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Bob believes that he has come up with a nifty hash function. He assigns a numeric value VChar to each letter in the alphabet equal to the letter's position in the alphabet, i.e., VA = 1, VB = 2, ..., VZ = 26. For a message, he calculates the hash value H = (VChar 1 x VChar 2 x VChar 3 ...x VChar N) mod(26). Bob uses this function to send a one-word message, LARGE, to his banker Bill, along with his calculated hash value for the message. Alice is able to intercept the message, and generates an alternative message that has a hash value that collides with Bob's original hash value. Show.
Research three web browsers. For each browser, try to use it to at least access, if not actively work with, each of the following type of common web sites.
There is an alphabet soup of protocols in TCP/IP - HTTP,FTP,SMTP,POP3,TCP,UDP,IP,ARP,ICMP, and others. What are the characteristics of these protocols? What are they used for?
Describe its physical layer standard this access method should rely on. What types of infrastructure upgrades are necessary to implement your suggested network?
You are administrator of a client-server environment. What type of network would you install and how would pieces and components of this network relate to each other?
You note that peak network utilization occurse at approximately noon, when most of your employees are on lunch break. What could be causing the speak activity?
What are some immediate differences in the two protocols? Does IPv6 provide operational improvement, as well as increased address space?
Research network address translation (NAT). While conducting your research, consider purpose of NAT, compatibility with IPv6, and functions of automatic IP assignment and automatic name resolution.
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..
Can they use virtual private network and tunneling protocol, or is a better technique available? Justify your answer.
you are asked to investigate and write a report on using Internet phone and the company's existing LAN to replace the company's PBX.
Determine no. of foll. devices that could be accommodated by T1-type TDM line if 1% of line capacity is reserved for synchronization purposes.
Discuss the role of Technology in improving the relationship building process Do you think that the setting of a PR department may be helpful for the ISP provider? Why?
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