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Question - Subnetting
Consider the following scenarios -
A) You are an ISP that has been assigned a class B network with the address 145.34.0.0. You know you will service 200 to 250 small companies.
B) You are a medium-sized company assigned a class B network 156.26.0.0. You have seven divisions and want to assign each of them their own subnet.
C) You are a small company, of around 100 employees, assigned a class C network. You need to provide three LANs to each of the administration, marketing, and development departments.
For each of these cases answer the following questions:
How would you divide up your network to satisfy the requirements? Up to how many hosts can there be in each subnet? Show the slash notation for the subnets and the subnet mask. Is the subnet mask the same for each subnet? For a few of the subnets, show the network address and the broadcast address for the subnet. Are these resulting subnets class C networks?
What are the many groups of people who are involved with computer security? Name the groups and elaborate on their functions.
Locard's Exchange Principle, electronic crime scene, modules or DLLs a process, router forensics, Configuration and user, Local logs process and memory, Network Information, File system, Portray the NTP vulnerability of some Cisco IOS routers
Islamic calligraphy or Arabic calligraphy is a primary form of art for Islamic visual expression and creativity.
Do some research and report a recent information security incident. How could this incident have been avoided? What management challenges did this incident present?
Prescribe a security strategy for a corporate WAN. Be sure to include methods to combat both technical and nontechnical attacks. C
What password protection measures are normally implemented by system administrators, operating systems, and security services? Describe the pros and cons of enabling audits of resource accesse
Students would enter the room, pick up their jobs, and leave. What kinds of security problems might computer services encounter with a system such as this?
User A and B use Diffie-Hellman algorithm to exchange a shared key and generate public keys of their own. Consider a common prime number q=71If user A has private key=5, what is A's public key?
Suppose that you run a photography printing store. Your workers have been using punch cards for time entry since you started the business.
Assume the sqquence number space is of size k. Determine the largest allowable sender window which will avoid the happening of problems of these protocols?
Compute the entry in the RijndaelS-box
Information Technology infrastructure groups are often responsible for direct customer interaction and associated customer service.
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