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RRB Main & ECGC PO Computer Awareness Test 78
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RRB Main & ECGC PO Computer Awareness Test 78
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  • Question 1/5
    1 / -0
    A set of step-by-step procedures for accomplishing a task is known as a(n) ______.
    Solutions
    An algorithm is an effective method that can be expressed within a finite amount of space and time and in a well-defined formal language for calculating a function.
  • Question 2/5
    1 / -0
    What is a Firewall in Computer Network?
    Solutions
    Firewalls are frequently used to prevent unauthorized Internet users from accessing private networks connected to the Internet, especially intranets.
  • Question 3/5
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    ________is the science and art of transforming messages to make them secure and immune to attacks.
    Solutions
    Cryptographyis the science of providing security for information. It has been used historically as a means of providing secure communication between individuals, government agencies and military forces. Today, cryptography is a cornerstone of the modern security technologies used to protect information and resources on both open and closed networks.
  • Question 4/5
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    The two broad categories of software are?
    Solutions
    Software is divided into two broad categories systems software and application software.
  • Question 5/5
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    What type of virus uses computers hosts to reproduce itself?
    Solutions
    • A worm is a small piece of software that uses security holes within networks to replicate itself.
    • The worm scans the networks for another computer that has a specific security hole. It copies itself to the new machine exploiting the security hole and then starts replicating from that system as well.
    • Once infected, the worm may send itself to everyone in your address book. Using a network in this manner, worms expand extremely quickly.
    • The greatest danger from worms is that they will eventually use all the memory available to a computer network.
    So, option A is the correct answer.
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