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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?
Compare Error Detection and Error Correction: The correction of errors is more difficult than the detection. In error detection, checks only any error has happened. In error co
What is a Management Information Base (MIB)? A Management Information Base is part of each SNMP-managed device. Every SNMP agent has the MIB database that having information ab
Shared variable programme structures In this section, we talk about some more concepts related to the shared programme. Concept of Lock Locks are used for protected a
Q. TCP – numbering bytes? Numbering is utilized for flow & error control Segments aren't numbered only bytes Full-duplex connection - numbering is independent in
INDEPENDENT Loops HPF gives additional opportunities for parallel implementation by using the INDEPENDENT directive to assert that the iterations of a do-loop can be done indep
Illustrate a traffic light is an example of what type of mechanism Ans) A Traffic light is an example of flow control.
Unguided Media: Wireless - A Wireless communication transporting electromagnetic waves without a physical conductor Wireless Propagation Methods - Ground - radio
What is redirector? Redirector is software that intercepts file or prints I/O requests and changes them into network requests. This comes under presentation layer.
Q. Illustrate Transport Layer Responsibilities ? - Process-to-process delivery of whole message - Port addressing - Segmentation and reassembly - Connection control co
State about the Cell sectoring With cell sectoring, a cell is separated into a number of wedge-shaped sectors, each with its own set of channels, typically 3 or 6 sectors per c
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