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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?
How do we continuously ping an IP Address?
Question 1 Write a note on a) Internet layer b) strict source routing Question 2 Explain the routing table of Solaris system Question 3 Explain following concepts a) MIM
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OpenMP is a compiler directive based standard developed in the late 1990s jointly by a group of main computer hardware and software vendors. It is portable across a lot of popular
What is Error Control ? Error control is both error detection and error correction. It allows the receiver to inform the sender of any frames lost or damaged in transmission an
Router(config)# interface serial1/0
What is routing region? When hierarchical routing is used, the routers are separated into what we call regions, with each router knowing all the details about how to route pack
Importace of Clientsin intranet server The most interesting thing is that almost every computer can be connected as a client to the Intranet server. The client could be based
What is Frequency borrowing In the simplest case, frequencies are taken from adjacent cells by congested cells. The frequencies can also be assigned to cells dynamically.
Q. Explain about Flow Control? - Signifies to ask the transmitter to stop/resume sending in data - Required when DTE to DCE speed > DCE to DCE speed - (Exampl
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