? How and why are these processes more complex in a modern networked organization.
If the poll bit is on in the sixth frame, what will be the N(R) count back from the secondary after the last frame? Assume error-free operation.
Large wide area network covers United States and has multiple nodes in evey state. Node in Denver crashes completely. How do other nodes in the country determine about the crash if RIP is used? If OSPF is used?
Dog can travel to your side, wherever you may be, at 18 km/hour. For what range of distances does dog have a higher data rate than 155 Mbps ATM line?
safekeeping posture of enterprise (venture) wired and wireless LANs (WLANs), steps listed in OWASP, Securing User Services, IPV4 ip address, IPV6 address format, V4 address, VPN, Deploying Voice over IP, Remote Management of Applications and Ser..
What size of packet will result in the last bit being transmitted just as the first bit of the packet arrives at the "far end" of the cable?
How could you interconnect the two areas? Assuring that the network has immunity from the interference; re-evaluate your choice explaining the best medium(s) to utilize.
Consider transferring an enormous file of L bytes. What is the maximum value of L such that TCP sequence numbers are not exhausted? Give proper justification?
Describe how Web caching can reduce the delay in receiving a requested object. Will Web caching reduce the delay for all objects requested by a user
Investigate the methods by which users could gain access to the network. Pay particular attention to: The problems of having open access for all users.
When a message travels from source to destination through two routers, how many times the message M is modified before it reaches to the destination as M. Show your work to determine this number.
What were the most important things Cisco managers did right, i.e., where had the ERP team been "smart'? How did Cisco manage unanticipated problems?
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