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Problem
Assume we have a very simple message digest. Our unrealistic message digest is just one number between 0 and 25. The digest is initially set to 0. The cryptographic hash function adds the current value of the digest to the value of the current character (between 0 and 25). Addition is in modulo 26. What is the value of the digest if the message is "HELLO"? Why is this digest not secure?
question 1a describe the following security services confidentiality availabilityb explain known plaintext attack?c
Suppose the university has the 128.100.xxx.xxx address range on the Internet. How would you assign the IP addresses to the various subnets?
Describe Ethernet, wireless, and dial-up modem architectures, and discuss the advantages and disadvantages of them.
Describe the network configuration that will address the needs of the organization. Topic coverage should include DNS, DHCP, network protocols, WINS, IP Routing, and Certificate Services
Briefly explain the following three methods of connecting to Internet: Cable Internet service, digital subscriber line, and dial-up Internet service.
What command is used to enter the router's privileged mode?
The standard says that IF software must arrange to deliver a copy of any outgoing multicast datagram to application programs on the host.
Network Topology and Wiring.the use of network topologies in health care organizations Address the following points:What are the network topologies? How are they described?
envision that you are a network administrator for a company. you are tasked with implementing a business process in
Why is it important to analyze needs in terms of both application systems and users?- Describe the key parts of the technology design step.
Describe the general type of WAN connections and network hardware that will be used to interconnect the offices. Consider the following while responding:
Describe a local land line phone system based on the following Landline Telephone Components. Define and describe the following Telecommunications Network Components.
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