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Assume a host computer has the following configuration: IP Address: 145.20.110.176 Subnet Mask: 255.255.0.0 Default Gateway: 145.20.1.1 a. What is the Class of this network? b. Has this network been sub-netted? How do you know? c. How many IP addresses would there be on the above network (show your work)? d. How would this IP address be expressed using CIDR notation (show your work)? e. What is the range of the block of addresses this Host belongs to using CIDR notation? f. Give the network address and the broadcast address of the network this Host belongs to.
You are a owner of the register trademark, and you just found that domain name is being held hostage for large sum of money. In around 300 words, Explain the steps which you would take to stop cybersquatter.
The law of diminishing returns says that you get a smaller and smaller return (benefit) as you invest more and more. An example would be: if you spend $100 on insulating your home
What would the value of the field containing the parity bits be for the case of a two-dimensional parity scheme? Your answer should be such that a minimum-length checksum field is used.
Create the technology survey of LANs, which means for each LAN determine (or create): Hardware (# of computers, printers, etc.) CPU architecture (Intel, RISC, etc)
Describe the advantages and disadvantages of several different Web 2.0 technologies. How could these technologies be used for good? What types of problems might these technologies cause?
If you have a class B network and want to divide it into subnets, each with 126 hosts, which subnet mask should you use? What are the four addresses (broadcast and network number) for the network starting at 131.204.18?
What resources are available on the Internet to help system administrators determine how to harden a Windows Server 2008? Windows 7 workstation? (List at least three resources in your response.)
Compute the total time required to transfer a 1000KB file on a 1Mbps link with an RTD of 100msec ans a packet size of 1 KB in the following cases.a).
Deduce the expression for link utilization U of a data link which uses sliding-window flow control and returns ACK for every OTHER frame received.
Analyze the advantages and disadvantages of using mobile computing technology to monitor patients.
Given the need for secure, online business communications, analyze network security threats and vulnerabilities and design network security solutions
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.
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