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a. If a password to a cipher is exactly 8 characters long, and each character can be selected from [0-9], [a-z], and [A-Z], how many different passwords are possible?
b. Suppose a system requires passwords be 8 characters long, include at least one capital letter, at least one digit and at least one character from the set of 5 special characters { !,#,%,&,*} . What advantage does this provide an attacker who is trying to guess a password?
What are the different technologies involved in establishing WAN links? Analog connections - using conventional telephone lines; Digital connections - using digital-grade telep
It is possible for a datagram to generate ICMP errors after it has been fragmented. For example, suppose that each of two fragments cannot be delivered. Seemingly, this would mean
Bridges - Operate in both physical and data link layers - Utilized to divide a network into smaller segments - May as well relay frames between separate LANs - Keeps t
DNS Working While discussing about the working of the DNS, there are many things which need to consider and play Avery significant role. This can the type of communication bet
FDDI, Token Ring and Ethernet are all physical layer framing standards.
Q. Show the TCP/IP and OSI Similarities? TCP/IP and OSI Similarities - Both have Layers - Both have Application Layers - Have Comparable Transport and Network Layer
i need help with this assigmnet reply asap please
Plot way forms for the following modulation schemes using Mathlab: a) 2 ASK 4 ASK b) BFSK 4 FSK c) BPSK 4
How Firewall configuration makes all the difference The greatest blunder that any company make is to just install a firewall and think that they have ensured perfect securit
Determine the term- Web Server and Webmaster Web Server: A host computer that stores Web pages and responds to requests for viewing. Web servers communicate with Web browse
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