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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 is NETBIOS and NETBEUI in Networking? NETBIOS is a programming interface that permits I/O requests to be sent to and received from a remote computer and it keeps the netwo
Question 1 Differentiate LAN and WAN Question 2 Explain the TCP/IP Reference Model with diagram Question 3 Describe Circuit switching and message switching Question
The application layer This layer enables users to access the network by providing a few services to the user some of the protocols and services available to the user ar
Q. What is Manchester? - Utilizes an inversion at the middle of each bit interval for both synchronization and bit representation - Negative-to-positive represents binary 1
Synchronization Multiple processors need synchronization with each other while implementing a parallel algorithm. That is, the task running on processor X might have to wait fo
Question : a) In your view, what are the top three strengths and weaknesses of wireless systems? Rank them in order of priority. What can be done to address the weaknesses?
PING - Packet Internet Gopher A utility that shows connections to one or more remote hosts. The ping command uses the ICMP echo request and echo reply packets to verify whether
Discuss about the Software in detail Software contain a number of components such as SQL Server for database connectivity, Systems Management Server for easy Web management,
State the Steps to provide more computing power In order to provide more computing power, the following steps may be taken: Add more processing power by addition of more
what are the categories of LAN
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