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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?
The grouped SQL statements are known as Transactions (or) A transaction is a collection of actions embused with ACID properties.
Application of Satellite Communication started with the installation and commissioning of STD- “B” Earth Station having 11m diameter antenna in 1982, Initially with to only three
What are the disadvantages of Star Topology? The disadvantages are considered as follows: a. Needs more cable than most topologies. b. Moderately complex to install.
Switched Ethernet In switched networks a switch device identifies the destination address and routes the frame to the specific port to which the destination station is conn
How does the cut-through switching technique work? Ans) Cut-Through switching copies only the destination address which is the first 6 bytes after the =frame preamble into its b
Question: (a) In relation with a cellular network architecture, describe the following terms: (i) Clusters (ii) Pico cells (iii) Nano cells (iii) Cell breathing (b)
do you do paraphrase
Explain about the Integrating Intranet These Intranets are designed to replace the complexity of in-house communications and processing systems that large organisations ofte
Network Laye The network layer provides communication between the multiple networks. Whereas the data link layer provides the communication between two systems on the s
What is WAN? A wide area network is defines a LAN of LANs. WANs connect LANs that might be on opposite sides of a building, across the country or around the world. WANS
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