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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?
Q. Explain about Star Backbone network? - Collapsed or switched backbone - Backbone is just one switch that connects LANs - Utilized as distribution backbone inside a bui
There are two types of ends in WAN (1)DTE (DATA TERMINAL EQUIPMENT) (2)DCE(DATA COMMUNICATION EQUIPMENT)
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
Private Networks The information routes from one networks to another network through a leased line. If an organization needs privacy can use a private networks or networ
Client Server Architecture There is an always on host called server which provides service requests to many other hosts called clients. In other words client progra
restore the scrambled bits to their original order
If a client gives a 4096-byte request to a server located 50 km away on a 1 Gbps fiber optic, then what is the efficiency of the line during this time? Suppose that the server give
Question: With Vout not connected to any additional circuitry, what power is dissipated in the 7 kW resistor?
In case of any new event switch do broadcast, after that always do Unicast.
Categorization according to kind of instruction and data According to types of instruction and data subsequent types are identified under this classification: Scalar Pi
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